SlideShare a Scribd company logo
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  1
DB‡ÛvR 2000/G·wc, wjbv·
KgwúDUvi †bUIqvwK©s
†÷c evB †÷c
iPbv
†K Gg Avjx †iRv
weGmwm Abvm© (dv÷© K¬vm) GgGmwm (dv÷© K¬vm)
dwjZ c`v_©we`¨v I B‡jKUªwb·, XvKv wek¦we`¨vjq|
wmm&‡UK cvewj‡KkÝ
evsjvevRvi eyK GÛ KgwcDUvi Kg‡cø·
38/3, evsjvevRvi, XvKv-1100|
w
w
w
.fb.com
/tanbir.cox
www.facebook.com/tanbir.cox
2  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
KgwcDUvi †bUIqvwK©s †÷c evB †÷c
cÖKvkK : gvneyeyi ingvb
¯^Z¡vwaKvix
wmm&‡UK cvewj‡KkÝ
eY© web¨vm : mvnbvR cvifxb myBwU
wPÎ A¼b I
eY© m¾v : Avwidzi ingvb †ejvj
cÖ”Q` : gvneyeyi ingvb
cÖ_g cÖKvk : †g 2004
g~j¨ : 45.00 UvKv|
Computer Networking: Step by Step, by K M Ali Reza, Published by
Mahabubur Rahman, Proprietor Systech Publications, 38/3 Banglabazar,
Dhaka-1100, Bangladesh, Price Tk: 45.00 only.
E-mail:it-com@bijoy.net, kazisham@yahoo.com
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  3
m~wPcÎ
†bUIqvwK©s Gi †gŠwjK welqvw`
Kw¤úDUvi †bUIqvK© (Computer Network) wK? ................................................. 7
Kw¤úDUvi †bUIqvwK©s †_‡K cÖvß myweavw`............................................................ 7
Kw¤úDUvi †bUIqv‡K©i e¨envi (Use of Network) .............................................. 8
Z_¨ wewbgq (Information Sharing) ..................................................................... 8
nvW©Iq¨vi wi‡mvm© †kqvwis .............................................................................. 8
mdUIq¨vi wi‡mvm© †kqvwis ............................................................................. 9
Z_¨ msiÿY ............................................................................................... 9
Z_¨ myiÿv ................................................................................................. 9
evZ©v ev †g‡mm Av`vb-cÖ`vb ........................................................................... 9
†bUIqvK©-Gi †gvwjK †kªYxwefvM ....................................................................10
K¬v‡q›U-mvf©vi (Client-Server) †bUIqvK© .........................................................10
wcqvi-Uz-wcqvi (Peer to Peer) †bUIqvK© .........................................................10
wgkª ev nvBweªW (Hybrid) †bUIqvK© .................................................................11
†jvKvj Gwiqv †bUIqvK© ev j¨vb......................................................................11
†g‡UªvcwjUb Gwiqv †bUIqvK© .........................................................................12
IqvBW Gwiqv †bUIqvK© ...............................................................................12
Kw¤úDUvi †bUIqv‡K©i Dcv`vbmg~n..................................................................12
†bUIqvK© B›Uvi‡dm KvW© ev wbK ....................................................................12
wiwcUvi (Repeater) ...................................................................................12
weªR (Bridge) .......................................................................................... 13
ivDUvi (Router) .......................................................................................14
eªvDUvi (Brouter) ......................................................................................14
†MUI‡q (Gateway) ...................................................................................15
nve (Hub) ...............................................................................................16
UªvÝwgkb gva¨g (Transmission Media)..........................................................16
K¨vej Kv‡bKUim (Cable Connectors) ..........................................................16
†bUIqvK© mdU&Iq¨vi (Network Software) .....................................................16
†cÖv‡UvKj wWfvBm WªvBfvi ............................................................................16
eûj e¨eüZ †bUIqvK© †cÖv‡UvKj................................................................... 17
†bUIqvK© U‡cvjRx ..................................................................................... 18
evm......................................................................................................... 18
evm U‡cvjwR e¨env‡ii myweav........................................................................ 18
evm U‡cvjwR e¨env‡ii Amyweav ......................................................................19
÷vi (Star) ...............................................................................................19
÷vi U‡cvjwR e¨env‡ii myweav........................................................................19
÷vi U‡cvjwR e¨env‡ii Amyweav ................................................................... 20
w
w
w
.fb.com
/tanbir.cox
4  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wis (Ring)............................................................................................... 20
wis U‡cvjRx e¨env‡ii myweav......................................................................... 20
wis U‡cvjwR e¨env‡ii Amyweav ..................................................................... 20
†bUIqvK© nvW©Iq¨vi I K¨vewjs
†bUIqvK© B›Uvi‡dm KvW© ev wbK ....................................................................21
†bUIqvK© KvW© ms‡hvRb .............................................................................. 22
†bUIqvK© KvW© †mUAvc mdUIq¨vi e¨envi ....................................................... 24
g¨vK G‡Wªm (MAC Address) ...................................................................... 26
wbK Bb÷‡jkb (NIC Installation)............................................................... 28
†bUIqvK© Kv‡bKwUwfwU wWfvBmg~n .................................................................. 28
wiwcUvi Ges nve (Repeater and Hub) .......................................................... 29
nve (Hub) ............................................................................................... 29
nve Ges myBP-Gi g‡a¨ cv_©K¨....................................................................... 30
eªxR Ges ivDUvi (Bridge and Router) .......................................................... 30
eªxR (Bridge)........................................................................................... 31
ivDUvi (Router)....................................................................................... 31
ivDUvi KbwdMv‡ikb................................................................................... 32
֬vwUK ivDwUs (Static Routing).................................................................. 32
†MUI‡q (Gateway)................................................................................... 32
eªvDUvi (Brouter) ..................................................................................... 34
†bUIqvK© wgwWqv (Network Media)............................................................... 34
K¨vej gva¨‡gi cÖKvi‡f` (Types of Cable Media).......................................... 35
UzB‡÷W †cq¨vi K¨vej (Twisted Pair Cable) ................................................. 35
BDwUwc (UTP) K¨vej................................................................................. 35
GmwUwc (STP) K¨vej................................................................................. 37
†Kv-Gw·qvj (Co-axial) K¨vej..................................................................... 38
dvBevi AcwUK (Fiber Optic) K¨vej............................................................. 40
K¨vej Kv‡bKUim (Cable Connectors)...........................................................41
AcwUK¨vj dvBevi Kv‡bKUim (Optical Fiber Connectors)................................ 42
myBP Ges ivDUv‡ii Gi Rb¨ K¨vewjs............................................................... 43
†ivjIfvi K¨vej ....................................................................................... 43
B_vi‡bU †cvU© wfwËK K¨vewjs........................................................................ 44
†bUIqvK© †mUAvc I KbwdMv‡ikb
†bUIqvK© †mUAvc cÖ¯‘wZ.............................................................................. 46
wUwmwc/AvBwc KbwdMv‡ikb .......................................................................... 47
DB‡ÛvR G·wc-†Z †bUIqvK© †mUAvc cÖwµqv.................................................... 62
†nvg ev ¯§j Awdm Gi Rb¨ †bUIqvK© †mUAvc DBRvW© ....................................... 72
DB‡ÛvR G·wc‡Z B›Uvi‡bU ms‡hvM c×wZ........................................................ 78
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  5
†bUIqvwK©s Gi †gŠwjK welqvw`
Networking Fundamentals
Kw¤úDUvi †bUIqvK© (Computer Network) wK?
Kw¤úDUvi †bUIqvK© n‡”Q GK`j AvšÍtmshy³ (Interconnected) Kw¤úDUvi I mswkøó
wWfvBm hviv Lye mn‡R wb‡R‡`i g‡a¨ Z_¨ wewbgq Ges wi‡mvm© (Resource) †kqvi Ki‡Z
cv‡i| †bUIqv‡K© †h mKj nvW©Iq¨vi wi‡mvm© Lye †ewk cwigv‡Y e¨eüZ nq Zv n‡jv wcÖ›Uvi,
d¨v· g‡Wg, ¯‹¨vbvi Ges †÷v‡iR wWfvBm (†hgb nvW©wW¯‹, wmwW ev K¤ú¨v± wW¯‹), †cøvUvi
(Plotter) BZ¨vw`|
Aciw`‡K ÷¨vÛ-G¨v‡jvb (Stand alone) ev GKK Kw¤úDUvi ej‡Z †bUIqvK©fy³ bq
Ggb †Kvb Kw¤úDUvi‡K ejv nq ÷¨vÛ-G¨v‡jvb Kw¤úDUvi| ÷¨vÛ G¨v‡jvb Kw¤úDUvi‡K
cÖ‡mmK…Z WvUv, MÖvwd· ev WKz‡g›U‡K A‡b¨i mv‡_ †kqvi Ki‡Z n‡j Zv wcÖ›Uv‡i wcÖ›U
Ki‡Z n‡e ev d¬wc wW‡¯‹ Kwc K‡i wb‡Z n‡e| †bUIqvwK©s-Gi †ÿ‡Î Gme Z_¨ ev WKz‡g›U
†kqvwis-Gi KvR¸‡jv Kw¤úDUvi wbR †_‡K K‡i| †bUIqvK© e¨enviKvix ev BDRvi‡K wbR
`vwq‡Z¡ GB Z_¨¸‡jv‡K gyf Ki‡Z nq bv|
Kw¤úDUvi †bUIqvwK©s †_‡K cÖvß myweavw`t Kw¤úDUvi †bUIqv‡K©i ga¨gwY n‡”Q
Kw¤úDUvi ev wcwm| ejvevûj¨ m¤cÖwZ eQi¸‡jv‡Z Z_¨cÖhyw³ µgvš^‡q evo‡Z evo‡Z †h
gnxiæ‡n cwiYZ n‡q‡Q Zv g~jZt GB Kw¤úDUv‡ii Ae`vb| eZ©gv‡b Z_¨ aviY I evn‡b
Kw¤úDUv‡ii †Kvb weKí †bB| Kw¤úDUv‡ii mv‡_ h_vh_ mdUIq¨v‡ii mgš^q NwU‡q Z_¨
cÖ‡mm (Process) Kiv nq| Avi GB cÖ‡mmK…Z Z‡_¨i Aeva cÖevn Ges e¨enviKvix‡`i
wbKU Gi mnRjf¨Zv †h‡Kvb cÖwZôv‡bi Drcv`bkxjZv (Productivity) eû¸Y evwo‡q
w
w
w
.fb.com
/tanbir.cox
6  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†`q| Lye mvaviYfv‡e hw` ewj Zv n‡j GKwU Kw¤úDUvi †Kvb cÖwZôv‡b wbæewY©Z myweavewj
cÖ`vb K‡i _v‡K t
 IqvW© cÖ‡mwms (Word Processing)
 MÖvwd· wWRvBb (Graphics Design)
 wmgy¨‡jkb (Simulation)
 GKvDw›Us (Accounting)
 wbD‡gwiK G¨vbvjvBwmm (Numeric Analysis)
 WvUv‡eR (Database)
 Bb‡fbUwi UªvwKs (Inventory Tracking)
Kw¤úDUvi †bUIqv‡K©i e¨envi (Use of Network) t
eZ©gv‡b Kw¤úDUvi †bUIqv‡K©i e¨env‡ii †ÿÎ †ek cÖmvwiZ| w`b w`b Gi e¨envi I
Kvh©KvwiZv Av‡iv m¤cÖmvwiZ n‡”Q| Kw¤úDUvi †bUIqvK© e¨env‡ii Ggb wKQy †ÿÎ wb‡P
Zz‡j aiv n‡jv t
K) Z_¨ wewbgq (Information Sharing) t e¨emvwqK cÖwZôv‡b nq‡Zv me ai‡bi Z_¨
wewbgq ev †kqvi Kiv wbivc` bq| Z‡e †bUIqvK© e¨eüZ nq Ggb cÖwZôvbmg~n wbæewY©Z
Z_¨vewj GKwU †K›`ªxq mvf©v‡i ¯’vcb K‡i Ges Zv wbqwš¿Z Dcv‡q K¬v‡q›U‡`i e¨env‡ii
Rb¨ †kqvi K‡i t
 Bb‡fbUwi (Inventory)
 †Kv¤úvwb †jUvi‡nW ev †jUvi ÷vBj (Company Letterhead or Letter
Style)
 †mjm KbUv± Bbdi‡gkb (Sales Contact Information)
 cÖwmwWDi g¨vbyqvj (Procedure Manual)
 dvBb¨vbwmqvj †iKW© (Financial Records)
 Kg©Pvixi †iKW© (Employee Records)
 †Kv¤úvwb †g‡gvm (Company Memos)
L) nvW©Iq¨vi wi‡mvm© †kqvwis (Hardware Resource Sharing) t aiæb, GKwU
Awd‡m 10wU Kw¤úDUvi I GKwU wcÖ›Uvi Av‡Q| Kw¤úDUvi¸‡jv I wcÖ›UviwU †bUIqvK©fy³
bq| GKgvÎ wcÖ›UviwU ïay GKwU Kw¤úDUv‡ii mv‡_ mivmwi hy³| GgZe¯’vq evwK
Kw¤úDUvi hviv wcÖ›Uv‡ii mv‡_ hy³ bq Zv‡`i †Kvb WKz‡g›U wcÖ›U Ki‡Z n‡j nq| d¬wc
wW‡· K‡i wcÖ›Uvi mshy³ Kw¤úDUv‡i wb‡q Avm‡Z n‡e A_ev wcÖ›UviwU mwi‡q wb‡q H
Kw¤úDUv‡ii mv‡_ hy³ Ki‡Z n‡e| WKz‡g›U wcÖ›U Kivi Rb¨ GB `y‡Uv cÖwµqvB †ek
Sv‡gjvc~Y© Zv GB D`vniY †_‡K †ek cwi®‹vi|DcwiD³ mgm¨vi GKgvÎ mgvavb n‡”Q
Kw¤úDUvi¸‡jv Ges wcÖ›Uvi‡K GKwU †jvKvj Gwiqv †bUIqv‡K©i AvIZvq wb‡q Avmv|
†bUIqvK©fy³ n‡j †h‡Kvb Kw¤úDUvi †_‡K Abvqv‡m H GKwU gvÎ wcÖ›Uv‡i wcÖ›U Re
cvVv‡bv m¤¢e| A_©vr wcÖ›UviwU G‡ÿ‡Î GKwU †kqviK…Z nvW©Iq¨vi wi‡mvm©| Gai‡bi Av‡iv
†kqvi‡hvM¨ †hmKj nvW©Iq¨vi wi‡mvm© Av‡Q Zv‡`i g‡a¨ ¯‹¨vbvi, †cøUvi, nvW© wW¯‹ †¯úm
Ges g‡Wg D‡jøL‡hvM¨|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  7
M) mdUIq¨vi wi‡mvm© †kqvwis (Software Resource Sharing) t hLb †Kvb
cÖwZôv‡bi †bUIqv‡K© †K›`ªxqfv‡e mdUIq¨vi Bb÷j I KbwdMvi Kiv nq, ZLb H
mdUIq¨vi ev †cÖvMÖvg cy‡iv cÖwZôv‡bi Ab¨vb¨ K¬v‡q›U‡`i Rb¨ e¨envi‡hvM¨ wi‡mvm© n‡q
hvq| GB cÖwµqvq †bUIqvK© GWwgwb‡÷ªU‡ii Rb¨ mdUIq¨vi Bb÷j I iÿYv‡eÿ‡Yi
IqvK©‡jvW (Workload) A‡bKLvwb K‡g Av‡m|
N) Z_¨ msiÿY (Information Preservation) t †bUIqvwK©s-Gi d‡j GKwU †K›`ªxq
†÷v‡iR wgwWqv ev mvf©v‡i mKj K¬v‡q›U hveZxq Z_¨ msiÿY Ki‡Z cv‡ib ev e¨vKAvc
(Backup) wb‡Z cv‡ib| †K›`ªxq wbf©i‡hvM¨ †÷v‡iR wgwWqv‡Z WvUv msiÿ‡Yi d‡j
¸iæZ¡c~Y© WvUvi nVvr K‡i webó n‡q hvevi m¤¢vebv A‡bKLvwb K‡g Av‡m| †Kvb ÷¨vÛ-
G¨v‡jvb ev †bUIqvK© †_‡K wew”Qbœ Kw¤úDUvi †_‡K WvUv e¨vKAvc †bqv GKwU KwVb
e¨vcvi| wKš‘ †bUIqv‡K©i GKwU †K›`ªxq wW‡· wbqwgZ WvUv e¨vKAvc †bqv eûjvs‡k mnR
Ges Sv‡gjvgy³|
O) Z_¨ myiÿv (Information Protection) t †bUIqvK© wfwËK Kw¤úDwUs-G cÖwZwU
BDRvi ev e¨enviKvixi AbyK~‡j GKwU ¯^Zš¿ bvg I cvmIqvW© eivÏ †`qv nq| BDRvi hw`
H †bUIqv‡K©i wi‡mvm© e¨envi Ki‡Z Pvq Zv n‡j Aek¨B Zv‡K GB eivÏK…Z bvg I
cvmIqvW© wbf©yjfv‡e e¨envi Ki‡Z n‡e| d‡j †bUIqvK© e¨env‡i Aby‡gvw`Z Ggb †KD
B‡”Q Ki‡jB msiwÿZ WvUvi bvMvj †c‡q hv‡e bv|
P) evZ©v ev †g‡mm Av`vb-cÖ`vb (Exchanging Message) t Awd‡mi g‡a¨ GK¯’vb
†_‡K Ab¨¯’v‡b KvM‡R Kj‡g †Kvb Z_¨ ev WKz‡g›U ev evZ©v Av`vb-cÖ`vb GKw`‡K †hgb
mgq mv‡cÿ Ab¨ w`‡K GwU e¨qeûjI e‡U| †bUIqvK©fy³ K¬v‡q›U G‡K Ac‡ii mv‡_
B‡jKUªwbK †gBj ev B-†gBj AvKv‡i WKz‡g›U †jb‡`b Ges ZvrÿwYK evZ©v (Instant
Message) wewbgq Ki‡Z cv‡i Lye mn‡RB| GB cÖwµqvq Awd‡mi Kv‡R Av‡m `ªæZZv Ges
GiB mv‡_ WKz‡g›U ev evZ©vi wbivcËvi M¨vivw›UI _v‡K kZKiv GKkZ fvM|
w
w
w
.fb.com
/tanbir.cox
8  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†bUIqvK©-Gi †gvwjK †kªYxwefvM (Basic Type of Network)
†bUIqv‡K©i wbqš¿Y KvVv‡gv Ges mvw©f©m cÖ`v‡bi ai‡bi Dci wfwË K‡i †bUIqvK©‡K
cÖavbZt wZbfv‡M fvM Kiv hvq| h_v (K) K¬v‡q›U-mvf©vi †bUIqvK© (L) wcqvi-Uz-wcqvi
†bUIqvK© I (M) wgkª ev nvBweªW †bUIqvK©|
(K) K¬v‡q›U-mvf©vi (Client-Server) †bUIqvK© t Gai‡bi †bUIqv‡K©i ga¨gwY n‡”Q
GK ev GKvwaK †WwW‡K‡UW mvf©vi| GB †WwW‡K‡UW mvf©vi K¬v‡q›U wcwmi Rb¨ cÖ‡qvRbxq
mvwf©m cÖ`vb K‡i| mvwf©mmg~‡ni AvIZvq cÖavYZ hv _v‡K Zv n‡jv dvBj, wcÖ›U †g‡mR,
WvUv‡eR, G¨vwcø‡Kkb BZ¨vw`|
†h †K›`ªxq mvf©v‡i K¬v‡q›U ev BDRviiv cÖ‡qvRbxq Z_¨vewj msiÿY K‡i Zv‡K ejv nq
mvf©vi | †h mKj Kw¤úDUvi GB msiwÿZ Z_¨vewj Zvi cÖ‡qvR‡b e¨envi K‡i Zv‡K ejv
nq K¬v‡q›U| mvf©vi Kw¤úDUvi K¬v‡q›U Kw¤úDUv‡ii Zzjbvq AwaK kw³kvjx n‡q _v‡K Ges
G‡K mwµq ivL‡Z we‡kl ai‡bi mdUIq¨vi e¨envi Ki‡Z nq| eZ©gv‡b e¨eüZ n‡”Q G
ai‡bi mvf©vi Ges K¬v‡q‡›Ui GKwU Zzjbvg~jK wPÎ wb‡Pi †Uwe‡j Zz‡j aiv n‡jv | D‡jøL¨,
mg‡qi mv‡_ mv‡_ GB †¯úwmwd‡Kkb cwieZ©b n‡Z cv‡i|
K‡¤úv‡b›U K¬v‡q›U mvf©vi
1. cÖ‡mmi (Processor) B‡›Uj 486 ev Z`~aŸ© †cw›Uqvg
2. wWm‡cø (Display) wfwRG ev Gi †P‡q DbœZ wfwRG ev Gi †P‡q DbœZ
3. nvW© wW· †¯úm
(Hard Disk Space)
Kgc‡ÿ 50 †gMvevBU Kgc‡ÿ 90 †gMvevBU
4. †g‡gvwi (Memory) Kgc‡ÿ 8 †gMvevBU Kgc‡ÿ 16 †gMvevBU
(L) wcqvi-Uz-wcqvi (Peer to Peer) †bUIqvK© t GB cÖKv‡ii †bUIqv‡K© cªwZwU wcwm
wi‡mvm© (Resource) †kqvwis-Gi †ÿ‡Î mgvb f~wgKv cvjb K‡i _v‡K| GLv‡b †Kvb
†WwW‡K‡UW mvf©vi _v‡K bv, d‡j wcwm¸‡jvi g‡a¨ ¸iæ‡Z¡i w`K †_‡K †Kvb †k&ªYx web¨vmI
†bB GLv‡b| cÖwZwU c„_K wcwm Zvi WvUvi wbivcËv weav‡b wb‡RB `vqx _v‡K| wcwmi
e¨enviKvix G‡ÿ‡Î wba©viY K‡i †`b Zvi †Kvb dvBj ev WvUv †bUIqv‡K© Ab¨vb¨‡`i
e¨env‡ii Rb¨ Db¥y³ _vK‡e|
 wcqvi Uz wcqvi †bUIqvK© †QvU IqvK©MÖæ‡ci Rb¨ AZ¨šÍ Dc‡hvMx| G‡Z
†WwW‡K‡UW mvf©vi Abycw¯’Z| G ai‡Yi †bUIqv‡K© ‡kqviW wi‡mvm©mg~‡ni ev WvUvi
wbivcËv AZ¨šÍ mxwgZ| K¬v‡q›U Kw¤úDUviB mvf©vi wn‡m‡e KvR K‡i _v‡K|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  9
wPÎ t wcqvi-Uz-wcqvi †bUIqv‡K©i GKwU D`vniY
(M) wgkª ev nvBweªW (Hybrid) †bUIqvK© t wgkª ev nvBweªW †bUIqvK© g~jZt K¬v‡q›U
mvf©vi I wcqvi-Uz-wcqvi †bUIqv‡K©i GKwU mgš^q| mvaviYZt nvBweªW †bUIqv‡K© K¬v‡q›U
mvf©vi As‡ki cÖvavb¨ _v‡K| Z‡e Gi cvkvcvwk GLv‡b ¯^í we¯Ív‡i wcqvi-Uz-wcqvi
†bUIqv‡K©i Ask †Rvov †`qv n‡q _v‡K|
AvKvi ev AvK…wZ Ges we¯Í…wZi Dci Kw¤úDUvi †bUIqvK© wb‡æv³fv‡e fvM
Kiv nq t
K) †jvKvj Gwiqv †bUIqvK© ev j¨vb (LAN- Local Area Network) t GKwU wbw`©ó
feb ev K¨v¤úv‡m hw` GK`j Kw¤úDUvi †bUIqvK©fy³ nq Zvn‡j †mwU j¨vb bv‡g cwiwPZ
n‡e| j¨v‡bi Aax‡b †Kvb GKwU fe‡bi GKB Zvjvq Aew¯’Z me¸‡jv Kw¤úDUvi _vK‡Z
cv‡i A_ev †Kvb GKwU †Kv¤úvwbi GKB fe‡bi KvQvKvwQ
wPÎ t Lye mvaviY cÖK…wZi GKwU j¨vb †hLv‡b KwZcq Kw¤úDUvi gvÎ hy³ n‡q‡Q|
w
w
w
.fb.com
/tanbir.cox
10  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†d¬v‡ii Kw¤úDUvi¸‡jv j¨vbfy³ n‡Z cv‡i| Z‡e G‡ÿ‡Î GKwU wbw`©©ó `~i‡Z¡i g‡a¨
Kw¤úDUvi¸‡jv‡K _vK‡Z n‡e|
L) †g‡UªvcwjUb Gwiqv †bUIqvK© (MAN- Metropoliton Area Network)t g¨vb ev
†g‡UªvcwjUb Gwiqv †bUIqvK© n‡”Q KZK¸‡jv j¨vb †bUIqv‡K©i mgš^q hv GKwU cy‡iv kni
ev eo AvKv‡ii †Kvb GjvKve¨vcx we¯Í…Z|
M) IqvBW Gwiqv †bUIqvK© (WAN- Wide Area Network) t Iqvb ev IqvBW
Gwiqv †bUIqvK© n‡”Q KZK¸‡jv Kw¤úDUvi ev j¨v‡bi †bUIqvK© hviv wewfbœ `~i‡Z¡
Aew¯’Z| Iqv‡bi AvIZvq Kw¤úDUvi¸‡jv †Kej GKwU kn‡iB mxgve× _vK‡Z cv‡i A_ev
G¸‡jv we‡k¦i wewfbœ cÖv‡šÍ Qwo‡q wQwU‡qI _vK‡Z cv‡i| Z‡e Iqv‡bi cy‡iv welqwU wbf©i
Ki‡Q wdwRK¨vj jvBb, dvBevi AcwUK K¨vej, m¨v‡UjvBU UªvÝwgkb,Ges gvB‡µvI‡qf
UªvÝwgk‡bi Dci|
Kw¤úDUvi †bUIqv‡K©i Dcv`vbmg~n t
(Components of a Computer Network)
GKwU Kw¤úDUvi †bUIqvK© M‡o Zzj‡Z n‡j Kw¤úDUv‡ii evB‡iI Av‡iv KZK¸‡jv
AZ¨vek¨Kxq Dcv`vb (nvW©Iq¨vi wWfvBm Ges mdU&Iq¨vi) cÖ‡qvRb nq| †Kvb †bUIqv‡K©
wK wK Dcv`vb ev K‡¤úv‡b›U cÖ‡qvRb n‡e Zv cy‡ivcywi wbf©i Ki‡Q Zv H †bUIqv‡K©i aib
Ges we¯Z…wZi Dci| GLv‡b mPivPi e¨eüZ n‡”Q Ggb Dcv`vb¸‡jv D‡jøL Kiv n‡jv |
G‡`i wel‡q cieZx© Aa¨v‡q we¯ÍvwiZ Av‡jvPbv Kiv n‡e|
K) †bUIqvK© B›Uvi‡dm KvW© ev wbK (NIC-Network Interface Card)t
†bUIqvK© B›Uvi‡dm KvW©‡K (Gi D”PviY n‡e wbK (nick)) wewfbœ bv‡g WvKv n‡q _v‡K|
†bUIqvK© B›Uvi‡dm KvW©, †bUIqvK© KvW© ev †bUIqvK©© GWvÞvi bv‡g GwU me©vwaK
cwiwPZ| B›Uvi‡dm KvW© n‡”Q Ggb GKwU nvW©Iq¨vi hv GKwU wcwm ev Kw¤úDUv‡i ¯’vcb ev
Bb÷j Kiv nq Ab¨ Kw¤úDUv‡ii mv‡_ G‡K mshy³ Kivi Kv‡R| †bUIqvK© GWvÞvi KvW©
g~jZt wWwRUvj AvKv‡i WvUv GK Kw¤úDUvi †_‡K Ab¨ Kw¤úDUv‡i †jb‡`b K‡i _v‡K|
L) wiwcUvi (Repeater) t †bUIqv‡K© UªvÝwgkb wgwWqvi ga¨ w`‡q hLb †Kvb
B‡jK‡Uªvg¨vM‡bwUK I‡qe ev wmMb¨vj Pj‡Z _v‡K ZLb wgwWqv GB wmMb¨vj‡K `ye©j K‡i
†d‡j| wmMb¨vj `ye©j n‡q covq GB welqwU‡K ejv nq GwUwbD‡qkb (Attenuation) |
D‡jøL¨ G GwUwbD‡qkbB wKš‘ wgwWqvi ga¨ w`‡q wmMb¨vj AwZµg‡hvM¨ `~i‡Z¡i Dci jvMvg
†U‡b †`q|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  11
M) weªR (Bridge) t bb-ivDU¨vej †cÖv‡UvK‡ji †ÿ‡Î wmMb¨vj‡K GK †mM‡g›U †_‡K
Ab¨ †mM‡g›U cvVv‡Z weªR e¨eüZ nq| weªR mvaviYZ †QvU AvKv‡ii †bUIqv‡K©i Rb¨ LyeB
Kvh©Kix GKwU Kv‡bKwUwfwU wWfvBm| bb-ivDU¨vej †cÖv‡UvKj n‡”Q hv GK †bUIqvK© †_‡K
Ab¨ †bUIqvK© †mM‡g‡›U WvUv †cÖiY Ki‡Z cv‡i bv|
w
w
w
.fb.com
/tanbir.cox
12  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
N) ivDUvi (Router) t `yB ev Z‡ZvwaK jwRK¨vj (Logical) c„_K Ggb †bUIqvK©‡K
mshy³ Ki‡Z ivDUvi jwRK¨vj I wdwRK¨vj G¨v‡Wªwms c×wZ e¨envi K‡i _v‡K| ivDUvi
ms‡hvM cÖ`v‡bi KvRwU mgvav K‡i _v‡K eo eo †bUIqvK©‡K †QvU †QvU jwRK¨vj †bUIqvK©
†mM‡g‡›U AM©vbvBR Kivi gva¨‡g| GB cÖwZwU †QvU †bUIqvK© †mM‡g›U‡K ejv nq
mve‡bUIqvK© (Subnetwork) ev mve‡bU (Subnet) | ivDUvi Avevi cÖwZwU mve‡b‡Ui
wecix‡Z GKwU K‡i jwRK¨vj G¨v‡Wªm eivÏ w`‡q _v‡K|
O) eªvDUvi (Brouter) t Lye mnRfv‡e ej‡Z †M‡j eªvDUvi n‡”Q ivDUvi I weª‡Ri
mgwó | A_©vr eªvDUvi = ivDUvi + weªR| eªvDUvi e¨env‡ii cÖavb myweav n‡”Q Gi gva¨‡g
†h‡Kvb †cÖv‡UvKj ivDwUs Kiv hvq| D`vniY¯^iƒc eªvDUv‡i AvBwc (IP) ivDUvi Ask
e¨envi Ki‡e| Ab¨w`‡K bb-ivDU¨vej †cÖv‡UvKj †bUeyB (NetBEUI) weªR Ask e¨envi
Ki‡e| GB B›Uvi‡bUIqvK© Dfq †cÖv‡UvKj e¨env‡ii myweav †`q| eªvDUvi g~jZt GKwU
mdU&Iq¨vi hv ivDUv‡ii Dci KvR K‡i|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  13
P) †MUI‡q (Gateway) t ivDUvi mdjfv‡e ïay H mg¯Í †bUIqvK©‡K mshy³ Ki‡Z
cv‡i hv‡`i †cÖv‡UvKj¸‡jv GKB c×wZ‡Z KvR K‡i| hw` †bUIqvK©mg~‡ni †cÖv‡UvKj¸‡jv
m¤ú~Y© wfbœ iK‡gi nq, Zv n‡j ivDUv‡ii †P‡qI AwaK kw³kvjx I eyw×gvb wWfvB‡mi
cÖ‡qvRb nq, Avi GB wWfvBmwU n‡”Q †MUI‡q|
NetOP Host Gateway Diagram
w
w
w
.fb.com
/tanbir.cox
14  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
Q) nve (Hub) t nve ev myBP n‡”Q †bUIqv‡K©i GKwU ¸iæZ¡c~Y© Ask hv ÷vi
U‡cvjwR‡Z GKwU †K›`ªxq wWfvBmU wn‡m‡e KvR K‡i| eZ©gv‡b nv‡ei cwie‡Z© †bUIqv‡K©
myBP e¨eüZ n‡”Q| myB‡Pi mv‡_ nv‡ei cÖavb cv_©K¨ n‡jv myBP wmMb¨vj wiwmf Kivi ci
Zv mivmwi Uv‡M©U †cvU© ev †cvU©mg~‡n †cÖiY K‡i _v‡K| wKš‘ nve wiwmf Kiv wmMb¨vj mKj
†cv‡U© B cvVvq, G‡ÿ‡Î Uv‡M©U †cvU© wmMb¨vj MªnY K‡i Ges Ab¨vb¨ †cvU© Zv AMªvn¨ K‡i
|
R) UªvÝwgkb gva¨g (Transmission Media) t hvi gva¨‡g GKwU †bUIqv‡K©i
Kw¤úDUvi¸‡jv G‡K Ac‡ii mv‡_ wdwRK¨vwj (Physically) mshy³ nq Zv‡K UªvÝwgkb
gva¨g e‡j| K¨vej (Cable) ev Zvi, †iwWI I‡qe, gvB‡µvI‡qe BZ¨vw` UªvÝwgkb
gva¨‡gi D`vniY|
S) K¨vej Kv‡bKUim (Cable Connectors) t Kv‡bKU‡ii Ae¯’vb n‡”Q K¨vej I
†bUIqvK© B›Uvi‡dm Kv‡W©i (NIC-Network Interface Card) g‡a¨ | A_©vr GwU
†bUIqv‡K©i K¨vej Ges GbAvBwm‡K mshy³ K‡i _v‡K|
T) †bUIqvK© mdU&Iq¨vi (Network Software) t mvaviYZ Acv‡iwUs wm‡÷gB
†bUIqvK© mdU&Iq¨vi wn‡m‡e KvR K‡i| †W¯‹Uc Acv‡iwUs wm‡÷‡gi (†hgb DB‡ÛvR
95/9/2000/G·wc) weë-Bb fv‡eB †bUIqvK© mÿg| Giv †Kvb cÖKvi `vgx mdUIq¨vi
Bb÷j Kiv QvovB Ab¨vb¨ wcwmÕi mv‡_ Z_¨vw` Av`vb-cÖ`vb Ki‡Z cv‡i| G ai‡bi
mdU&Iq¨vi‡K ejv nq †bUIqvK© Acv‡iwUs wm‡÷g ev bm (NOS-Network Operating
System)|
wcqvi-Uz-wcqvi †bUIqvK©‡K bm wn‡m‡e Acv‡iwUs wm‡÷gB h‡_ó| wKš‘ K¬v‡q›U/mvf©vi
†bUIqv‡K© mvf©vi mdUIq¨vi e¨env‡ii cÖ‡qvRb nq| mvf©vi mdUIq¨v‡ii D`vniY n‡”Q
DB‡ÛvR 2000 mvf©vi, DB‡ÛvR GbwU-4 mvf©vi BZ¨vw`| DB‡ÛvR wfwËK bm h_vh_fv‡e
KbwdMvi K‡i Ab¨vb¨ bb-DB‡ÛvR Acv‡iwUs wm‡÷g †hgb g¨vKIGm, BDwb·, wjbv‡·i
mv‡_ mn‡RB KwgDwb‡KU Ki‡Z cv‡i|
P) †cÖv‡UvKj wWfvBm WªvBfvi t GKwU †bUIqvK©‡K Kg©ÿg Kivi Rb¨ †bUIqvK© fvlv ev
†cÖv‡UvKj GKwU ¸iæZ¡c~Y© welq| †cÖv‡UvK‡ji gva¨‡gB †bUIqvK© WvUv GK cÖvšÍ †_‡K Ab¨
cÖv‡šÍ enb K‡i wb‡q hvq| †mU Av‡ci mgq Avcbv‡K GwU wbwðZ Ki‡Z n‡e †hb
†bUIqv‡K©i AvIZvfy³ cÖwZwU K¬v‡q›U Ges mvf©vi Kw¤úDUvi †hb Awfbœ ev K¤úvU¨vej
†cÖv‡UvKj WªvBfvi e¨envi K‡i| wm‡÷g hv‡Z GKm‡½ GKvwaK †cÖv‡UvKj mv‡cvU© Ki‡Z
cv‡i †mRb¨ Avcbv‡K cÖ‡qvRb‡ev‡a GKvwaK wm‡÷g mvwf©m (System Service) Bb÷j
Ki‡Z n‡Z cv‡i| Kw¤úDUvi †bUIqv‡K© eZ©gv‡b eûjfv‡e e¨eüZ n‡”Q †cÖv‡UvKjmg~n
n‡”Q †bUeyB, AvBwcG·/GmwcG· Ges wUwmwc/AvBwc| G‡`i wel‡q ciewZ©‡Z we¯ÍvwiZ
Av‡jvPbv Kiv n‡q‡Q|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  15
eûj e¨eüZ †bUIqvK© †cÖv‡UvKj t
(K) wUwmwc(TCP-Transmission Control Protocol)t wUwmwc †cÖv‡UvKj g~jZt
B›Uvi‡bU †cÖv‡UvKj my‡Ui Uªv݇cvU© (Transport) mvwf©m †cÖv‡UvKj wn‡m‡e KvR
K‡i|
(L) AvBwc(IP-Internet Protocol)t AvBwc n‡”Q B›Uvi‡bU †cÖv‡UvKj myB‡Ui GKwU
Ab¨Zg Dcv`vb hv g~jZ: WvUvMÖvg (Datagram) wba©viY (Define) I
ivDwUs(Routing)-Gi KvR K‡i _v‡K| AvBwcÕi wel‡q Av‡iv we¯ÍvwiZ
Av‡jvPbv cieZx©‡Z Kiv n‡e|
(M) AvBwcG·/GmwcG· (IPX/SPX-Internetwork Packet Exchange/
Sequenced Packet Exchange)t AvBwcG· /GmwcG· †cÖv‡UvKj myB‡Ui mªóv
n‡”Q †bv‡fj (Novel) †Kv¤úvwb| GwU †bv‡fj †bUIq¨vi †bUIqv‡K© e¨eüZ
GKwU †cÖv‡UvKj| G †cÖv‡UvKjwU ivDU¨vej (Routable)| GLv‡b ivDwUs ej‡Z
hv eySv‡bv nq Zvn‡jv GwU Ggb GKwU e¨e¯’v hv‡Z WvUv †bUIqv‡K©i GK
†mM‡g›U (Segment) †_‡K Ab¨ †mM‡g‡›U PjvPj Ki‡Z cv‡i|
(N) †bUeyB (NetBEUI-NetBIOS Extended User Interface) t †bUeyB
†cÖv‡UvKjwU AvBweGg (IBM) ˆZwi K‡iwQj g~jZt †QvU AvK…wZi †bUIqvK©
IqvK©MÖæ‡c (Workgroup) e¨env‡ii Rb¨| G †cÖv‡UvKjwU ivD‡Ue¨j
(Routable) bq, A_©vr †bUIqv‡K© WvUv c¨v‡KU GK †mM‡g›U †_‡K Ab¨
†mM‡g‡›U AwZµg Ki‡Z cv‡i bv|
(O) GBPwUwUwc (HTTP-Hypertext Transfer Protocol)t Iqvì© IqvBW I‡qe
(www-World Wide Web)-Gi †cÖv‡UvKj n‡”Q GB GBPwUwUwc, hvi mvnv‡h¨
I‡qe †cR B›Uvi‡b‡Ui GKcÖvšÍ †_‡K Ab¨cªv‡šÍ Qy‡U †eovq|
(P) GdwUwc (FTP-File Transfer Protocol)t B›Uvi‡b‡Ui AvIZvaxb †Kvb dvBj
ev I‡qe mvf©vi †_‡K eo AvK…wZ †Kvb dvBj ev WvUv WvDb‡jvW (Download)
Ges Avc‡jv‡Wi (Upload) Rb¨ GdwUwc e¨envi Kiv nq| Avc‡jvW n‡”Q
Avcbvi wcwm †_‡K dvBj B›Uvi‡b‡Ui dvBj ev I‡qe mvf©v‡i †cÖiY Kiv
Aciw`‡K B›Uvi‡bU †_‡K †Kvb dvBj ev Kb‡U›U Avcbvi wcwm‡Z wb‡q Avmvi
welqwU n‡jv WvDb‡jvW|
cwi‡k‡l mvi-ms‡ÿc wn‡m‡e hv ejv hvq Zv n‡jv †bUIqv‡K© †Kvb wcwm-†K mwµq Ki‡Z
n‡j Avcbv‡K wb‡Pi wZbwU cÖavb mdU&Iq¨vi K‡¤úv‡b›U Bb÷j Ges Zv KbwdMvi Ki‡Z
n‡eÑ
 wbK WªvBfvi
 †cÖv‡UvKj WªvBfvi/WªvBfvimg~n
 K¬v‡q›U/mvf©vi mvwf©‡mm
w
w
w
.fb.com
/tanbir.cox
16  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†bUIqvK© U‡cvjRx t
†bUIqv‡K©i wdwRK¨vj wWfvBm ev K‡¤úv‡b›U (Component) †hgbÑ K¨vej, wcwm, ivDUvi
BZ¨vw` †hfv‡e †bUIqv‡K© ci¯ú‡ii mv‡_ mshy³ _v‡K Zv‡K ejv nq U‡cvjwR|
†bUIqvK© U‡cvjRx g~jZ †bUIqv‡K©i wdwRK¨vj †j-AvDU (Layout) eY©bv K‡i _v‡K|
wdwRK¨vj †j-AvDU ej‡Z GLv‡b eySv‡bv n‡q‡Q Kw¤úDUvi ev wcÖ›Uv‡ii Ae¯’vb Ges
K¨vej ev Zvi¸‡jv G‡`i‡K mshy³ Ki‡Z wKfv‡e web¨¯Í n‡q‡Q †m welqwU| †bUIqvK©
U‡cvjwR‡K Avevi †KD †KD wdwRK¨vj U‡cvjwR wn‡m‡eI AvL¨vwqZ K‡ib|
wdwRK¨vj †bUIqvK© U‡cvjRx‡K cÖavbZ wZbwU †gŠwjK †kªYx‡Z wef³ Kiv hvq| G¸‡jv
n‡”QÑ
1. evm (Bus) t evm U‡cvjwR‡Z †bUIqvK©fy³ mg¯Í Kw¤úDUvi GKwU gvÎ K¨vej
Øviv mshy³ _v‡K Ges K¨ve‡ji †kl cÖv‡šÍ GKwU Uvwg©‡bUi (Terminator)
jvMv‡bv _v‡K| D`vniY¯^iƒc GLv‡b ejv hvq w_b‡bU †Kv-Gw·‡qj (Thinnet
Co-axial) K¨vej Øviv mshy³ B_vi‡bU †bUIqvK© evm U‡cvjwR MVb K‡i
_v‡K| D‡jøL¨ Kw¤úDUvi †bUIqvwK©s-Gi ïiæ †_‡KB evm U‡cvjwR B_vi‡bU
†bUIqvK© ÷¨vÛvW©-Gi mv‡_ AZ¨šÍ wbweofv‡e m¤úwK©Z|
evm U‡cvjwRi cÖavb K¨vejwU‡K ejv nq e¨vK‡evb (Backbone)| wmMb¨vj hLb e¨vK‡ev‡b
Pjv‡div K‡i ZLb †bUIqvK©fy³ mKj Kw¤úDUvi GB wmMb¨vj MÖnY K‡i| wKšÍ G‡`i ga¨
†_‡K ïay GKwU Kw¤úDUvi wmMb¨vj MÖnY K‡i, evwKiv G‡K AMÖvn¨ K‡i|
evm U‡cvjwR e¨env‡ii myweav t
 GB U‡cvjwR †QvU AvKv‡ii †bUIqv‡K© e¨envi Lye mnR I GwU wek¦¯Í|
 †bUIqv‡K© Kw¤úDUvi ev †nv÷¸‡jv‡K mshy³ Ki‡Z GB U‡cvjwR‡Z me‡P‡q
Kg K¨vej cÖ‡qvRb nq, d‡j G‡Z LiPI mvkªq nq|
 †bUIqv‡K©i e¨vK‡evb ev evm mn‡R m¤cÖmviY Kiv hvq| `y‡Uv c„_K K¨vej‡K
GKwU weGbwm e¨v‡ij Kv‡b±i (BNC Barrel Connector) w`‡q †Rvov jvwM‡q
GKwU j¤^v K¨ve‡j iƒc †`qv hvq Ges G‡Z Av‡iv AwaK msL¨K Kw¤úDUvi‡K
ms‡hvM †`qv m¤¢e nq|
 GB U‡cvjwR‡Z evm m¤cÖmvi‡Yi Rb¨ cÖ‡qvR‡b wiwcUviI e¨envi Kiv hvq|
wiwcUvi wmMb¨v‡ji gvb evwo‡q †`q Ges Zv Av‡iv j¤^v `~iZ¡ AwZµ‡g mg_©
nq|
wPÎ : evm U‡cvjRx wewkó GKwU †bUIqvK©|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  17
evm U‡cvjwR e¨env‡ii Amyweav t
 †bUIqv‡K© Kw¤úUvi msL¨v †ewk n‡j cÖPÐ UªvwdK m„wó nq Ges WvUv UªvÝwgkb
wewNœZ nq| GB U‡cvjwR‡Z WvUv UªvÝwgk‡bi Rb¨ †Kvb mgš^‡qi e¨e¯’v †bB|
†h‡Kvb Kw¤úDUvi †h‡Kvb mg‡q WvUv UªvÝwgkb Ki‡Z cv‡i| Gi d‡j
†bUIqv‡K©i cÖPzi e¨vÛDBW_ bó nq| GB e¨e¯’v WvUv UªvÝwgk‡bi cwie‡Z©
Kw¤úDUvi¸‡jv G‡K Aci‡K evav w`‡Z †ewk mgq bó K‡i|
 mshy³ `y‡Uv K¨ve‡ji ga¨eZx© ¯’v‡b Aew¯’Z ms‡hvRK wWfvBm Kv‡b±i K¨ve‡ji
ga¨w`‡q cÖevwnZ WvUv wmMb¨vj‡K `ye©j K‡i †`q|
 evm U‡cvjwR‡Z m„ó mgm¨v wbY©q
Zzjbvg~jKfv‡e †ek RwUj|
K¨ve‡ji GKwU gvÎ ¯’v‡b m„ó
ÎæwU ev †eªK (Break) cy‡iv
†bUIqvK©‡K APj K‡i w`‡Z
cv‡i|
2. ÷vi (Star)t ÷vi U‡cvjwR‡Z
†bUIqvK©fy³ mKj Kw¤úDUvi ev wcwm
GKwU †K›`ªxq wWfvBm-Gi (Device) mv‡_
mshy³ _v‡K| †K›`ªxq wWfvBmwU n‡Z cv‡i
GKwU nve (Hub) ev myBP (Switch)| ÷vi
U‡cvjwRi D`vniY n‡”Q UzB‡÷W †cq¨vi
(Twisted-Pair-10BaseT) K¨vej Øviv
mshy³ GKwU B_vi‡bU †bUIqvK©|
wPÎ : ÷vi U‡cvjRx wewkó GKwU †bUIqvK©|
†Kvb Kw¤úDUvi WvUv UªvÝdvi Ki‡Z PvB‡j Zv cÖ_‡g †m nv‡e A_ev myB‡P cvwV‡q †`q|
Gici nve †m wmMb¨vj‡K jÿ¨¯’‡j cvVv‡bvi Rb¨ h_vh_ iæ‡U †Q‡o †`q| †Kvb
†bUIqv‡K© GKvwaK nvehy³ n‡j Zv‡K ejv nq wUª (Tree) ev nvqiviwKK¨vj
(Hierarchical) U‡cvjwR| GKwU ÷vi U‡cvjwR cÖK…Zc‡ÿ GKwU jwRK¨vj evm U‡cvjwRi
g‡Zv KvR K‡i| Zvi KviY ÷vi U‡cvjwR‡Z †bUIqvK©fy³ mKj Kw¤úDUvi Drm †_‡K
AvMZ wmMb¨v‡ji bvMvj cvq wKš‘ ïay Uv‡M©U Kw¤úDUvi wmMb¨vj MÖnY K‡i evwKiv H
wmMb¨vj‡K AMÖvn¨ K‡i _v‡K|
÷vi U‡cvjwR e¨env‡ii myweav t
 evwK †bUIqv‡K© †Kvb cÖKvi cÖwZeÜKZv m„wó bv K‡iB ÷v‡i bZzb Kw¤úDUvi
†hvM Kiv m¤¢e| †K›`ªxq Ae¯’v‡b ¯’vwcZ nve †_‡K GKwU K¨vej †U‡b wb‡q Zvi
mv‡_ GB bZzb Kw¤úDUviwU Ry‡o †`qv hvq|
 †K›`ªxqfv‡e e¨e¯’vcbvi Rb¨ †bUIqv‡K©i mgm¨v wbiƒcY mnR| Bb‡Uwj‡R›U
nve e¨envi Ki‡j Zvi mvnv‡h¨ †bUIqv‡K©i Kg©KvÐ Z_v IqvK©‡jvW gwbUwis
Kiv hvq|
 GKwU gvÎ Kw¤úDUv‡i †Kvb mgm¨v m„wó n‡j evwK †bUIqv‡K© Zvi cÖfve c‡o
bv| Lye mn‡RB ÷vi †_‡K mgm¨v AvµvšÍ Kw¤úDUviwU mwi‡q †bqv hvq|
 GKB †bUIqv‡K© wewfbœ ai‡bi K¨vej e¨envi Kiv hvq|
w
w
w
.fb.com
/tanbir.cox
18  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
÷vi U‡cvjwR e¨env‡ii Amyweav t
 †K›`ªxq Ae¯’v‡b _vKv nv‡e †Kvb cÖKvi mgm¨v n‡j Zv cy‡iv †bUIqvK©‡K
A‡K‡Rv K‡i †`q|
 ÷vi U‡cvjwR‡Z cÖPzi cwigv‡b K¨vej e¨eüZ nq weavq GwU GKwU
e¨qeûj c×wZ|
3. wis (Ring)t GB U‡cvjwR‡Z mKj wcwm ev †bUIqvK© wWfvBm mivmwi G‡K Ac‡ii
mv‡_ wis ev gvjv AvK…wZ‡Z mshy³ _v‡K| wis-Gi †Kvb GK ¯’v‡b fvOb m„wó n‡j Zv cy‡iv
†bUIqvK©‡K APj K‡i †`q| G Kvi‡Y wis U‡cvjwRi †bUIqv‡K© WvUv UªvÝwgkb e¨e¯’v
wbwðZ Kivi Rb¨ wØZxq GKwU wis †hvM Kiv nq| G wis-wU‡K ejv nq †m‡KÛvwi wis
(Secondary Ring)| †Kvb Kvi‡Y cÖvBgvwi wis weKj n‡q †M‡j †h‡Kvb GKwU †bvW Zv
ZvrÿwYKfv‡e kbv³ K‡i
Ges ZLb †m‡KÛvwi wis WvUv
UªvÝwgkb Kivi `vwqZ¡ MÖnY
K‡i| cÖvBgvwi wis †hw`‡K
WvUv UªvÝwgkb K‡i,
†m‡KÛvwi wis Zvi w`K
D‡ëvw`‡K WvUv c¨v‡KU
UªvÝwgkb K‡i _v‡K| wis
U‡cvjwRi GKwU ev¯Íe
D`vniY n‡”Q dvBevi
÷¨vÛvW© hv dvBevi
wWw÷ªweDkb WvUv B›Uvi‡dm
(FDDI-Fiber Distribution
Data Interface) bv‡g
cwiwPZ| wPÎ : wis U‡cvjRx wewkó GKwU †bUIqvK©|
GLv‡b e‡j ivLv fv‡jv †Uv‡Kb wis Avm‡j †Kvb wdwRK¨vj wis U‡cvjwR bq, GwU GK
ai‡bi jwRK¨vj wis U‡cvjwR hv wdwRK¨vj ÷vi U‡cvjwRi Dc‡i KvR K‡i _v‡K|
wis U‡cvjRx e¨env‡ii myweav t
 †h‡nZz †bUIqv‡K© Aew¯’Z cÖwZwU Kw¤úDUvi WvUv UªvÝwgkb-Gi Rb¨ †Uv‡Kb
e¨env‡ii mgvb AwaKvi cvq ZvB WvUv UªvÝwgk‡bi Rb¨ †bUIqv‡K© †Kvb
Kw¤úDUviB GK”QÎ AvwacZ¨ we¯Ívi Ki‡Z cv‡i bv|
 †bUIqv‡K© Kw¤úDUvi msL¨v evo‡jI Gi `ÿZv Lye †ewk cÖfvweZ nq bv|
wis U‡cvjwR e¨env‡ii Amyweav t
 †bUIqv‡K©i GKwU gvÎ Kw¤úDUvi mgm¨vq AvµvšÍ n‡j cy‡iv †bUIqvK©
APj n‡q co‡e|
 wis U‡cvjwRi †bUIqv‡K© mgm¨v wbiƒcY †ek RwUj|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  19
 †bUIqv‡K© †Kvb Kw¤úDUvi †hvM Ki‡j ev mwi‡q wb‡j Zv cy‡iv
†bUIqv‡K©i Kvh©µg e¨vnZ K‡i
w
w
w
.fb.com
/tanbir.cox
20  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†bUIqvK© nvW©Iq¨vi I K¨vewjs
Network Hardware and Cabling
Kw¤úDUvi †bUIqvK© wb‡q Av‡jvPbv Ki‡Z wM‡q G ch©šÍ Avgiv †bUIqvwK©s-Gi †gŠwjK
welqvw` Ges Gi wKQy K‡¤úv‡b›U wb‡q Av‡jvPbv K‡iwQ hv †bUIqv‡K©i AeKvVv‡gv ev
Bbd«v÷ªvKPvi MVb K‡i| K‡¤úv‡b›U¸‡jvi g‡a¨ D‡jøL‡hvM¨ wQj †bUIqvK© wgwWqv ev
gva¨g, Kv‡bKUi| GQvov Av‡iv KwZcq nvW©Iq¨v‡ii welqI Av‡jvPbvq D‡V G‡m‡Q| G
Aa¨v‡q Avgiv †bUIqv‡K©i Rb¨ AZ¨vek¨K Ggb wKQy nvW©Iq¨vi wb‡q Av‡jvPbv Kie|
†bUIqvK© B›Uvi‡dm KvW© ev wbK
(Network Interface Card or NIC)
†h‡Kvb cÖK…wZi †bUIqvwK©s Ki‡Z †M‡jB †h wWfvmBwm mePvB‡Z Av‡M cÖ‡qvRb n‡e Zv
n‡”Q †bUIqvK© B›Uvi‡dm ev G¨vWvÞvi KvW©| bZzb †bUIqvK© KvW© wKb‡Z †M‡j Avcbv‡K
Gi †ek K‡qKwU wdPv‡ii w`‡K jÿ¨ ivL‡Z n‡e ZvQvov `ªæZ WvUv UªvÝdvi MwZm¤úbœ
†bUIqvK© M‡o Zzj‡Z n‡j Avcbv‡K cy‡iv‡bv KvW©‡K Avc‡MÖW Ki‡Z n‡e| Gme welq
wb‡qB Gevi ch©vqµ‡g Av‡jvPbv Kiv n‡”Q|
wPÎ : GKwU eûj e¨eüZ †bUIqvK© B›Uvi‡dm KvW©
†bUIqvK© B›Uvi‡dm KvW© ev †bUIqvK© G¨vWvÞvi ev wbK †bUIqvwKs©-Gi Rb¨ Ab¨Zg
¸iæZ¡c~Y© wWfvBm| wbK-†K †bUIqv‡K© mwµq Ki‡Z cÖ‡qvRb Gi Dchy³ mdU&Iq¨vi ev
WªvBfvi (Driver)| G mdUIq¨viwU wbK wbg©vZv cÖwZôvb ev †Kv¤úvwb nvW©Iq¨v‡ii mv‡_
mieivn K‡i _v‡K|
GKwU wbK g~jZ wcwm Ges WvUv K¨ve‡ji g‡a¨ wWwRUvj WvUv ev wmMb¨vj Av`vb-cÖ`v‡bi
welqwU mgš^q K‡i _v‡K| Gi evB‡i wbK wbæewY©Z `vwqZ¡¸‡jv cvjb K‡i _v‡K t
 †bUIqvK© B›Uvi‡dm KvW© ev wbK IGmAvB g‡W‡ji wØZxq ¯—i A_©vr WvUv wj¼
†jqv‡ii GKwU wWfvBm|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  21
 WvUv K¨vej Ges Kw¤úDUv‡ii g‡a¨ ms‡hvM ¯’vcb;
 wWwRUvj WvUv wmMb¨vj‡K jwRK¨vj AvKv‡i A_©vr 1 I 0 AvKv‡i K¨ve‡ji ga¨
w`‡q Av`vb cÖ`vb Kiv;
 †bUIqvK© WªvBfvi †_‡K Z_¨ MÖnY Kiv Ges WªvBfvi cÖ`Ë wb‡`©kvewj
(Instructions) cvjb Kiv|
Avcbvi Kw¤úDUv‡i hw` †Kvb eªWe¨vÛ (Broadband) B›Uvi‡bU ms‡hvM †hgb K¨vej ev
wWGmGj (DSL-Digital Subscriber Line) A_ev GwU hw` j¨v‡b (LAN-Local Area
Network) mshy³ _v‡K Zvn‡j Kw¤úDUviwU‡Z G¨vWvÞvi KvW© Bb÷j Kiv _vK‡e| hw`I
B‡Zvg‡a¨ †bUIqvK© KvW© mvgwMÖKfv‡e ÷¨vÛvi©vB‡Rk‡bi w`K †_‡K h‡_ó DbœZ n‡q‡Q,
ZviciI eZ©gv‡b evRv‡i †h mKj KvW© cvIqv hv‡”Q , †m¸‡jvi gvb I ¸‡Yi g‡a¨ we¯Íi
cv_©K¨ †`Lv hvq| †bUIqvK© Kv‡W©i Gme ˆewk‡ó¨i mvnv‡h¨ Avcwb †bUIqv‡K©i WvUv
UªvÝwgkb MwZ Ges wek¦¯ÍZv wbY©q Ki‡Z cv‡ib| evRv‡i †h mKj KvW© GLb cvIqv hv‡”Q
†m¸‡jv †gvUvgywUfv‡e Avcbvi µq mxgvi g‡a¨B Av‡Q| gvÎ 400 UvKv †_‡K 4000 UvKv
`v‡giI †bUIqvK© KvW© Avcwb nv‡Zi bvMv‡jB cv‡eb| †bUIqvK© KvW©wU hw` GK eQ‡ii
AwaK cyiv‡bv nq Zvn‡j Gi Avc‡MÖ‡Wk‡bi gva¨‡g `ÿZv eû¸Y evwo‡q †bqv hvq|
†bUIqvK© KvW© ms‡hvRb
(Network Card Connections)
Kw¤úDUv‡ii gv`vi‡ev‡W©i mv‡_ †bUIqvK© KvW© ms‡hvR‡bi †ek K‡qKwU Ackb i‡q‡Q|
B›Uvibvj ev Af¨šÍixY †bUIqvK© KvW© gv`vi‡ev‡W©i nq AvBGmG (ISA) bv nq wcwmAvB
(PCI) ¯ø‡U emv‡bv n‡q _v‡K| G `y‡Uv ¯ø‡Ui g‡a¨ Avevi wcwmAvB n‡”Q AvaywbK cÖhyw³i|
wcwmAvB-Gi evowZ myweav n‡jv GwU Af¨šÍixYfv‡e `ªæZZvi mv‡_ KvR Ki‡Z cv‡i, wcwmÕi
mv‡_ `ªæZ WvUv Ges wb‡`©kbv wewbgq Ki‡Z cv‡i Ges cÖ‡mm‡ii A‡cÿvK…Z Kg msL¨K
cÖ‡mwms mvB‡Kj e¨q K‡i _v‡K| myZivs Kw¤úDUv‡ii gv`vi‡ev‡W© wcwmAvB ¯øU _vK‡j
Avcbv‡K Aek¨B wcwmAvB mv‡cvU© K‡i Ggb †bUIqvK© KvW© wKb‡Z n‡e|
w
w
w
.fb.com
/tanbir.cox
22  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : gv`vi‡ev‡W© Aew¯’Z AvBGmG (ISA) Ges wcwmAvB (PCI) ¯øU|
evRv‡i G·Uvbv©j (External) †bUIqvK© KvW©I GLb cvIqv hv‡”Q| G ai‡bi KvW© BDGmwe
(USB-Universal Serial Bus) †cv‡U©i gva¨‡g Kw¤úDUv‡ii mv‡_ mshy³ nq| G·Uvb©vj
†bUIqvK© Kv‡W©i WvUv cwienb MwZ B›Uvibvj Kv‡W©i PvB‡Z Kg| Z‡e Avcwb hw` GKwU
gvÎ †bUIqvK© KvW©‡K A‡bK¸‡jv Kw¤úDUv‡ii g‡a¨ †kqvi Ki‡Z Pvb A_ev Kw¤úDUv‡ii
gv`vi‡ev‡W© B›Uvibvj †bUIqvK© KvW© emv‡bvi Rb¨ cÖ‡qvRbxq ¯øU Lvwj bv _v‡K Zvn‡j
Avcwb G·Uvb©vj †bUIqvK© KvW© e¨envi Ki‡Z cv‡ib| Z‡e BDGmwe †bUIqvK© Kv‡W©i
GKwU eo Amyweav n‡”Q GwU Ab¨vb¨ BDGmwe wWfvBm (†hgb ¯‹¨vbvi)-Gi mv‡_ ؇›Øi
(Conflict) m„wó Ki‡Z cv‡i | myZivs BDGmwe †bUIqvK© KvW© e¨envi Ki‡j G wel‡q
we‡kl mKZ©KZv Aej¤^b Kiv cÖ‡qvRb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  23
wPÎ : †bUIqvK© KvW©wU Full Duplex †gv‡W KvR Kivi Rb¨ †mU Kiv n‡q‡Q|
AwaKvsk wbK-Gi wcQ‡b GK ev GKvwaK evwZ ev wjW (LED-Loght Emitting Dide)
_v‡K hv wbK WvqvMbw÷K Kv‡R e¨eüZ nq| GB evwZ †`‡LB Avcwb eyS‡Z cvi‡eb
†bUIqvK© B›Uvi‡dm KvW© wVKg‡Zv KvR Ki‡Q wK bv| mvaviYZt wbK Gi wjsK wjWwU
(Link LED) wbwðZ K‡i †bUIqvK© KvW© wVKg‡Zv wgwWqvi mv‡_ mshy³ n‡q‡Q Ges
G¨vKwUwfwU (ACT) wjW WvUv c¨v‡KU †cÖiY I MÖn‡Yi mgq cÖwZevi weøsK (Blink) K‡i|
†Kvb †Kvb †bUIqvK© Kv‡W© GKB wjW Dfq KvR m¤úbœ K‡i| †bUIqv‡K©i RwUj ev mvaviY
mgm¨v wbiƒc‡Yi c~‡e© G evwZ `y‡Uv‡K GK bRi ciL K‡i wb‡j Avcwb Lye mn‡RB mgm¨vi
Drm Avwe®‹vi K‡i †dj‡Z cv‡ib|
†bUIqvK© KvW© †mUAvc mdUIq¨vi e¨envi t
Avcwb nq‡Zv jÿ¨ Ki‡j †`L‡eb DB‡ÛvR 2000 ev DB‡ÛvR G·wc Acv‡iwUs wm‡÷‡g
†bUIqvK© KvW© ev wbK Bb÷j Ki‡j Avjv`vfv‡e †bUIqvK© WªvBfvi Bb÷j Kivi cÖ‡qvRb
nq bv| Acv‡iwUs wm‡÷g wbR †_‡KB cÖ‡qvRbxq WªvBfvi¸‡jv Bb÷j K‡i †bq Ges wbR
†_‡KB †bUIqvK© KvW©wU‡Z kbv³ Ki‡Z mÿg nq| wKš‘ DB‡ÛvR 98 Acv‡iwUs wm‡÷‡g
†bUIqvK© KvW© Bb÷j Kivi ci Avjv`vfv‡e Kv‡W©i mv‡_ Avmv WªvBfviwU Bb÷j K‡i wb‡Z
nq| Ab¨_vq wm‡÷g G‡K kbv³ Ges mwµq Ki‡Z cv‡i bv|
†bUIqvK© KvW© †mUAvc wW‡¯‹i mv‡_ †ek KZK¸‡jv BDwUwjwU †cÖvMÖvg ev mdUIq¨vi _v‡K,
hv e¨envi K‡i Avcwb †bUIqvK© Kv‡W©i wewfbœ c¨vivwgUvi KbwdMvi Ki‡Z cv‡ib| GQvov
Gme BDwUwjwU w`‡q Avcwb †bUIqvK© Kv‡W©i wewfbœ mgm¨v wPwýZ Ges Zv mgvavbI Ki‡Z
cv‡ib | Gevi †bUIqvK© †mUAvc wW‡¯‹i BDwUwjwU †cÖvMÖv‡gi G ai‡bi KZ¸‡jv e¨envi
†`Lv‡bv n‡jvÑ
w
w
w
.fb.com
/tanbir.cox
24  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
K. cÖavb †gby¨i Aaxb View Current Configuration Ackb wm‡j± Ki‡j Avcwb Avcwb
†bUIqvK© Kv‡W©i B_vi‡bU ev g¨vK G‡Wªm, Wyc‡j· †gvW mwµq wKbv, B›UvivÞ †mwUs
b¤^i-5BZ¨vw` Z_¨vw` ‡`L‡Z cv‡ib|
L. Ic‡ii Z_¨vw` bZzb K‡i †mwUs ev cwieZ©b Ki‡Z PvB‡j Avcwb †gBb †gby¨i Aaxb Set
up New Configuration wm‡j± Kiæb Ges †mLvb †_‡K Avcwb Pvwn`vg‡Zv Z_¨vw` †mU
K‡i wbb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  25
M. Ic‡ii wP‡Î †`Lv‡bv n‡q‡Q †h WvUv †d¬v K‡›Uªvj Ack‡b UªvÝwgkb Ges wiwmwfs `y‡Uv
c¨vivwgUviB wbw®Œq Kiv Av‡Q| G `y‡Uv c¨vivwgUvi mwµq Kivi Rb¨ cc-Avc †gby¨i mvnvh¨
†bqv n‡q‡Q|
N. †gBb †gby¨i Aaxb Run Diagnostics AckbwU wm‡j± K‡i Avcwb †bUIqvK© KvW© Z_v
†bUIqv‡K©i mgm¨v wPwýZ Ki‡Z cv‡ib| Av‡jvP¨ D`vni‡Y WvqvMbw÷Km ivb Kivi ci
†`Lv hv‡”Q †bUIqvK© KvW© mswkøó †Kvb mgm¨v †bB| GLv‡b Avcwb Av‡iv †`L‡Z cvi‡Qb
†bUIqv‡K©i K¨vej h_v_©fv‡e mshy³ Av‡Q|
g¨vK G‡Wªm (MAC Address):
cÖwZwU †bUIqvK© Kv‡W©i GKwU weë-Bb BDwbK AvBwW _v‡K hv g¨vK ev wgwWqv G¨vK‡mm
K‡›Uªvj (MAC-Media Access Control) G‡Wªm bv‡g cwiwPZ| †bUIqvwK©s †UK‡bvjwRi
mKj †gŠwjK Acv‡ikb Gi g¨vK G‡Wª‡mi Dci wfwË K‡i M‡o D‡V‡Q| cÖ‡Z¨KwU‡K
wbKÕGiB Avjv`v Avjv`v G‡Wªm Av‡Q Ges GKwUi G‡Wªm Ab¨wUi mv‡_ KL‡bvB wgj‡e
bv| GB wbK G‡Wª‡mi gva¨‡g †bUIqv‡K© GKwU wWfvBm (Kw¤úDUvi, wcÖ›Uvi ev Ab¨ †h
†Kvb †bUIqvK© †nv÷) ¯^Zš¿fv‡e wPwýZ nq| cieZ©x‡Z Avgiv †`L‡ev (wUwmwc/AvBwc
Aa¨v‡q) †h ev¯Íe †ÿ‡Î Kw¤úDUvi †bUIqvK© †mU Avc Ki‡Z wM‡q Av‡iv Ab¨vb¨ G‡Wªwms
w¯‹g e¨envi Kiv n‡”Q| wKš‘ †bUIqv‡K©i Pvicv‡k †nv÷ †_‡K WvUv D‡Ëvjb (pump)
Ges Zv mÂvj‡bi KvRwU ïay g¨vK G‡Wª‡mi gva¨‡g m¤úbœ nq|
w
w
w
.fb.com
/tanbir.cox
26  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
cÖwZwU wbK-Gi GKwU wbR¯^ ev BDwbK nvW©Iq¨vi G‡Wªm _v‡K hv Kv‡W©i wc-i‡g (PROM-
Programmable Read-only) evb© (Burn) K‡i †`qv nq| wbK-Gi nvW©Iq¨vi wVKvbv g¨vK
wVKvbv (MAC Address) bv‡gI cwiwPZ| GLv‡b D‡jøL¨ †h IGmAvB g‡W‡ji (OSI
Model) g¨vK mve-†jqvi ev Dc¯Íi (g¨vK mve-†jqvi WvUv wjsK †jqv‡ii GKwU Ask)
nvW©Iq¨vi wVKvbv e¨e¯’vcbv ev iÿYv‡eÿ‡Yi `vwqZ¡ cvjb K‡i| cÖwZwU g¨vK wVKvbv 6
evBU ev evBbvwi weU wn‡m‡e †bUIqvK© Kv‡W©i g¨vK G‡Wªm n‡”Q 48weU wewkó| Z‡e eySv
Ges covi myweav‡_© GB G‡Wªm‡K †n·v †Wwmgv‡j (16 †eR wewkó) ms‡ÿc K‡i cÖKvk Kiv
nq| D`vniY¯^iƒc GKwU †bUIqvK© Kv‡W©i g¨vK G‡Wªm n‡Z cv‡i 00 E0 98 01 09 0E|
Gi cÖ_g wZb evBU mieivn K‡i AvB-wUªcj-B (IEEE-The Institute for Electrical and
Electronics Engineering,Inc.), hv AiMvbvB‡Rkbvwj BDwbK AvB‡WbwUdvqvi (OUI)
bv‡g cwiwPZ| †kl wZb evBU wbK wbg©vZv cÖwZôvb KZ…©K mieivn Kivi gva¨‡g GKwU
c~Y©v½ Ges BDwbK g¨vK G‡Wªm ˆZwi Kiv nq|
wPÎ : DB‡Ûv‡R ipconfig KgvÛ e¨envi K‡i Avcwb †bUIqvK© Kv‡W©i g¨vK G‡Wªm (Physical
Address) †`L‡Z cv‡ib|
Avcwb Lye mn‡RB Avcbvi Kw¤úDUv‡i Bb÷jK…Z wbK-Gi g¨vK G‡Wªm Luy‡R †ei Ki‡Z
cv‡ib| Avcwb hw` Kw¤úDUv‡i DB‡ÛvR 2000 ev GbwU Acv‡iwUs wm‡÷g Pvjvb Zvn‡j
Wm Kgv‡Û wM‡q KgvÛ jvBb BDwUwjwU IPCONFIG e¨envi K‡i g¨vK G‡Wªm †ei Ki‡Z
cv‡ib| DB‡ÛvR 95 ev 98-Gi †ÿ‡Î GB KgvÛwU n‡e WINIPCFG| Z‡e Avcbv‡K g‡b
ivL‡Z n‡e Avcwb ZLbB GB KgvÛ jvBb BDwUwjwU KgvÛ¸‡jv e¨envi Ki‡Z mÿg n‡eb
hLb Avcbvi Kw¤úDUv‡i wUwmwc/AvBwc †bUIqvwK©s †cÖv‡UvKj my¨U Bb÷j Kiv _vK‡e|
wjbv· Acv‡iwUs wm‡÷‡gi †ÿ‡Î wbKÕGi g¨vK G‡Wªm †`L‡Z n‡j Avcbv‡K KgvÛ
DB‡Ûv‡Z wM‡q ifconfig KgvÛ e¨envi Ki‡Z n‡e|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  27
Gme KgvÛjvBb BDwUwjwU QvovI Avcwb wbK-Gi mv‡_ mieivnK…Z †mUAvc †cÖvMÖvg
e¨envi K‡i Avcwb g¨vK G‡Wªm †ei Ki‡Z cvi‡eb| †Kvb †Kvb wbK wbg©vZviv AvKvi
wbKÕGi Dci GKwU †j‡e‡j g¨vK G‡Wªm wcÖ›U K‡i †`q|
wbK Bb÷‡jkb (NIC Installation) t
DB‡ÛvR GbwU/2000 cwi‡e‡k wbK Bb÷‡jkb I KbwdMv‡ik‡bi Rb¨ wbæ ewY©Z avc¸‡jv
AbymiY Kiv †h‡Z cv‡it
 cÖ‡qvRb n‡j wbK-Gi Rv¤úvi (Jumper) Ges wWc (Dip) myBPmg~n KbwdMvi
K‡i KvW©wU wcwmÕi h_vh_ ¯ø‡U ¯’vcb Ki‡Z n‡e| G KvRwU Kivi Rb¨ cÖ‡qvR‡b
mdU&Iq¨vi KbwdMv‡ikb BDwUwjwU e¨envi Kiæb;
 wbK-Gi mv‡_ Avmv mdU&Iq¨vi ev WªvBfvi Gevi h_vh_fv‡e Bb÷j Kiæb;
 wm‡÷‡gi mv‡_ †cÖv‡UvKj †hvM Kiæb Gevi| †cÖv‡UvKjwU Aek¨B wbK, Acv‡iwUs
wm‡÷g Ges †bUIqv‡K©i Dc‡hvMx n‡Z n‡e;
 G ch©v‡q K¬v‡q›U mdU&Iq¨vi Bb÷j Kiæb;
 me‡k‡l wbK-Gi †cv‡U©i mv‡_ h_vh_ Kv‡bKUimn †bUIqvK© K¨vej Gevi mshy³
Kiæb|
†bUIqvK© Kv‡bKwUwfwU wWfvBmg~n
(Network Connectivity Devices) t
Avcwb nq‡Zv AvR‡K gvÎ 5wU Kw¤úDUvi I 2wU wcÖ›Uvi w`‡q GKwU j¨vb ¯’vcb Ki‡jb|
e¨emvq m¤cÖmviY ev †Kv¤úvwbi DˇivËi DbœwZi Rb¨ Avcbv‡K wKQyw`b c‡iB Kw¤úDUvi
I wcÖ›Uv‡ii msL¨v evov‡Z n‡Z cv‡i| Avi GRb¨ Avcbvi j¨v‡bi AvK…wZUv †e‡o hv‡e
AeavwiZfv‡e|
GKwU j¨vb‡K (LAN) evov‡Z n‡j G‡K cÖ_‡g K‡qKwU c„_K †mM‡g‡›U (Segment) wef³
Ki‡Z nq| G‡Z †bUIqv‡K© WvUv eªWKv‡÷i (Broadcast) cwigvb K‡g Av‡m Ges wbivcËv
†Rvi`vi nq| †bUIqvK© †mM‡g›U¸‡jv GK‡Î †Rvov w`‡j hv ˆZwi nq Zvn‡jv
B›Uvi‡bUIqvK© (Internetwork)| B›Uvi‡bUIqv‡K© †mM‡g›U¸‡jv †Rvov †`evi Kv‡R †h
mKj hš¿ ev wWfvBm e¨eüZ nq Zv‡K ejv †bUIqvK© Kv‡bKwUwfwU wWfvBm
(Connectivity Device)| B›Uvi‡bUIqv‡K© mvaviYZt †h mKj Kv‡bKwUwfwU wWfvBm
e¨eüZ nq Zvn‡jvÑ
K) wiwcUvi Ges nve (Repeater and Hub)
L) weªR Ges ivDUvi (Bridge and Router)
M) †MUI‡q (Gateway) Ges
N) eªvDUvi (Brouter)
w
w
w
.fb.com
/tanbir.cox
28  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
K) wiwcUvi Ges nve (Repeater and Hub) t
†bUIqv‡K© UªvÝwgkb wgwWqvi ga¨ w`‡q hLb †Kvb B‡jK‡Uªvg¨vM‡bwUK I‡qe ev wmMb¨vj
Pj‡Z _v‡K ZLb wgwWqv GB wmMb¨vj‡K `ye©j K‡i †d‡j| wmMb¨vj `ye©j n‡q covi GB
welqwU‡K ejv nq GwUwbD‡qkb (Attenuation) | D‡jøL¨ G GwUwbD‡qkbB wKš‘ wgwWqvi
ga¨ w`‡q wmMb¨vj AwZµg‡hvM¨ `~i‡Z¡i Dci jvMvg †U‡b †`q|
GKwU wiwcUv‡ii mvnvh¨ wb‡q GB GwUwbD‡q‡UW ev `ye©j wmMb¨vj‡K hw` G¨vgwcødvB
(Amplify) ev kw³kvjx Kiv hvq Zvn‡j GB wmMb¨vj Av‡iv AwaK `~iæZ¡ AwZµg Ki‡Z
mÿg n‡e| wmMb¨vj †ewk `~iZ¡ AwZµg Ki‡Z cvi‡j †m‡ÿ‡Î †bUIqv‡K©i AvKviI Av‡iv
m¤cÖmvwiZ Kiv m¤¢e nq| GLv‡b D‡jøL Kiv cÖ‡qvRb †h G¨vKwUf ev mwµq nv‡e wiwcUvi
weë-Bb Ae¯’vq _v‡K| wiwcUvi‡K Avevi `yÕfv‡e fvM Kiv hvq| G¸‡jv n‡”QÑ
 G¨vgwcødvqvi (Amplifier) t G¨vgwcødvqv‡ii KvR n‡”Q cy‡iv BbKvwgs
(Incoming) wmMb¨vj‡K G¨vgwcødvB Kiv A_©vr Gi kw³‡K evwo‡q †`qv hv‡Z
wmMb¨vj Av‡iv †ewk `~iZ¡ AwZµg Ki‡Z cv‡i|
 wmMb¨vj cyb:Drcv`bKvix (Signal Regenerator) t GwU G¨vgwcødvqv‡ii
†P‡q †ewk Kg©ÿg I Kvh©Kix| BbKvwgs wmMb¨v‡j hw` †Kvb cÖKvi AbvKvw•ÿZ
wmMb¨vj ev kã (Noise) _v‡K Zvn‡j †m kã‡K wdëvwis K‡i ev ev` w`‡q g~j
wmMb¨v‡ji ûeû Wywcø‡KU GKwU wmMb¨vj ˆZwi K‡i| Zvici GB wmMb¨vj‡K
cybM©Vbc~e©K (Reconstruct) wbw`©ó j‡ÿ¨ cybivq UªvÝwgU K‡i _v‡K|
GKwU wiwcUvi `yB ev Z‡ZvwaK †bUIqvK© †mM‡g›U‡K mshy³ K‡i †bUIqv‡K©i AvIZvaxb
Kw¤úDUvimg~‡ni WvUv Av`vb- e¨envi K‡i Avcwb mshy³ Kw¤úDUv‡ii msL¨vI evov‡Z
cv‡ib| D`vniY¯^iƒc GKwU 10Base2 †bUIqvK© †mM‡g›U m‡e©v”P 30wU Kw¤úDUvi aviY
Ki‡Z cv‡i| wiwcUv‡ii mvnv‡h¨ G ai‡bi `y‡Uv 10Base2 †bUIqvK© †mM‡g›U‡K GKwÎZ
Kiv n‡j G‡Z m‡e©v”P 60wU Kw¤úDUvi hy³ Kiv hv‡e|
wiwcUvi GKB †bUIqv‡K© wewfbœ ai‡bi K¨vewjs wm‡÷g m¤úbœ †bUIqvK© †m‡M‡g›Umg~n
mshyw³ mv‡cvU© K‡i| D`vniY¯^iƒc 10Base2 Ges 10Base5 `y‡Uv wfbœ K¨vewjs wm‡÷‡gi
†bUIqvK© †mM‡g›U| wiwcUvi G `y‡Uv †mM‡g›U‡K GKwÎZ ev mshy³ Kivi †Kvb cÖKvi
mgm¨v †gvKv‡ejv Ki‡e bv| Zvi KviY Dfq ai‡bi †bUIqvK© †mM‡g›UB GKB iKg WvUv
c¨v‡KU ÷ªvKPvi e¨envi K‡i|
nve (Hub)t Av‡MB D‡jøL Kiv n‡q‡Q ÷vi U‡cvjwR‡Z †K›`ªxq
wWfvBmwU n‡”Q nve ev myBP hv †bUIqv‡K© GKwU
¸iæZ¡c~Y© Ask| ÷vi U‡cvjwR‡Z Pvi ai‡bi nve/ myBP e¨envi Kiv
nq| G¸‡jv n‡”QÑ
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  29
1) c¨vwmf nve (Passive Hub)t c¨vwmf nve wmMb¨vj MÖnY
K‡i Ges wmMb¨v‡ji †Kvb cÖKvi cwieZ©b/ cwiea©b
Qvov Zv Ab¨ GKwU Kw¤úDUv‡i cvwV‡q †`q|
wPÎ : weGbwm Ges wbKmn GKwU 10BaseT nve |
2) mwµq nve (Active Hub)t mwµq ev G¨vKwUf nve
wmMb¨vj cÖ_‡g MªnY K‡i Ges G‡K cybiærcv`b
(Regeneration) ev G¨vwcøwd‡Kkb (Amplification) Øviv
kw³kvjx K‡i Zv Ab¨ Kw¤úDUv‡i cvVvq|
3) eyw×gvb nve (Intelligent Hub)t eyw×gvb ev
B›Uvwj‡R›U nve A‡bKUv mwµq nv‡ei g‡ZvB| Z‡e G‡Z
†bUIqvK© GWwgwb‡÷ªk‡bi Rb¨ GKwU g¨v‡bR‡g›U
KvW© _v‡K|
4) myBP (Switch) t myB‡Pi mv‡_ Ab¨vb¨ nv‡ei cÖavb
cv_©K¨ n‡jv myBP wmMb¨vj wiwmf Kivi ci Zv mivmwi
Uv‡M©U †cvU© ev †cvU©mg~‡n †cÖiY K‡i _v‡K| wKš‘
Ab¨vb¨ nve wiwmf Kiv wmMb¨vj mKj †cv‡U©B cvVvq,
G‡ÿ‡Î Uv‡M©U †cvU© wmMb¨vj MªnY K‡i Ges Ab¨vb¨
†cvU© Zv AMªvn¨ K‡i |
nve Ges myBP-Gi g‡a¨ cv_©K¨ t
A‡b‡K Avevi nve‡K †kqviW wgwWqvg nve (Shared Medium Hub) Ges myBPW j¨vb nve
(Switched LAN Hub)-G `yfv‡M fvM K‡i _v‡K | †kqviW wgwWqvg nve KbwdMv‡ik‡b
GKwU †K›`ªxq nve _v‡K| GKwU ÷vi Iq¨vwis e¨e¯’vcbvi gva¨‡g IqvK©‡÷kb ev
wcwm¸‡jv‡K nv‡ei mv‡_ mshy³ Kiv nq| G ai‡bi KbwdMv‡ik‡b hw` †Kvb †÷kb WvUv
c¨v‡KU UªvÝwgU K‡i Zvn‡j Zv cÖ_‡g nve MÖnY (Receive) K‡i| GB nve H WvUv c¨v‡KU
Ab¨vb¨ mKj ewnM©vgx jvB‡b Qwo‡q †`q| myZivs †kqviW wgwWqvg nv‡ei †ÿ‡Î WvUv
c¨v‡KU msNl© Gov‡bvi Rb¨ †Kvb GKwU wbw`©ó mg‡q ïay GKwU †÷kbB WvUv †cÖiY K‡i|
 wiwcUvi Ges nve n‡”Q IGmAvB g‡W‡ji cÖ_g ¯—i A_©vr wdwRK¨vj †jqv‡ii
wWfvBm| Zvi KviY Giv †KejgvÎ B‡jKwUªK¨vj wmMb¨vj wb‡q KvR K‡i| wiwcUvi Ges
nve †bUIqvK© G‡Wªm Ges WvUv c¨v‡K‡Ui g‡Zv RwUj welq¸‡jv Abyaveb Ki‡Z m¶g
bq|
w
w
w
.fb.com
/tanbir.cox
30  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
myZivs 10 †gMv weUm cÖwZ †m‡K‡Û MwZm¤úbœ †Kvb B_vi‡bU †bUIqv‡K©i †ejvq †kqviW
wgwWqvg nv‡ei †gvU WvUv UªvÝwgkb MwZ n‡”Q 10 †gMv weUm cÖwZ †m‡K‡Û|
L) eªxR Ges ivDUvi (Bridge and Router) t
90 kZ‡Ki cÖ_g w`‡K myBP evRv‡i Avmvi c~‡e© †bUIqvK© e¨vÛDBW_ e¨e¯’vcbvi Rb¨ Ab¨
`y‡Uv wWfvB‡mi mvnvh¨ †bqv n‡Zv| GB `y‡Uv wWfvBmB n‡”Q eªxR Ges ivDUvi| eªxR Ges
ivDUvi GKwU †bUIqv‡K©i wewfbœ †mKk‡bi g‡a¨ WvUv Uªvwd‡Ki e¨e¯’vcbvi (†hgb
wdëvwis) KvR K‡i| WvUv UªvwdK myôz e¨e¯’vcbvi Rb¨B †bUIqv‡K©i e¨vÛDBW_-Gi h_vh_
e¨envi wbwðZ Kiv m¤¢e nq| Gi evB‡iI eªxR Ges ivDUvi Av‡iv KwZcq KvR
†bUIqv‡K©i Rb¨ m¤úbœ K‡i, hv †bUIqv‡K©i mvwe©K `ÿZv Dbœq‡b AZ¨šÍ mnvqK|
eªxR (Bridge) t Ggb wKQy †bUIqvK© †cÖv‡UvKj Av‡Q hv †bUeyK bb-ivDU¨vej (†hgb
NetBEUI) A_©vr GB †cÖv‡UvKj e¨envi K‡i GK †mM‡g›U †_‡K Ab¨ †mM‡g‡›U ivDUv‡ii
ga¨ w`‡q wmMb¨vj ev WvUv c¨v‡KU cvVv‡bv hvq bv| wVK G ai‡bi bb-ivDU¨vej
†cÖv‡UvK‡ji †ÿ‡Î wmMb¨vj‡K GK †mM‡g›U †_‡K Ab¨ †mM‡g‡›U cvVv‡Z eªxR e¨eüZ nq|
eªxR mvaviYZt †QvU AvKv‡ii †bUIqv‡K©i Rb¨ LyeB Kvh©Kix GKwU Kv‡bKwUwfwU wWfvBm|
eªxR n‡Z cv‡i †Kvb ÷¨vÛ G¨v‡jvb wWfvBm hv †`L‡Z †Kvb GKwU B_vi‡bU wiwcUvi ev
nv‡eÕi g‡Zv| A_ev GKwU wcwm‡Z `y‡Uv wbK Bb÷j K‡i Ges Gi mv‡_ h_vh_ eªxR
mdUIq¨vi e¨env‡ii g‡a¨ G‡K eªxR wn‡m‡e Kv‡R jvMv‡bv hvq|
GKvwaK j¨vb‡K mshyw³i gva¨‡g IqvBW Gwiqv †bUIqvK© ev Iqvb MV‡bi Rb¨ eªxR ev
ivDUvi e¨eüZ nq| GB `y‡Uv wWfvB‡mi g‡a¨ eªx‡Ri MVb I Kvh©cYvjx A‡cÿvK…Z mnR|
eªxR ïay GKB ai‡bi j¨vb‡K mshy³ Ki‡Z cv‡i| ivDUv‡ii Kvh©cwiwa A‡bK †ewk
we¯Z…Z| GwU wewfbœ cÖKv‡ii j¨vb I Iqvb‡K mshy³ K‡i GKB †bUIqv‡K©i AvIZvq wb‡q
Avm‡Z cv‡i|
ivDUvi (Router) t GKwU wiwcUvi †bUIqvK© m¤cÖmvi‡Yi Rb¨ †h mKj KvR K‡i ZvÕi
cy‡ivUvB Ki‡Z cv‡i GKwU ivDUvi| GKwU eªx‡Ri g‡ZvB ivDUvi †bUIqv‡K© WvUv c¨v‡KU
wdëvi Ges Zv d‡ivqvW© Ki‡Z cv‡i| ZvQvov ivDUvi †bUIqv‡K©i g‡a¨ GKvwaK ev
gvwëcj iæU mv‡cvU© K‡i Ges †m wfbœ wfbœ ai‡bi (†hgb B_vi‡bU, †Uv‡Kb wis)
†bUIqvK©‡K mshy³ Ki‡Z cv‡i | eªxRI wewfbœ †bUIqvK© Ask‡K mshy³ Ki‡jI ivDUv‡ii
mv‡_ Gi cv_©K¨ n‡”Q †h, ivDUv‡ii `yÕcv‡ki †bUIqvK© c„_K c„_K †bUIqvK© wn‡m‡e
we‡ewPZ nq|
`yB ev Z‡ZvwaK jwRK¨vwj (Logical) c„_K Ggb †bUIqvK©‡K mshy³ Ki‡Z ivDUvi
jwRK¨vj I wdwRK¨vj G‡Wªwms c×wZ e¨envi K‡i _v‡K| ivDUvi ms‡hvM cÖ`v‡bi KvRwU
mgvav K‡i _v‡K eo eo †bUIqvK©‡K †QvU †QvU jwRK¨vj †bUIqvK© †mM‡g‡›U AM©vbvBR
Kivi gva¨‡g| GB cÖwZwU †QvU †bUIqvK© †mM‡g›U‡K ejv nq mve‡bUIqvK© (Subnetwork)
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  31
ev mve‡bU (Subnet) ivDUvi Avevi cÖwZwU mve‡b‡Ui wecix‡Z GKwU K‡i jwRK¨vj
G‡Wªm eivÏ w`‡q _v‡K|
ivDUvi KbwdMv‡ikb (Router Configuration) t ivDUvi‡K mvaviYZt `yÕfv‡e
KbwdMvi Kiv n‡q _v‡K| c×wZ `y‡Uv n‡”QÑ
 ÷¨vwUK ivDwUs (Static Routing) t ÷¨vwUK ivDwUs-Gi †ÿ‡Î †bUIqvK©
GWwgwb‡÷ªUi wewfbœ †bUIqvK© †mM‡g›U¸‡jvi c_ ivDwUs-Gi Rb¨ wb‡RB
KbwdMvi K‡i _v‡Kb|
wPÎ : Wm †cÖv¤úU Route Print -G KgvÛ w`‡q Avcwb †bUIqv‡K© mwµq ivDUv‡ii ÷¨vUvm †`L‡Z
cv‡i|
 WvqbvwgK ivDwUs (Dynamic Routing) t G ai‡bi ivDwUs-G GKwU
ivDwUs †cÖv‡UvKj †hgb wic (RIP Routing Information Protocol) ev
IGmwcGd (OSPF–Open Shortest Path First) cÖ_‡g wmMb¨vj eªWKvw÷s
(Broadcasting)-Gi gva¨‡g †bUIqv‡K© Aew¯’Z Ab¨vb¨ ivDUv‡ii mv‡_
†hvMv‡hvM ¯’vcb K‡i Ges GB †hvMv‡hv‡Mi gva¨‡g †m wewfbœ †bUIqv‡K©i iæU
wbiæcY K‡i| AZ:ci BbKvwgs WvUv wmMb¨vj‡K H wbw`©ó †bUIqvK© †mM‡g‡›U
cvwV‡q †`q|
 ivDUvi WvUv c¨v‡K‡Ui cÖK…wZ ev aiY cwieZ©b Ki‡Z m¶g| A_©vr ivDUvi
B_vi‡bU †bUIqv‡K©i WvUv c¨v‡KU‡K †Uv‡Kb wis ‡bUIqvK© Dc‡hvMx WvUv c¨v‡KU
wn‡m‡e cwieZ©b K‡i wb‡Z cv‡i| ivDUvi A‡bK¸‡jv †bUIqv‡K©i g‡a¨ WvUv
c¨v‡K‡Ui Rb¨ h_v_© Ges Dc‡hvMx c_ (Route) wbe©vPb Ki‡Z cv‡i| G Kvi‡Y
ivDUvi IGmAvB g‡W‡ji Z…Zxq ¯—i ev †bUIqvK© †jqv‡i KvR K‡i|
w
w
w
.fb.com
/tanbir.cox
32  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
M) †MUI‡q (Gateway)t ivDUvi mdjfv‡e ïay H mg¯Í
†bUIqvK©‡K mshy³ Ki‡Z cv‡i hv‡`i †cÖv‡UvKj¸‡jv GKB c×wZ‡Z
KvR K‡i| hw` †bUIqvK©mg~‡ni †cÖv‡UvKj¸‡jv m¤ú~Y© wfbœ
iK‡gi nq, Zvn‡j ivDUv‡ii †P‡qI AwaK kw³kvjx I eyw×gvb
wWfvB‡mi cÖ‡qvRb nq, Avi GB wWfvBmwU n‡”Q †MUI‡q|
A_©vr GKwU †MUI‡q n‡”Q Ggb GKwU wWfvBm ev wm‡÷g hv
`y‡Uv wfbœ cÖK…wZi †bUIqvK© ev Gwcø‡Kk‡bi g‡a¨ WvUv
wewbg‡qi my‡hvM K‡i †`q|
†MUI‡qi me‡P‡q eo ˆewkó¨ n‡”Q GwU †bUIqv‡K© e¨eüZ wewfbœ ai‡bi †cÖv‡UvKj e¨vL¨v
(Interpret) Ges Abyev` (Translate) Ki‡Z mÿg| D`vniY¯^iƒc Avcbvi †bUIqv‡K©
GKwU B-†gBj †MUI‡q _vKv Avek¨K, hw` Avcwb `yÕwU wfbœ ai‡bi †gBj mvf©vi wmwm
†gBj (CC Mail) mvf©vi Ges gvB‡µvmdU G·‡PÄ (Microsoft Exchange) †gBj
mvf©v‡ii g‡a¨ B-†gBj wewbgq Ki‡Z Pvb| wcwm wfwËK B-†gBj wm‡÷g Ges AvBweGg
†gBb‡d«g (IBM Mainframe) Kw¤úDUv‡ii g‡a¨ B-†gBj †hvMv‡hvM Kiv‡Z n‡j †MUI‡q
e¨envi Kiv Avek¨K| †MUI‡q G‡ÿ‡Î Avcbvi A‡MvP‡iB wcwm †U·U‡K AvBweGg
dig¨vU ev AvBweGg dig¨vU‡K wcwm †U·U-G iƒcvšÍi K‡i| G cÖm‡½ Av‡iv GKwU
D`vniY Zz‡j aiv hvK| Avcwb nq‡Zv Avcbvi GbwU mvf©v‡i (NT Server)
gvB‡µvmdUÕGi Gateway Services for Netware ivb Ki‡Qb| Gid‡j †bUIqvK©
BDRviiv GbwU mvf©v‡ii gva¨‡g Novell Netware Acv‡iwUs wm‡÷g wewkó mvf©v‡ii
dvBj Ges wcÖ›U wi‡mvm© e¨envi Ki‡Z cvi‡e| BDRv‡ii Kv‡Q †bv‡fj †bUIq¨v‡ii
wi‡mvm©¸‡jv GbwU Acv‡iwUs wm‡÷‡gi wi‡mv‡m©i g‡ZvB g‡b n‡e| G‡ÿ‡Î †MUI‡q
mdUIq¨vi BDRvi wi‡Kv‡q÷¸‡jv‡K Ggbfv‡e Uªv݇jU K‡i hv‡Z †m¸‡jv gvB‡µvmdU
Ges †bv‡fj Dfq †bUIqvwK©s Acv‡iwUs wm‡÷‡gi wbKUB †evaMg¨ nq|
 ÷¨vwUK ivDwUs Gi †¶‡Î ivDUvi‡K g¨vbyqvjx KbwdMvi Ki‡Z nq| Aciw`‡K
WvqbvwgK ivDwUs †cÖv‡UvKj Gi †¶‡Î †bUIqvK© wWfvBmmg~n ivDUvi KZ©„K ¯^qswµqfv‡e
wnmve Kiv i“U a‡iB G‡K Ac‡ii mv‡_ †hvMv‡hvM mvab K‡i|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  33
wPÎ : †bUIq¨v‡ii Rb¨ †MUI‡q mvwf©m wm‡÷‡g †hvM Kiv n‡”Q|
†bUIqv‡K©i †ÿ‡Î †MUI‡q kãwUÕi `y‡Uv A_© Av‡Q| mvaviY A‡_© †MUI‡q n‡”Q Ggb GKwU
wWfvBm hv D”P IGmAvB †jqv‡i KvR K‡i| wKš‘ wUwmwc/AvBwc wfwËK †bUIqv‡K©i †ÿ‡Î
ivDUvi Ges †MUI‡q GKB A‡_© e¨envi Kiv nq| myZivs wUwmwc/AvBwc-Gi †ÿ‡Î GKwU
ivDUvi n‡”Q GKwU †MUI‡q|
†MUI‡q IGmAvB g‡W‡ji †Kvb ¯Í‡i KvR K‡i Zv wb‡q weZK© Av‡Q| †KD †KD e‡j
_v‡Kb †MUI‡q mKj ¯Í‡iB KvR K‡i| Avevi †KD †KD e‡jb GwU ïay ¯Íi 4-7 Gi g‡a¨
KvR K‡i| Zvi GB PviwU ¯Íi A_v©r Uªv݇cvU©, †mkb, †cÖ‡R‡›Ukb Ges Gwcø‡Kkb-G WvUv
Drcbœ, cÖ‡mm Ges e¨e¯’vcbvi KvR¸‡jv n‡q _v‡K|
N) eªvDUvi (Brouter) t Lye mnRfv‡e ej‡Z †M‡j eªvDUvi n‡”Q ivDUvi I eªx‡Ri
mgwó | A_©vr eªvDUvi = ivDUvi + eªxR| eªvDUvi e¨env‡ii cÖavb myweav n‡”Q Gi gva¨‡g
†h‡Kvb †cÖv‡UvKj ivDwUs Kiv hvq| D`vniY¯^iƒc eªvDUv‡i AvBwc (IP) ivDUvi Ask
e¨envi Ki‡e| Ab¨w`‡K bb-ivDU¨vej †cÖv‡UvKj †bUeyB (NetBEUI) eªxR Ask e¨envi
Ki‡e| GB B›Uvi‡bUIqvK© Dfq †cÖv‡UvKj e¨env‡ii myweav †`q| eªvDUvi g~jZ GKwU
mdU&Iq¨vi hv ivDUv‡ii Dci KvR K‡i|
†bUIqvK© wgwWqv (Network Media)t
†bUIqvK© Kv‡W©i gva¨‡g GKwU wcwm-†K Ab¨ wcwmÕi mv‡_ mshyw³i Rb¨ †h wWfvBmwU
e¨eüZ nq Zv n‡”Q †bUIqvK© K¨vej| wKš‘ Iq¨vi‡jm †bUIqvwK©s ev gvB‡µvI‡qf wjs‡Ki
†ejvq †Kvb wdwRK¨vj Zvi ev K¨vej e¨eüZ nq bv| G‡ÿ‡Î Bbd«v‡iW ev Iq¨vi‡jm
 wUwmwc/AvBwc wfwËK †bUIqv‡K© ivDUvi mvaviYZ: †MUI‡q wn‡m‡e cwiwPZ|
w
w
w
.fb.com
/tanbir.cox
34  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wWfvBm B‡jKUªg¨vM‡bwUK wmMb¨v‡ji Øviv G‡K Ac‡ii mv‡_ †hvMv‡hvM K‡i| G Kvi‡YB
†bUIqvK© wgwWqv kãwU K¨vejwfwËK Ges K¨vejwenxb Dfq cÖKvi †hvMv‡hvM e¨e¯’vi †ÿ‡Î
e¨envi Kiv n‡q _v‡K|
†bUIqvK© wgwWqv‡K cÖavbZt `yÕfv‡M wef³ Kiv nq| cÖ_gZt evD‡ÛW wgwWqv (Bounded
Media) hv wdwRK¨vj †bUIqvK© K¨vewjs bv‡gI cwiwPZ| G ai‡bi wgwWqv n‡”Q Kcvi,
dvBevi BZ¨vw`| wØZxqZt AvbevD‡ÛW (Unbounded Media) †hgb gvB‡µvI‡qf,
Iq¨vi‡jm, Ges Bbd«v‡iW †bUIqvK© wjsKm| eZ©gv‡b Kw¤úDUvi †bUIqvwK©s-Gi Rb¨
wewfbœ ai‡bi wgwWqv e¨envi Kiv n‡”Q| G‡`i g‡a¨ Ggb wKQy wgwWqv Av‡Q hv‡`i WvUv
UªvÝwgkb MwZ †ewk Ges †ek `~‡ii wWfvBm‡K mshy³ Ki‡Z cv‡i| GLv‡b D‡jøL¨
†bUIqvK© wgwWqv, Kv‡b±i, B‡jKwUªK¨vj wmMb¨vj IGmAvB g‡W‡ji cÖ_g ¯Í‡ii
AvIZvfy³| Avgiv G Aa¨v‡q eûjfv‡e e¨eüZ n‡”Q Ggb RbwcÖq KwZcq wgwWqv wb‡q
Av‡jvPbv Kie|
K¨vej gva¨‡gi cÖKvi‡f` (Types of Cable Media) t
Kw¤úDUvi †bUIqvK© ˆZwii Rb¨ eZ©gv‡b wewfbœ ai‡bi K¨vej ev
wgwWqv ˆZwi n‡”Q| eûjfv‡e e¨eüZ n‡”Q Ggb K‡qK ai‡bi K¨vej
Ges wgwWqv GLv‡b Gevi Av‡jvPbv Kiv n‡”Q|
(K) UzB‡÷W †cq¨vi K¨vej (Twisted Pair Cable) t `v‡g m¯Ív
A_P AZ¨šÍ Kvh©Kifv‡e e¨vcK wfwˇZ e¨eüZ n‡”Q Ggb GKwU
K¨vej n‡”Q UzB‡÷W †cq¨vi
K¨vej| UzB‡÷W †cqvi K¨vej
Avevi `yÔcÖKvi| h_v-(1)
AveiYnxb UzB‡÷W wcqvi
ev BDwUwc (UTP-Unshielded
Twisted Pair) Ges (2)
AveiYhy³ UzB‡÷W wcqvi ev
GmwUwc (STP-Shielded
Twisted Pair)|
 evD‡ÛW wgwWqv ej‡Z wdwRK¨vj †bUIqvK© K¨vewjs †hgb Kcvi Ges dvBevi‡K
†evSv‡bv n‡q _v‡K| GLv‡b wdwRK¨vj ej‡Z hv aiv †Quvqv hvq ev ¯úk© Kiv hvq Ggb
†Kvb wKQy‡K wb‡`©k Kiv n‡”Q| Aciw`‡K AvbevD‡ÛW wgwWqv n‡”Q Ggb wgwWqv hv
aiv †Quvqv ev ¯úk© Kiv hvq bv †hgb gvB‡µvI‡qf, Iq¨vi‡jm, Bbd«v‡iW †bUIqvK©
wj¼ BZ¨vw`|
 IGmAvB ev I‡cb wm‡÷gm B›UviKv‡b± Gi cÖ_g ¯—i ev wdwRK¨vj †jqv‡i
†bUIqvK© wgwWqv, Kv‡b±i, B‡jKwUªK¨vj wmMb¨vj KvR K‡i|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  35
wmMb¨vj UªvÝwgU Kivi Rb¨ UzB‡÷W †cq¨vi K¨ve‡j GKvwaK
†Rvov UzB‡÷W ev †gvov‡bv Kcvi Zvi e¨envi Kiv nq| Kcvi Zvi
†gvov‡bvi Rb¨ µmU‡Ki (Crosstalk) cwigvY K‡g hvq| KviY G
c×wZ‡Z Zvi †_‡K wewKwiZ (Radiated) ms‡KZ G‡K Aci‡K
wbw®Œq K‡i †d‡j|
wPÎ - Twisted †cqvi K¨vej
†hvMv‡hvM K¨vej wn‡m‡e UzB‡÷W †cq¨vi K¨vej e¨vcKfv‡e
e¨eüZ nq| †`Lv †M‡Q j¨v‡bi Rb¨ e¨eüZ Kcvi Zvi K¨ve‡ji g‡a¨
GwU me©vwaK RbwcÖq WvUv KwgDwb‡Kkb gva¨g| `v‡g
UzB‡÷W †cq¨vi K¨vej LyeB m¯Ív Ges GwU wm‡÷‡g Bb÷j KivI
mnR| WvUv KwgDwb‡Kk‡bi cvkvcvwk Avcwb G ai‡bi K¨vej
f‡qm/†Uwj‡dvb UªvÝwgk‡bi Rb¨ e¨envi Ki‡Z cv‡ib|
(1) BDwUwc (UTP) K¨vej t A‡bK AvaywbK †bUIqvK©
†Uwj‡dv‡bi Rb¨ e¨eüZ K¨vej w`‡q ˆZwi n‡”Q| eûj e¨eüZ
GB †Uwj‡dvb K¨vej‡K ejv nq BDwUwc| BDwUwc K¨vej
g~jZ GKvwaK †Rvov UzB‡÷W †cq¨v‡ii mgwó hv Avevi
cøvw÷K Avei‡Y †gvov‡bv _v‡K| bvg †_‡KB †evSv
hv‡”Q BDwUwc K¨ve‡ji Dc‡i †Kvb †gUvj w¯Œb †bB| ïay
GKwU Bbmy¨‡jU‡ii g‡a¨ K¨vej †cq¨vi¸‡jv Av”Qvw`Z
_v‡K| wb‡Pi Qwe‡Z GKwU BDwUwc K¨vej †`Lv‡bv n‡jv
hv‡Z †gvU 4 †Rvov UzB‡÷W Zvi i‡q‡Q|
wPÎ : BDwUwc K¨vej|
eZ©gv‡b evRv‡i †hmKj BDwUwc K¨vej cvIqv hv‡”Q Zv h‡_ó
DbœZgv‡bi| wewKwiZ kã (Radiated Noise) Ges
B‡jK‡Uªvg¨vM‡bwUK B›Uvi‡d‡iÝ (Electromagnetic Interference) Øviv
BDwUwc K¨ve‡j wmMb¨vj A‡cÿvK…Z Kg euvavMÖ¯Í nq|
BDwUwcÕi GB Dbœqb N‡U‡Q AvaywbK cÖhyw³ e¨env‡ii
 µmUK n‡”Q `y‡Uv B‡jKwUªK¨vj wmMb¨v‡ji g‡a¨ AbvKvw•LZ B›UviG¨vKkb ev wgkªb|
w
w
w
.fb.com
/tanbir.cox
36  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
gva¨‡g | GLb Ggb wKQy K¨vUvMwi‡Z BDwUwc K¨vej cvIqv
hv‡”Q hvi WvUv UªvÝwgkb MwZ m‡eŸ©vP 100 GgwewcGm|
BDwUwc K¨ve‡ji Avevi wewfbœ †MÖW Av‡Q, hv K¨vUvMwi
bv‡g AwaK cwiwPZ| †Kvb BDwUwc K¨ve‡ji K¨vUvMwi ej‡Z
eySvq GwU †bUIqv‡K© m‡e©v”P KZ MwZi WvUv UªvÝwgkb
mv‡cvU© Ki‡Z cv‡i| ms‡ÿ‡c G‡K CAT bv‡g AwfwnZ Kiv nq|
D`vniY¯^iƒc K¨vUvMwi 5 K¨vej CAT 5 wn‡m‡e cwiwPZ| GKUz jÿ¨
Ki‡jB Avcwb K¨ve‡ji Mv‡qB GB CAT 5 †jLvwU †`L‡Z cv‡eb|
BDwUwc K¨ve‡ji QqwU K¨vUvMwi weeiY GLv‡b †`qv n‡jvÑ
K¨vUvMw
i
eY©bv Ges e¨envi
(K) 1 Ges 2 GwU g~jZt GbvjM †Uwj‡dv‡b f‡qm wmMb¨vj Ges
Gjvg© wm‡÷‡gi Rb¨ e¨envi Kiv nq| Gi WvUv
UªvÝwgkb MwZ LyeB Kg|
(L) 3 GB K¨vUvMwii PviwU †Rvov UzB‡÷W K¨vej _v‡K
Ges cÖwZ dzU K¨ve‡j wZbwU fuvR _v‡K| WvUv
UªvÝwgk‡bi m‡eŸ©vP MwZ 10 GgwewcGm| GwU
e¨eüZ nq 10BaseT B_vi‡bU †bUIqv‡K©|
(M) 4 G‡ZI Pvi †Rvov UzB‡÷W K¨vej _v‡K| WvUv
UªvÝwgk‡bi m‡eŸ©vP MwZ 16 GgwewcGm|
†Uv‡Kb wis †bUIqvK© Qvov GB K¨vUvMwii
BDwUwc K¨vej Lye †ewk GKUv e¨eüZ nq bv|
(N) 5 UzB‡÷W wcqv‡ii msL¨v G‡ZI 4| WvUv UªvÝwgkb
nvi m‡eŸvP© 100 GgwewcGm| GB K¨vUvMwii
K¨vej †bUIqv‡K© eZ©gv‡b eûjfv‡e e¨eüZ n‡”Q|
GwU e¨eüZ nq 100BaseTX Ges 1000BaseT B_vi‡bU
†bUIqv‡K©|
(O) 6 BDwUwc K¨ve‡ji g‡a¨ GB K¨vUvMwii WvUv
UªvÝwgkb MwZ me‡P‡q †ewk A_©vr 155
GgwewcGm|
B_vi‡bU †bUIqvK© ÷¨vÛv‡W©i mv‡_ eZ©gv‡b †Kv-G· K¨ve‡ji
†P‡q CAT 3, CAT 5, CAT 6 BDwUwc K¨vej AwaK †ewk e¨eüZ
n‡”Q| Zvi KviY G K¨vej¸‡jv eZ©gv‡b e¨envi‡hvM¨ mKj WvUv
UªvÝwgkb MwZ Ges ÷¨vÛvW© mv‡cvU© Ki‡Q Ges A`~i
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  37
fwel¨‡Z †h mKj D”P UªvÝwgkb MwZ I ÷¨vÛvW© Avm‡Q †m¸‡jvI
mv‡cvU© Ki‡e | Z‡e GKB †bUIqv‡K© wewfbœ †mM‡g‡›U
e¨eüZ wfbœ wfbœ K¨vUvMwii (†hgb CAT 3 Ges CAT 5) Iqvj m‡KU
mgm¨vi m„wó Ki‡Z cv‡i| G Kvi‡Y cy‡iv †bUIqv‡K©B Awfbœ
K¨vUvMwii BDwUwc K¨vej e¨envi Kiv †kªq|
BDwUwc K¨vej e¨env‡ii GKwU Amyweav Av‡Q| G ai‡bi K¨ve‡ji
ga¨ w`‡q hLb wmMb¨vj AwZµg Ki‡Z _v‡K ZLb Gi kw³ ev gvb
µgvš^‡q †jvc †c‡Z _v‡K, G‡K ejv nq GwUwbD‡qmb (Attenuation)|
GwUwbD‡qm‡bi wel‡q ciewZ©‡Z Av‡iv wKQyUv Av‡jvKcvZ Kiv
n‡e|
(2) GmwUwc (STP) K¨vejt GmwUwc Ges BDwUwc K¨ve‡ji
g‡a¨ GKgvÎ cv_©K¨ n‡”Q GmwUwc K¨ve‡ji evB‡i R¨v‡KU ev
†Kwms (Casing) Ges Zv‡ii g‡a¨ GKwU wkì (Shield) ev k³ AveiY
_v‡K| GB AveiYwU mvaviYZt G¨vjywgwbqvg ev cwj÷vi Øviv
ˆZwi, hv GmwUwc K¨vej‡K B‡jK†Uªvg¨vM‡bwUK B›Uvi‡d‡i‡Ýi
nvZ †_‡K iÿv K‡i| Z‡e BDwUwc K¨ve‡ji †P‡q GmwUwc K¨vej †h
wmMb¨vj G¨vwUwbDm‡bi w`‡K †_‡K AwaK wbivc` †miKg †Kvb
M¨vivw›U †bB| †Kvb †Kvb AvBweGg †bUIqvwK©s-Gi Rb¨
c~e©kZ© _v‡K GmwUwc K¨vej e¨env‡ii|
 ev¯—e †bUIqvwK©s Gi †¶‡Î BDwUwc K¨vej Avi‡R-45 Kv‡bKUi e¨envi K‡i
_v‡K| Z‡e BDwUwc †bUIqv‡K©i mv‡_ Avi‡R-11 Kv‡bKUi e¨envi Kiv m¤¢e|
hw`I Zv mvaviYZ: Kiv nq bv|
w
w
w
.fb.com
/tanbir.cox
38  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : GmwUwc K¨vej |
(L) †Kv-Gw·qvj (Co-axial) K¨vej t †Kv-Gw·qvj K¨vej Ggb GK
ai‡bi K¨vewjs wm‡÷g hv Gw›Ubv †_‡K wmMb¨vj Avcbvi
wmMb¨vj †Uwjwfkb, †iwWI Ges Kw¤úDUv‡i wb‡q Av‡m|
B_vi‡bU †bUIqvwKs ÷¨vÛvW© Pvjy nevi ci †_‡K †mB 1973 mvj
†_‡KB †Kv-Gw·qvj K¨vej †ek `ÿZvi mv‡_B e¨eüZ n‡q Avm‡Q|
eZ©gv‡b GB RbwcÖq †bUIqvK© wgwWqvwU wewfbœ di‡g
†bUIqvK© K¨vej wn‡m‡e e¨eüZ n‡”Q|
†Kv-Gw·qvj K¨vej (Co-axial Cable) †Kv-G· (Coax) bv‡gI cwiwPZ|
†Kv-Gw·qvj K¨ve‡ji `yÔwU mycwievnx ev KÛv±vi (Conductor) ¯Íi
GKwU Awfbœ Gw·m (Axis) †kqvi K‡i _v‡K| G Rb¨ Gi bvgKiY Kiv
n‡q‡Q †Kv-Gw·qvj K¨vej| †Kv -G· K¨ve‡ji †K›`ª w`‡q AwZµg K‡i
GKwU mwjW (Solid) Kcvi Zvi| GB Zvi‡K wN‡i Rov‡bv _v‡K
cøvw÷K †dv‡gi Bbmy¨‡jkb (Insulation)| Bbm¨y‡jkb ¯Í‡ii Dc‡i _v‡K
GKwU †gUvj w¯Œb ev wkì hv Kcvi †gm ev cøvw÷K w`‡q ˆZwi|
G me¸‡jvi Dc‡i _v‡K me©¯Íi ¯ÍiwU hv R¨v‡KU (Jacket) bv‡g
cwiwPZ| R¨v‡KUwU cy‡iv K¨ve‡ji Rb¨ Bbmy¨‡jUi wn‡m‡e KvR
K‡i|
†gUvj w¯Œb ¯ÍiwU WvUvÕi myiÿv cÖ`vb K‡i| GB ¯Í‡ii Rb¨B
WvUv evB‡ii wmMb¨vj †hgb †iwWI I‡qe, D”P ÿgZvi we`y¨r K¨vej,
†gvevBj †dvb, B‡jKwUªK †gvUi, †d¬v‡i‡mÝ evwZ, ˆe`y¨wZK So
(hv B‡jKUªg¨vM‡bwUK B›Uvi‡d‡iÝ ev EMI wn‡m‡e we‡ewPZ
)ÑcÖfvegy³ _v‡K| GB w¯ŒbwU g~j WvUv wmMb¨vj‡K †K›`ªxq
Zvi †_‡K †iwW‡qkb nIqv †_‡K weiZ iv‡L|
BDwUwc ev GmwUwc K¨ve‡ji Zzjbvq †Kv-G· K¨ve‡j wmMb¨vj
GwUwbD‡qm‡bi cwigvY Kg| †Kv-Gw·qvj K¨vej Avevi `yÔcÖKvi|
w_b‡bU (Thinnet) Ges w_K‡bU (Thicknet)|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  39
wPÎ : †Kv-Gw·qvj K¨vej |
evRv‡i wewfbœ cÖKv‡ii †Kv-G· K¨vej cvIqv hv‡”Q| G¸‡jv
n‡”QÑ
AvKvi eY©bv
K ) 50 Ing, AviwR-8 Ges
AviwR -11
GwU w_K‡bU B_vi‡bU ev
10†eR 5-G e¨eüZ nq|
L) 50 Ing, AviwR- 58 w_b‡bU B_vi‡bU ev 10†eR 2 -G
e¨eüZ nq|
M) 75 Ing, AviwR-59 K¨vej wUwfÔi Rb¨ e¨eüZ nq|
N) 93-Ing, AviwR-62 AvK©‡b‡U (ARCnet) e¨eüZ nq|
B_vi‡bU †bUIqvK© ÷¨vÛvW©-
Gi Rb¨ we‡kl ai‡bi †Kv-G·
K¨vej ˆZwi Kiv n‡q‡Q| wKš‘ †ek
K‡qK ai‡bi †iwWI K¨ve‡ji g‡a¨
GKB ˆewkó¨ †`Lv hvq Ges G
ai‡bi K¨vej‡K ejv nq †iwWI
†MÖW ev Avi‡R (Radio Grade-
RG) K¨vej hv B_vi‡bU
†bUIqvK© ÷¨vÛvW©-Gi mv‡_
mswkøó| B_vi‡b‡Ui evB‡iI Avi‡R †Kv-G· K¨vej AvK©‡bU
†bUIqvK© cÖhyw³i (hv GLb Avi Lye †ewk GKUv cÖPwjZ †bB)
Rb¨ e¨eüZ nq| †Kvb †Kv-G· K¨ve‡ji Bgwc‡WÝ (Impedence) ej‡Z
wPÎ : Kv‡bKUimn †Kv-Aw·qvj K¨vej|
w
w
w
.fb.com
/tanbir.cox
40  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†evSvq H K¨vej Zvi ga¨ w`‡q cÖevwnZ WvUv-†K †m KZUzKz
evav †`q| K¨ve‡ji Bgwc‡WÝ Ing w`‡q gvcv nq|
w_b B_vi‡bU Ges AvK©‡bU Df‡qB weGbwm (BNC-British Naval
Connector) Kv‡bKUi e¨envi K‡i _v‡K| †bUIqvK© wWfvBmmg~n
w_K B_vi‡bU †Kv-G·ÕGi mv‡_ mshy³ _v‡K GKwU G¨vWvÞvi
e‡·i gva¨‡g| G GWvÞvi e·wU‡K ejv nq UªvÝwmfvi (Transceiver)|
wPÎ : WªcK¨vejmn GKwU UªvÝwmfvi|
(M) dvBevi AcwUK (Fiber Optic) K¨vej t dvBevi AcwUK
K¨ve‡ji me‡P‡q eo ˆewkó¨ n‡jv GwU B‡jKwUªK¨vj wmMb¨v‡ji
cwie‡Z© Av‡jvK ev jvBU wmMb¨vj UªvÝwgU K‡i| GKwU
AcwUK¨vj dvBevi wZbwU Dcv`vb wb‡q MwVZ| (1) dvBevi (2)
K¬¨vwWs Ges (3) Bbmy¨‡jwUs R¨v‡KU| Av‡jvK wmMb¨vj
mÂvj‡bi cÖavb KvRwU K‡i dvBev‡ii Af¨šÍ‡ii Møvm ev cøvw÷K
†Kvi (Plastic Core)| †Kv‡ii wVK evB‡ii ¯ÍiwU n‡”Q Kv‡Pi ˆZwi hv
†Kvi †_‡K wbM©Z Av‡jvKiwk¥ cÖwZdwjZ (Reflected) K‡i Zv
cyYivq †Kv‡i †diZ cvVvq| GB ¯ÍiwU K¨¬vwWs (Cladding) bv‡gI
cwiwPZ | cÖwZwU ¯^Zš¿¨ dvBevi Avevi cøvw÷K w`‡q †gvov‡bv
_v‡K| G AveiYwU k³ ev nvjKv †h‡Kvb iK‡gi n‡Z cv‡i|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  41
wPÎ : dvBevi AcwUK K¨ve‡ji MVb
AcwUK¨vj dvBev‡ii ga¨ w`‡q WvUv Bbd«v‡iW A_ev †jRvi jvBU
AvKv‡i †cÖiY Kiv nq| Z‡e wmMb¨v‡ji aib wbf©i Ki‡Q e¨eüZ
wm‡÷g Ges †bUIqv‡K©i m‡e©v”P `~i‡Z¡i Dci| Bbd«v‡iW LED
(Light Emitting Diode) wm‡÷g wgwWqv wn‡m‡e e¨envi K‡i
gvwë‡gvW (Multimode) dvBevi, Ab¨w`‡K †jRvi Wv‡qvW †eRW
wm‡÷g e¨envi K‡i wm‡½j †gvW (Monomode) K¨vej| †k‡lv³
†gvWwU g~jZt j¤^v `~i‡Z¡ D”P MwZ‡Z WvUv †cÖiY Ges
†UwjKg wj¼-Gi Rb¨ e¨eüZ nq| gvwë‡gvW UªvÝwgk‡b K¨ve‡ji
ga¨ w`‡q GK m‡½ GKvwaK wmMb¨vj wfbœ wfbœ †KvY-G
(Angle) A_v©r wfbœ c‡_ Pj‡Z cv‡i| Gi d‡j wiwmwfs cÖv‡šÍ
wfbœ wfbœ †Kv‡Y AvcwZZ wmMb¨vj wfbœ wfbœ mg‡qB
†cuŠQ‡e| G Kvi‡Y gvwë‡gvW UªvÝwgk‡b wmMb¨vj ev jvBU
cvjm mgq AwZµ‡gi mv‡_ mv‡_ cw_g‡a¨ we¯Z…Z (Spread out)
n‡q hvq, d‡j wiwmwfs cÖv‡šÍ cÖvß wbf©yj WvUvi nvi K‡g
Av‡m| G ai‡bi dvBevi ¯^í `~i‡Z¡i †bUIqv‡K© AwaK Dc‡hvMx|
K¨vej Kv‡bKUim (Cable Connectors) t
†bUIqvK© KvW© Ges K¨ve‡ji ga¨eZx© ÿz`ª wWfvBmwU n‡”Q
K¨vej Kv‡b±i| A_©vr GwU †bUIqv‡K©i K¨vej Ges GbAvBwm‡K
mshy³ K‡i _v‡K| K¨vej Kv‡b±‡ii g‡a¨ D‡jøL‡hvM¨ n‡”Q †Kv-
Gw·qvj K¨vej, 10†eR wU, B_vi‡bU BZ¨vw`| G‡`i g‡a¨ 10†eR wU
w
w
w
.fb.com
/tanbir.cox
42  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
Kv‡bKUi Zzjbvg~jKfv‡e A‡bK †ewk `ªæZ, wek¦¯Í Ges e¨vcKfv‡e
e¨eüZ n‡”Q| 10 †eR wU Kv‡bKUi †`L‡Z A‡bKUv †Uwj‡dvb Zv‡ii
g‡ZvB| †Kvb †Kvb †bUIqvK© KvW© GKvwaK ai‡bi Kv‡bKUi
mv‡cvU© K‡i _v‡K, †mfv‡eB G‡Z GKvwaK †cv‡U©i e¨e¯’v
i‡q‡Q| G ai‡bi KvW©‡K ejv nq K‡¤^v KvW© (Combo Card)|
m¤cÖwZ mg‡q B_vi‡bU (Ethernet) cÖhyw³ †bUIqvwK©s-Gi
RM‡Z e¨vcK RbwcÖqZv †c‡q‡Q, ej‡Z †M‡j GLb B_vi‡bU
GKwU †Wvwg‡bwUs cÖhyw³| †m Kvi‡Y Avcbvi Kw¤úDUv‡ii
†bUIqvK© KvW©wU hw` K‡¤^v UvB‡ci nq Zvn‡j G‡K
Avc‡MÖW K‡i B_vi‡bU cÖhyw³ e¨envi Dc‡hvMx Kiv m¤¢e n‡e|
wPÎ : GKwU weGbwm wU Kv‡bKUi|
†bUIqv‡K© mvaviYZt wb‡æv³ wZb ai‡bi Kv‡bKUi e¨eüZ nq|
G¸‡jv n‡”QÑ
Kv‡bKU‡ii aib eY©bv
K) Avi‡R- 45 (1RJ-
45)
†bUIqvK© B›Uvi‡dm KvW© ev wbKÕGi
mv‡_ BDwUwc K¨ve‡ji ms‡hvM cÖ`v‡b
GwU e¨eüZ nq| GB Kv‡bKU‡ii †gvU 8wU
KbUv± wcb _v‡K| GB 8wU wcb wewfbœ
†bUIqvK© ÷¨vÛvW©-Gi Rb¨ wfbœ wfbœ
web¨v‡m (Combination) e¨envi Kiv nq|
L) AviwR-58 GwU †Kv-Gw·qvj weGbwm (BNC)
Kv‡bKUi bv‡g cwiwPZ| G ai‡bi Kv‡bKUi
w_b‡bU ev 10†eR 2 K¨ve‡j ms‡hv‡Mi
Rb¨ e¨eüZ nq| wPÎ 3. |
1
RJ-Registered Jack
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  43
M) GBDAvB (AUI-
Attachment User Connector)
GwU 15 wcb wewkó Kv‡bKUi hv
GBDAvB Wªc K¨ve‡j ms‡hvM cÖ`v‡b
e¨eüZ nq|
wPÎ : RJ-45 Kv‡bKUi|
wb‡Pi †Uwe‡j wewfbœ Kv‡bKUi I Gi K¨ve‡ji In‡gR ev †iva Ges †bUIqv‡K© WvUv enb
Kivi `~iZ¡ Zz‡j aiv n‡jv t
Kv‡bKUi K¨ve‡ji aib 2
In‡gR `~iZ¡
K) Avi‡R-58 w_b‡bU (10 †eR2) 50 Ing 185 wgUvi ev 610 dzU
L) Avi‡R-4 ev 11 w_K‡bU (10 †eR 5) 50 Ing 500 wgUvi ev 1650 dzU
M) Avi‡R-62 BD AvK©‡bU †bUIqv‡K©i
†Kv-Gw·qvj K¨vej
93 Ing 6060.6 wgUvi ev
20,000 dzU
A‡bK †bUIqvwK©s ÷¨vÛvW© BDwUwc K¨ve‡ji gvÎ 2 †Rvov
K¨vej e¨envi K‡i _v‡K| Z‡e me‡P‡q DËg n‡”Q 4 †Rvov A_©vr 8
wU K¨vejB cÖwZwU Kv‡b±‡ii mv‡_ mshy³ Kiv| G‡Z K‡i
†bUIqv‡K© Ab¨vb¨ wWfvB‡mi mv‡_ K¤ú¨vwUwewjwU
(Compatibility) wbwðZ nq Ges fwel¨r ÷¨vÛvW©Õ-Gi mv‡_ Lvc
LvB‡q wb‡Z cv‡i| BDwUwc †bUIqvwK©s-G 4 wc‡bi Kv‡bKUi‡K
ejv nq RJ-11 Z‡e †bUIqvwK©sÕG GB KbwdMv‡ikbwU Lye GKUv
RbwcÖq bq|
AcwUK¨vj dvBevi Kv‡bKUim (Optical Fiber Connectors)t
AcwUK¨vj dvBev‡ii ga¨ w`‡q †h‡nZz
B‡jKwUªK¨vj wmMb¨v‡ji cwie‡Z©
Av‡jvi AvKv‡i wmMb¨vj Av`vb cÖ`vb
nq, G Kvi‡YB Gi Kv‡b±‡ii aibI GKUz
wfbœ cÖK…wZi| AcwUK¨vj dvBev‡i
cÖavbZt `yÕai‡bi Kv‡bKUi e¨eüZ nq|
Gi GKwU n‡”Q GmwU (Gi aib n‡”Q
UzB÷ Ges jK) Ges AciwU Gmwm
2
In‡gR-K¨ve‡ji †iva ev cÖevwnZ wmMb¨vj‡K euav cÖ`v‡bi ¶gZv|
w
w
w
.fb.com
/tanbir.cox
44  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
(GwU cyk wdU cÖK…wZi)| cv‡ki Qwe‡Z GmwU Ges Gmwm
dvBevi Kv‡bKUi †`Lv‡bv n‡jv| Z‡e GdwWwWAvB †bUIqvK©
÷¨vÛvW©-G GdwWwWAvB Wyc‡j· Kv‡b±i e¨eüZ nq| GmwU
Kv‡b±‡ii mv‡_ weGbwm Kv‡bKU‡ii A‡bK mv`„k¨ Av‡Q|
ev¯Í‡e Avcwb †h mKj dvBevi
AcwU‡Ki gy‡LvgywL n‡eb Zv n‡”Q
10BaseFL A_ev 100BaseFX hv 10 ev 100 †gMvweUm cvi †m‡KÛ
MwZ‡Z B_vi‡bU †bUIqv‡K© WvUv UªvÝwgU Ki‡Z cv‡i| GQvov
Av‡iv Av‡Q 100 †gMvweUm cvi †m‡KÛ MwZi GdwWwWAvB
÷¨vÛvW©Õ-Gi dvBevi K¨vej, hv GKwU iæ‡gi g‡a¨ GKvwaK
wm‡÷g‡K AvšÍ:mshy³ K‡i| wb‡Pi †Uwe‡j Dc‡ii ewY©Z wZb
ai‡bi †gŠwjK dvBevi AcwU‡Ki eY©bv Ges MwZ †`Lv‡bv n‡jvÑ
÷¨vÛvW© eY©bv WvUv UªvÝwgkb MwZ
10BaseFL dvBevi AcwUK
wfwËK B_vi‡bU
cÖwZ †m‡K‡Û 10
†gMvweUm
10BaseFX dvBevi AcwUK
wfwËK B_vi‡bU
cÖwZ †m‡K‡Û 100
†gMvweUm
FDDI dvBevi wWwֻweDkb
WvUv B›Uvi‡dm
cÖwZ †m‡K‡Û 100
†gMvweUm
myBP Ges ivDUv‡ii Gi Rb¨ K¨vewjs t
wmm‡Kv myBP Ges ivDUv‡ii Rb¨ `yÕai‡bi K¨vewjs e¨eenvi Kiv
nq| G GKwU n‡”Q 1. Kb‡mvj †cvU© wfwËK K¨vewjs Ab¨wU 2.
B_vi‡bU †cvU© wfwËK K¨vewjs| myBP‡K me© cÖ_g KbwdMvi
Kivi Rb¨ Kb‡mvj †cvU© e¨envi Kiv nq| Gici KbwdMv‡ikb
cwieZ©‡bi cÖ‡qvRb n‡j Avcwb B_vi‡bU †cvU© e¨envi K‡i
†Uj‡bU †cÖvMÖv‡gi gva¨‡g G KvRwU Ki‡Z cv‡ib|
†ivjIfvi K¨vej t D`vniY¯^iƒc GLv‡b ejv hvq, Kb‡mvj †cvU© wfwËK K¨vewjs Gi
AvIZvq 1900 wmwi‡Ri myBP Gi mv‡_ ms‡hv‡Mi Rb¨ Avcwb †ivjIfvi K¨vej e¨envi
Ki‡Z cv‡ib| wb‡Pi wP‡Î GKwU †ivjIfvi K¨ve‡ji bgybv †`Lv‡bv n‡jvÑ
wPÎ : AcwUK¨vj dvBevi Kv‡bKUi|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  45
†ivjIfvi K¨ve‡ji Dfq cÖv‡šÍ RJ-45 Kv‡bKUi mshy³ _v‡K| GB K¨ve‡ji GK cÖvšÍ
mivmwi myB‡P mshy³ Kiv _v‡K| K¨ve‡ji Ab¨ cÖvšÍ RJ-45, DB-9 ev RJ-45, DB-25
GWvÞv‡ii mv‡_ hy³ n‡e| Avcwb †Kvb GWvÞviwU e¨eniv Ki‡eb †mwU cy‡ivcywi wbf©i
Ki‡Q Avcbvi Kw¤úDUv‡ii wmwiqvj †cv‡U©i Ici| mKj bZzb g‡W‡ji myBP Ges ivDUvi
Kvjvi †Kv‡WW (Color Coded) Gid‡j Avcwb †ivjIfvi K¨ve‡ji Kvjv‡ii mv‡_ myBP ev
ivDUv‡ii Kvjvi wgwj‡q G‡K mn‡RB mshy³ Ki‡Z cvi‡eb|
GKwU †ivjIfvi K¨vej hLb Kv‡bKU‡ii gva¨‡g mshy³ nq ZLb cÖ_g Kv‡bU‡ii 1 bs
wcbwU 2q Kv‡bKU‡ii 8 bs wc‡bi mv‡_ hy³ nq| GKBfv‡e 2bs wcb 7bs, 3bs wcb 6bs
Ges 4bs wcb 5bs Gi mv‡_ hy³ nq|
RJ-45 Kb‡mvj †cv‡U©i wcbAvDU (Pinout) wb‡Pi †Uwe‡j †`Lv‡bv n‡jvÑ
wcb 1 2 3 4 5 6 7 8
wmMb¨vj - DTR TxD GND GND RxD DSR -
w
w
w
.fb.com
/tanbir.cox
46  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
BbcyU/AvD
UcyU
- AvDUcyU AvDUcyU - - BbcyU BbcyU -
Dc‡ii †Uwej †_‡K cÖZxqgvb wcb 6 Ges 7 BbcyU wmMb¨vj Ges
wcb 2 Ges 3 AvDUcyU wmMb¨v‡ji Rb¨ e¨eüZ n‡”Q|
B_vi‡bU †cvU© wfwËK K¨vewjs t
B_vi‡bU †cvU© wfwËK K¨vewjs Avevi `yai‡bi| G¸‡jv n‡”Q K.
†÷ªBU _ªy K¨vewjs (Straight Through Cabling) Ges L. µmIfvi K¨vewjs
(Crossover Cabling)|
hLb Avcwb Avcbvi ivDUvi, IqvK©‡÷kb Ges mvf©vi‡K myB‡Pi
mv‡_ mshy³ Ki‡eb ZLb Avcbv‡K Aek¨B †÷ªBU _ªy K¨vej e¨envi
Ki‡Z n‡e| Avi hLb Avcwb GKwU myBP‡K Ab¨vb¨ wiwcUvi ev
myB‡Pi mv‡_ hy³ Ki‡eb ZLb Aek¨B µmIfvi K¨vej e¨envi Ki‡Z n‡e|
wb‡P †÷ªBU _ªy K¨vej Gi Iq¨vwis WvqvMÖvg Ges Gi wcb †j-
AvDU †`Lv‡bv n‡jv-
†÷ªBU _ªy K¨ewjs G wcb 1, 2 Ges 3,6 †K Aek¨B UzB‡÷W †cqvi
n‡Z nq| mvaviYZ: wcb 4,5,7 Ges 8 Gi e¨envi †bB| hw`I G¸‡jv‡K
K¨ve‡ji mv‡_ hy³ K‡i ivLv hvq|
wb‡P µmIfvi K¨ve‡ji Iq¨vwis WvqvMÖvg Ges wcb †j-AvDU
†`Lv‡bv n‡jvÑ
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  47
µmIfvi K¨ve‡j wcb 1, 2 Ges 3,6 UyB‡÷W †cqvi n‡q _v‡K| 1g
cÖv‡šÍi wcb 1 Ges 2 h_vµ‡g 2q cÖv‡šÍ wcb 6 Ges 3 Gimv‡_ hy³
_v‡K| GQvov 1g cÖv‡šÍi wcb 3 Ges 6 h_vµ‡g 2q cÖv‡šÍi wcb 8
Ges 7 Gi mv‡_ hy³ nq|
w
w
w
.fb.com
/tanbir.cox
48  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†bUIqvK© †mUAvc I KbwdMv‡ikb
Network Setup and Configuration
†bUIqvK© †mUAvc cÖ¯‘wZ
(Preparation for Network Set Up) t
BwZc~‡e© Avgiv †`‡LwQ †h, GKwU †bUIqvK© n‡Z cv‡i wcqvi-Uz-wcqvi A_ev K¬v‡q›U/mvf©vi
cÖK…wZi| Avgiv Gevi GKwU wUwmwc/AvBwc †bUIqvK© †mUAv‡ci wewfbœ avc wb‡q Av‡jvPbv
Ki‡ev| Av‡jvP¨ D`vni‡Y Avgiv a‡i wbw”Q †bUIqvK©wU K¬v‡q›U mvf©vi cÖK…wZi| GLv‡b
GKwU mvf©vi Ges Gi mv‡_ †ek K‡qKwU K¬v‡q›U ev IqvK©‡÷kb _vK‡Q| †bUIqvK©
Acv‡iwUs wm‡÷g wn‡m‡e Avgiv cÖ_‡g DB‡ÛvR cøvUdg©‡KB e¨envi KiwQ| Gic‡i Aek¨
Avgiv wjbv· Acv‡iwUs wm‡÷‡gI †bUIqvK© †mUAv‡ci wewfbœ avc †`Lv‡bv n‡q‡Q|
wUwmwc/AvBwc wfwËK K¬v‡q›U mvf©vi †bUIqvK© †mUAv‡ci cÖ_g ch©v‡q wdwRK¨vj
wWfvBmmg~n mshy³c~e©K †mUAvc, Gici GwU KbwdMvi Ges me‡k‡l cixÿv K‡i †`Lv
n‡e †bUIqvK©wU wVKg‡Zv KvR Ki‡Q wKbv †m welqwU| Aek¨ Av‡jv”¨ D`vni‡Yi
†bUIqv‡K©i AvwK©‡UKPvi ev aib n‡”Q B_vi‡bU GUvI Avgiv a‡i wbw”Q|
†bUIqv‡K©i cÖwZwU Kw¤úDUv‡ii wbR¯^ bvg Ges AvBwc G¨v‡Wªm _vK‡Q| †bUIqvK©
†mUAv‡ci cÖ_g avc n‡”Q wdwRK¨vj †mUAvc m¤úbœ Kiv| wdwRK¨vj †mUAv‡ci mv‡_
Av‡iv †h welq¸‡jv RwoZ Zvn‡jv cÖwZwU Kw¤úDUv‡i †bUIqvK© B›Uvi‡dm KvW© ev wbK
Bb÷j Kiv| m¤cÖwZ Aek¨ cÖvq cÖwZwU e¨vÛ wcwmÕi mv‡_B weë-Bb B›Uvi‡dm KvW©
cvIqv hv‡”Q| eZ©gv‡b †h mg¯Í †bUIqvK© B›Uvi‡dm KvW© ˆZwi n‡”Q †m¸‡jv‡K Avcwb
mdUIq¨v‡ii gva¨‡gB KbwdMvi Ki‡Z cvi‡Qb| wdwRK¨vjx G¸‡jvi Rv¤úvi (Jumper) ev
wWAvBwc myBP †mU Kivi †Kvb cÖ‡qvRb nq bv| †bUIqvK© KvW© Bb÷j Kivi ci Avcwb
Gevi cixÿv K‡i †`L‡eb wm‡÷g KvW©wU‡K wVKg‡Zv wPb‡Z cvi‡Q wK bv| A‡bK mgq
†bUIqvK© KvW© B›UvivÞ (Interupt) G¨v‡Wªm Ges AvB/I (I/O) †ggwii mv‡_ Kbwd¬± ev ØÜ
m„wó Ki‡Z cv‡i| G ai‡bi Kbwd¬‡± Rwo‡q co‡j †bUIqvK© KvW© Ab¨vb¨‡`i mv‡_
†hvMv‡hv‡Mi KvRwU Ki‡Z cvi‡e bv|
wØZxq av‡c Gevi Avgiv cixÿv K‡i †`L‡ev Kw¤úDUvi wVKg‡Zv †bUIqvK© KvW© mbv³
Ki‡Z cvi‡Q wK bv Ges GwU Ab¨ †Kvb wWfvB‡mi mv‡_ Kbwd¬± m„wó Ki‡Q wK bv †m
welqwU| †bUIqvK© KvW© Bb÷j Kivi ci wm‡÷g G‡K wPb‡Z cvi‡j
StartSettingControl Panel †_‡K Add/Remove Hardware DBRvW©wU Avcwb
e¨envi Ki‡eb| DBRvW© PjvKvjxb mg‡q †bUIqvK© Kv‡W©i mv‡_ Avmv Gi mdUIq¨vi
WªvBfvi Bb÷j Kivi Rb¨ d¬wc wW¯‹ ev wmwWÕi mvnvh¨I wb‡Z n‡Z cv‡i| mdUIq¨vi
Bb÷j Kivi ci Avcwb Kw¤úDUviwU‡K cybivq Pvjy Ki‡eb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  49
†bUIqvK© †mUAv‡ci Z…Zxq avc n‡”Q K¨vej Ges Uvwg©‡bUi wbe©vPb Kiv| Z‡e me ai‡bi
K¨ve‡j Uvwg©‡bUi cÖ‡qvRb nq bv| †hgb aiæb UzB‡÷U wcqvi K¨vej, Gi Rb¨ †Kvb
Uvwg©‡bUi Avcbv‡K e¨envi Ki‡Z n‡e bv| Av‡jvP¨ D`vni‡Y Avgiv BDwUwc (UTP)
K¨vej K¨vUvMixÑ5 ev CAT-5 K¨vej e¨envi KiwQ| K¨ve‡ji †klcÖv‡šÍ _vK‡e Kv‡bKUi|
GB Kv‡bKUiwU wM‡q mivmwi hy³ nq †bUIqvK© Kv‡W©i mv‡_| UzB‡÷W wcqvi K¨ve‡ji mv‡_
Avgiv e¨envi KiwQ Avi‡R-45(RJ-45) Kv‡b±i, hv †`L‡Z A‡bKUv †Uwj‡dvb Kv‡b±‡ii
g‡ZvB|
w_b B_vi‡b‡U e¨eüZ nq †Kv-Gw·qvj K¨vej hv †`L‡Z †Uwjwfk‡b e¨eüZ †Kv-Gw·qvj
K¨ve‡ji g‡ZvB| w_b B_vi‡b‡Ui Kv‡b±i‡K ejv nq wU (T) Kv‡b±i| †Kv-Gw·qvj K¨vej
T Gi `yB cÖv‡šÍ hy³ nq Ges T -Gi Aci cÖvšÍwU mshy³ _v‡K †bUIqvK© Kv‡W©i mv‡_|
Gfv‡e mshy³ K¨ve‡ji me©‡kl `yÕcÖv‡šÍi `y‡Uv Kw¤úDUv‡i T Gi Rb¨ Uvwg©‡bwUs †iwR÷vi
jvMv‡bv nq T Gi Ask wn‡m‡eB| †bUIqvK© K¨vej mg¯Í IqvK©‡÷kb Ges mvf©v‡ii
†bUIqvK© Kv‡W©i mv‡_ mshy³ n‡q GKwU †bUIqvK© U‡cvjwR m„wó Ki‡e|
wdwRK¨vj †bUIqvK© †mUAvc wVK Av‡Q wKbv †mwU cixÿvi Rb¨ Kgc‡ÿ `y‡Uv Kw¤úDUv‡ii
†gŠwjK mdUIq¨vi _vK‡Z n‡e Ges G¸‡jv h_vh_fv‡e KbwdMvi K‡i wb‡Z n‡e| GRb¨
†bUIqvK©fy³ me¸‡jv Kw¤úDUvi GKms‡M Pvjy bv Ki‡jI Pj‡e| cixÿv K‡i hw` †`Lv
hvq `y‡Uv Kw¤úDUvi wb‡R‡`i g‡a¨ †hvMv‡hvM Ki‡Z cvi‡Q bv ev †hvMv‡hvM ¯’vc‡b mgm¨v
n‡”Q, Zvn‡j †bUIqvK© Uªvejm¨ywUs GLvb †_‡KB Avcbv‡K ïiæ Ki‡Z n‡e|
wUwmwc/AvBwc KbwdMv‡ikb
(TCP/IP Configuration) t
wUwmwc/AvBwc †bUIqvK© †mUAv‡ci G ch©v‡q Avgiv GLb wUwmwc/AvBwc mdUIq¨vi
KbwdMvi Ki‡ev| g~jZ: mKj Acv‡iwUs wm‡÷‡gB (†hgb DB‡ÛvR, BDwb·, wjbv·,
g¨vwK‡›Uvm) wUwmwc/AvBwc KbwdMvi Kivi c×wZ cÖvq GKB iK‡gi| AwaKvsk Acv‡iwUs
wm‡÷‡g wUwmwc/AvBwc mdUIq¨vi c¨v‡KR wewfbœ ai‡bi BDwUwjwU myweav cÖ`vb K‡i| Gi
g‡a¨ _vK‡Z cv‡i †gby¨ WªvB‡fb w¯ŒÞ hv Avcbv Avcwb wUwmwc/AvBwc Gwcø‡Kkb
Bb÷‡jkb cÖwµqv m¤úbœ K‡i| Z‡e BDwb‡·i g‡Zv KwZcq Acv‡iwUs wm‡÷‡g Avcbv‡K
g¨vbyqvjx †U·U GwWU‡ii mvnv‡h¨ wUwmwc/AvBwc Bb÷j Ges Zv KbwdMvi Ki‡Z n‡e|
wUwmwc/AvBwc mwVKfv‡e KbwdMvi cÖwµqv ïiæ Kivi c~‡e© Avcbv‡K KZK¸‡jv Z_¨ †R‡b
wb‡Z n‡e| †bUIqv‡K© cÖwZwU Kw¤úDUv‡ii Rb¨ Avcbv‡K †h mKj Z_¨ Rvb‡Z n‡e Zv
wbæiƒcÑ
K) †Wv‡gBb †bg (Domain Name) t GwU cy‡iv †bUIqv‡K©i cÖK…wZ ev ‰ewkó¨ wb‡`©k
K‡i Ggb GKwU bvg hv †bUIqvK©fy³ Kw¤úDUvi¸‡jv e¨envi Ki‡e|
L) wm‡÷g ev Kw¤úDUvi †bg (System or Computer Name) t †bUIqv‡K© cÖwZwU
†jvKvj †gwk‡bi ¯^Zš¿¨ bvg GwU|
M) AvBwc G¨v‡Wªm (IP Address) t cÖwZwU Kw¤úDUv‡ii c~Y© G¨v‡Wªm|
w
w
w
.fb.com
/tanbir.cox
50  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
N) WªvBfvi UvBc (Driver Type) t †bUIqv‡K©i cÖwZwU B›Uvi‡dm Avewk¨Kfv‡e
GKwU wWfvBm WªvBfv‡ii mv‡_ mswkøó _v‡K, hv Acv‡iwUs wm‡÷g‡K wb‡`©kbv cÖ`vb
K‡i wKfv‡e †m wWfvBmmg~‡ni mv‡_ KwgDwb‡KU Ki‡e|
O) eªWKv÷ G¨v‡Wªm (Broadcast Address)t †bUIqvK© we¯Z…Z WvUv eªWKvw÷s Gi
Rb¨ GB G¨v‡Wªm e¨eüZ nq|
P) †bUgv¯‹ (Netmask) t †bUIqvK© gv¯‹ cÖwZwU †jvKvj †bUIqvK©‡K Avjv`v
Avjv`vfv‡e wPwýZ K‡i _v‡K|
Q) †bUIqvK© KvW© KbwdMv‡ikb Bbdi‡gkb (Network Card Configuration
Information)t GwU cÖwZwU †bUIqvK© Kv‡W©i B›UvivÞ †f±i (Interrupt Vector)
ev bv¤^vi Ges †ggwi G¨v‡Wªm wb‡`©k K‡i _v‡K| †jvKvj †bUIqv‡K©i evB‡i hw`
Avcwb Ab¨ †bUIqvK© ev Kw¤úDUv‡ii mv‡_ †bUIqvK©‡K hy³ Ki‡Z Pvb, Zvn‡j
†m‡ÿ‡Î wm‡÷g †Wv‡gBb †b‡gi cÖ‡qvRb n‡e| GB bvgwU Avcbvi cy‡iv cÖwZôvb ev
†Kv¤úvwb‡K Dc¯’vcb Ki‡e| †Kvb Kw¤úDUv‡ii cy‡iv AvBwc G¨v‡Wª‡mi cwie‡Z© H
Kw¤úDUv‡ii bvg e¨envi Kiv n‡Z cv‡i WvUv Av`vb-cÖ`v‡bi Rb¨| †jvKvj
†bUIqv‡K©i g‡a¨ cÖ‡Z¨K Kw¤úDUv‡ii Avjv`v Avjv`v bvg _vK‡Z n‡e| Z‡e GKB
bv‡g wfbœ wfbœ †bUIqv‡K©i GKvwaK Kw¤úDUvi _vK‡Z cv‡i| wKš‘ †bUIqvK© gv¯‹
wfbœ nevi Kvi‡Y mwVK Kw¤úDUv‡i WvUv/g¨v‡mR †cuŠQ‡Z †Kvb mgm¨v nq bv|
DB‡ÛvR Acv‡iwUs wm‡÷‡g wUwmwc/AvBwc wfwËK
†bUIqvK© KbwdMv‡ik‡bi wewfbœ avc t
wPÎ : †bUIqvK© Gc‡j‡U Local Area Network AvBKb|
01| DB‡ÛvR 2000 Acv‡iwUs wm‡÷‡g †bUIqvK© KvW© Bb÷j bv Kiv ch©šÍ Avcwb
†W·U‡c Aew¯’Z Network and Dial-Up Connection AvBK‡bi Aax‡b Local
Area Connection kxl©K AvBKbwU †`L‡Z cv‡eb bv| wm‡÷‡g hZ¸wj †bUIqvK©
KvW© Avcwb ¯’vcb Ki‡eb wVK ZZ¸‡jv Local Area Connection AvBKb †`Lv hv‡e
GLv‡b ( wPÎ )|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  51
wPÎ : Local Area Network AvBKb-Gi †cÖvcvwU©R DB‡Ûv|
02| Gevi Local Area Connection AvBK‡bi Dci gvD‡mi Wvb wK¬K K‡i cc-Avc
†gby¨ †_‡K Properties KgvÛ evUb wm‡j± Ki‡j GKwU DB‡Ûv cIqv hv‡e|
Connect Using †U·U e‡· Kw¤úDUv‡i Bb÷jK…Z †bUIqvK© Kv‡W©i bvg †`L‡Z
cv‡eb| †bUIqvK© Kv‡W©i wewfbœ †cÖvcvwU©R †mU Ki‡Z PvB‡j Configure evU‡b wK¬K
Kiæb|
wPÎ : †bUIqvK© KvW© KbwdMvi Kivi DB‡Ûv|
w
w
w
.fb.com
/tanbir.cox
52  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
03| hw` †bUIqvK© KvW©wU wm‡÷‡gi mv‡_ wVKg‡Zv KvR K‡i Zvn‡j Device Status-G
Avcwb The ddevice is working properly †jLvwU †`L‡Z cv‡eb| †bUIqvK© KvW©wU
wVKg‡Zv KvR bv Ki‡j Troubleshooter evU‡b wK¬K Kiæb| GB DB‡Ûv‡Z Avcwb
Kv‡W©i aib, Gi wbg©vZv Ges Kw¤úDUv‡ii †Kvb ¯ø‡U KvW©wU emv‡bv n‡q‡Q Zv †`L‡Z
cv‡eb|
wPÎ : GB DB‡Ûv †_‡K Avcwb †bUIqvK© Kv‡W©i WªvBfvi
Avc‡WU ev AvbBb÷j Ki‡Z cv‡ib|
04| †bUIqvK© Kv‡W©i †cÖvcvwU©R DB‡Ûvi Driver U¨v‡e wK¬K Ki‡j †h DB‡Ûv cv‡eb
†mwU Qwe‡Z †`Lv‡bv n‡jv| †bUIqvK© Kv‡W©i WªvBfviwU Avc‡WU ev AvbBb÷j
Kivi Ackb GLv‡b cv‡eb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  53
wPÎ : †bUIqv‡K©i wi‡mvm© †mwUs Ackbmg~n|
05| †bUIqvK© KvW© wm‡÷‡gi †Kvb AvBAviwKD (IRQ-Interrupt Request) bv¤^vi,
†ggwi †iÄ e¨envi Ki‡Q wK bv wKsev GwU Ab¨ †Kvb wWfvB‡mi mv‡_ Kbwd¬±
(Conflict) Ki‡Q wKbv Zv †`L‡Z PvB‡j Resource U¨v‡e wK¬K Kiæb| Av‡jvP¨
D`vni‡Y †bUIqvK© KvW©wU AvBAviwKD 9 e¨envi Ki‡Q Ges Conflict device
list e‡· †`Lv hv‡”Q GwU †Kvb wWfvB‡mi mv‡_ Kbwd¬± Ki‡Q bv|
wPÎ : ÷¨vUvm ev‡i †bUIqvK© AvBKb cÖ`k©‡bi Ackb †mwUs|
06| †bUIqvK© ms‡hv‡Mi Rb¨ †h mKj Dcv`vb e¨eüZ n‡q‡Q Zvi GKwU ZvwjKv
GLv‡b Avcwb †`L‡Z cv‡eb| GB DB‡Ûvi Show icon in task bar when
connected AckbwU‡Z wK¬K K‡i w`‡j Avcwb ÷¨vUvm ev‡i †bUIqvK© AvBKb
†`L‡Z cv‡eb| †bUIqv‡K© bZzb †Kvb K‡¤úv‡b›U †hvM Ki‡Z PvB‡j Install evU‡b
wK¬K Kiæb|
w
w
w
.fb.com
/tanbir.cox
54  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : †bUIqvK© K‡¤úv‡b›U †hvM Kivi wewfbœ Ackb|
07| †bUIqv‡K© †h K‡¤úv‡b›UwU Avcwb Bb÷j Ki‡eb †mwU wm‡j± K‡i OK evU‡b
wK¬K Kiæb| G‡ÿ‡Î Protocol K‡¤úv‡b›U wm‡j± Kiv n‡q‡Q|
wPÎ : †bUIqvK© †cÖv‡UvKj Bb÷j Kivi DB‡Ûv|
08| Select Network Protocol DB‡Ûv‡Z Avcwb Kvw•ÿZ †cÖv‡UvKjwU wm‡j± K‡i
†mwU Bb÷j Kivi Rb¨ OK evU‡b wK¬K Kiæb| ZvwjKv‡Z Kvw•ÿZ †cÖv‡UvK‡ji
bvg bv _vK‡j Have Disk evU‡b wK¬K K‡i d¬wc wW¯‹ ev wmwW †_‡K Avcwb
mn‡RB evB‡ii †Kvb †cÖv‡UvKj Bb÷j K‡i wb‡Z cv‡ib|
wPÎ : †bUIqvK© K¬v‡q›U wn‡m‡e †bUIq¨vi †hvM Kiv n‡”Q|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  55
09| †cÖv‡UvK‡ji g‡ZvB Avcwb Client Ack‡b wK¬K K‡i Select Network Client
DB‡Ûv †_‡K Kvw•ÿZ K¬v‡q›UwU‡K †bUIqv‡K© †hvM K‡i wb‡Z cv‡ib|
wPÎ : j¨vb ms‡hv‡Mi ÷¨vUvm A_©vr KZK¸‡jv c¨v‡KU Av`vb cÖ`vb n‡q‡Q Zv †`Lv hv‡”Q|
10| j¨vb ms‡hv‡Mi ÷¨vUvm †`L‡Z PvB‡j Avcwb ÷¨vUvm ev‡ii
†bUIqvK© AvBKbwU‡Z Wvej wK¬K Ki‡Z cv‡ib| GB
DB‡Ûv‡Z Avcwb †bUIqvK© Kv‡W©i gva¨‡g †cÖwiZ,
M„nxZ WvUv c¨v‡K‡Ui cwimsL¨vb, ms‡hvM ¯’vc‡bi
mgqKvj, WvUv UªvÝdvi MwZ (Av‡jvP¨ D`vni‡Y 1000
GgwewcGm) BZ¨vw` cwimsL¨vb Avcwb †`L‡Z cv‡eb|
wPÎ : ÷¨vUvm ev‡ii †bUIqvK© AvBK‡bi e¨envi|
w
w
w
.fb.com
/tanbir.cox
56  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
11| ÷¨vUvm ev‡i †bUIqvK© AvBK‡bi Dci gvDm wb‡j
†bUIqv‡K© WvUv UªvÝdvi MwZ, †cÖwiZ, M„nxZ WvUv
c¨v‡K‡Ui msL¨v †`Lv hv‡e|
wPÎ : Hardware Wizard AckbwU GB DB‡Ûv‡Z †`Lv hv‡e|
12| Kw¤úDUv‡i †bUIqvK© KvW© Bb÷j Kivi ci Avcwb hw`
†mwU Network and Dial-Up connection Gi g‡a¨ †Kvb Local Area
Connection AvBKb †`L‡Z bv cvb Zvn‡j eyS‡Z n‡e wm‡÷g
†bUIqvK© KvW© mbv³ Ki‡Z cvi‡Q bv| GgZe¯’vq †W·U‡c
Aew¯’Z My Computer AvBKbwU wm‡j± K‡i gvD‡mi Wvb
evUbwU‡Z wK¬K Kiæb| Gevi Properties bvgK cc-Avc †gby¨
wm‡j± Kiæb| G ch©v‡q †bUIqvK© KvW©wU wPwýZ Kivi
Rb¨ Avcwb Hardware Wizard evU‡b wK¬K Kiæb| Hardware
Wizard-wU Avcwb Start Setting Control Panel Add New
Hardware †_‡KI Pvjy Ki‡Z cv‡ib|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  57
wPÎ : nvW©Iq¨vi wWfvBm ZvwjKvq Network Adapter Av‡Q wKbv Zv wbwðZ n‡q wbb|
13| DBRv‡W©i G ch©v‡q Avcwb wWfvBm ZvwjKvq Network Adapters bv †`L‡Z †c‡j
Next evU‡b wK¬K Kiæb|
wPÎ : Hardware Type DB‡Ûv‡Z Network adapters AckbwU wm‡j± Kiv n‡q‡Q|
14| Gevi Hardware Type DB‡Ûv‡Z Network adapters wm‡j± K‡i Avev‡iv Next
evU‡b wK¬K Kiæb|
w
w
w
.fb.com
/tanbir.cox
58  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ t Select Network Adapter DB‡Ûv‡Z Avcbvi wcwm‡Z Bb÷jK…Z h_vh_ †bUIqvK©
KvW©wU wm‡j± Kiæb|
15| Av‡jvP¨ D`vni‡Y 3Com wbwg©Z †bUIqvK© KvW© e¨eüZ
n‡q‡Q| G Kvi‡Y Select Network Adapter DB‡Ûv‡Z Manufactures
ZvwjKv †_‡K 3Com Ges Network Adapter ZvwjKv †_‡K h_vh_
GWvÞviwU wm‡j± K‡i Next evU‡b wK¬K Kiæb| wm‡÷g
mdUIq¨vi †bUIqvK© Kv‡W©i WªvBfvi Luy‡R bv †c‡j
†bUIqvK© Kv‡W©i mv‡_ Avmv wmwW A_ev d¬wc wW·
h_vh_ WªvB‡f ¯’vcb K‡i Next evU‡b wK¬K Kiæb| Gevi
h_vh_ WªvBfviwU wPwýZ Kiæb| G ch©v‡q WªvBfvi Bb÷j
†kl n‡j wm‡÷g cybivq Pvjy Kiæb| †bUIqvK© KvW©
me©‡kl g‡W‡ji n‡j DB‡ÛvR 2000 wbR †_‡KB †mwU
wPwýZ K‡i wb‡e| GRb¨ Avjv`v †Kvb WªvBfvi Bb÷j Kivi
cÖ‡qvRb †bB|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  59
wPÎ : Avcwb Device Manager-G m`¨ Bb÷j Kiv KvW©wU †`L‡Z cv‡eb|
16| wm‡÷g †bUIqvK© KvW©wU h_vh_fv‡e wPwýZ Ki‡Z †c‡i‡Q wK bv Zv cixÿv Kivi
Rb¨ Avcwb System Properties DB‡Ûv‡Z wd‡i Avmyb| Gevi Device Manager
evU‡b wK¬K Kiæb| Avcwb wm‡÷‡g Bb÷jK…Z wWfvBm ZvwjKvi g‡a¨ Network
Adapters Gi Aax‡b †bUIqvK© KvW©wUi bvg †`L‡Z cv‡eb|
wPÎ : ÷¨vUvm ev‡ii µm wPý wb‡`©k K‡i †bUIqv‡K©i †Kvb wdwRK¨vj K‡¤úv‡b‡›U mgm¨v
†`Lv w`‡q‡Q|
17| wm‡÷g †Kvb Kvi‡Y †bUIqvK© KvW© wVKg‡Zv wPb‡Z bv cvi‡j A_ev †bUIqvK©
Kv‡W©i WªvBfvi, K¨vej Kv‡bKUi ev K¨ve‡j †Kvb mgm¨v †`Lv w`‡j ÷¨vUvm ev‡i
†bUIqvK© AvBK‡b Dc‡ii wP‡Îi g‡Zv GKwU µm wPý †`L‡Z cv‡eb|
w
w
w
.fb.com
/tanbir.cox
60  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : wUwmwc/AvBwc †cÖvcvwU©R DB‡Ûv AvBwc G¨v‡Wªm, mve‡bU gv¯‹, †MUI‡q BZ¨vw` Z_¨ Gw›Uª w`b|
18| †bUIqvK© Kv‡W©i Rb¨ AvBwc G¨v‡Wªm Gw›Uª w`‡Z
PvB‡j Internet Protocol (TCP/IP) wm‡j± K‡i Gevi Properties
evU‡b wK¬K Kiæb| Gevi IP address Ack‡b 147.111.123.5
Gw›Uª w`b| †h‡nZz GwU K¬vk we AvBwc G¨v‡Wªm ZvB
Gi Rb¨ mve‡bU gv‡¯‹ Gw›Uª w`b 255.255.0.0| mve‡bU
gv‡¯‹ †Kvb Gw›Uª bv w`‡jI wm‡÷g wbR †_‡K GwU
m¤úbœ Ki‡e| Avcbvi IqvK©‡÷kbwU hw` wWGBPwmwc
mvf©vi e¨envi K‡i Zvn‡j Avcwb g¨vbyqvjx †Kvb AvBwc
G¨v‡Wªm Gw›Uª w`‡eb bv| ïay gvÎ Obtain an IP address
automatically AckbwU wm‡j± Ki‡eb| wWGBPwmwc mvf©vi
wbR †_‡KB Avcbv‡K IqvK©‡÷kbwU‡K AvBwc G¨v‡Wªm
eivÏ cÖ`vb Ki‡e| Avcbvi IqvK©‡÷kb ev †nv‡÷i G¨v‡Wªm
†iR¨y‡jk‡bi Rb¨ wWGbGm mvf©v‡ii AvBwc G¨v‡Wªm
Preferred DNS Server Gi N‡i Gw›Uª w`‡Z cv‡ib| Avcwb hw`
GK mve‡bU †_‡K Ab¨ mve‡b‡Ui AvIZvaxb †Kvb
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  61
IqvK©‡÷k‡bi mv‡_ †hvMv‡hvM Ki‡Z Pvb Zvn‡j Default
gateway ivDUv‡ii AvBwc G¨v‡Wªm Gw›Uª w`b|
wPÎ (K)
19 (K): Advanced wUwmwc/AvBwc †mwUs DB‡Ûv †_‡K AvBwc G¨v‡Wªm Ges †MUI‡q
†mwUs c×wZ|
wPÎ (L)
19 (L): †MUI‡q Kw¤úDUv‡ii AvBwc G¨v‡Wªm Add evU‡b wK¬K K‡i †hvM Kiv n‡”Q|
TCP (IP) Gi AvIZvq Properties e‡·i Advanced evU‡b wK¬K K‡i DNS, WINS
mvf©v‡ii G¨v‡Wªm Ges Metric Gi N‡i Gw›Uª w`‡Z cv‡ib| wPÎ 19(K) Ges 19(L) G Gw›Uª
cÖwµqvwU †`Lv‡bv n‡jv|
w
w
w
.fb.com
/tanbir.cox
62  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : SURECOM bvgK †bUIqvK© KvW©-Gi mv‡_ wUwmwc/AvBwc †cÖv‡UvK‡ji mgš^q|
20| aiæb, DB‡ÛvR 98 Acv‡iwUs wm‡÷‡g SURECOM bvgK †bUIqvK© KvW© Bb÷j
Kiv n‡q‡Q| †bUIqvK© KvW©wU wUwmwc/AvBwc †cÖv‡UvKj e¨envi K‡i KvR Ki‡Z
cvi‡e wK bv Zv cixÿv K‡i †`Lvi Rb¨ Start Setting Control Panel n‡q
Network AvBK‡b Wvej wK¬K Kiæb| hw` †bUIqvK© K‡¤úv‡b›U ZvwjKvq TCP/IP
Ack‡b SURECOM bvgwU †`L‡Z cvb Zvn‡j Avcwb G wel‡q wbwðZ n‡Z
cvi‡eb|
wPÎ : wUwmwc/AvBwc †cÖv‡UvKj e¨envi Ki‡e G ai‡bi K‡¤úv‡b›U †hvM Kiv n‡”Q|
21| DB‡ÛvR 98 Acv‡iwUs wm‡÷‡g wewfbœ †bUIqvK©
mvwf©m ev K‡¤úv‡b›U Ackb‡K wUwmwc/AvBwcÕi mv‡_
Ave× ev evBwÛs K‡i †`qv nq| evBwÛs Kivi cÖwµqvwU
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  63
wUwmwc/AvBwc †cÖvcvwU©R WvqvjM e‡·i gva¨‡g
†`Lv‡bv n‡jv| (wPÎ )
wPÎ : †bUIqvK© †nv÷‡K IqvK©MÖæc ev †Wv‡gB‡bi Ask wn‡m‡e wPwýZ Kiv n‡”Q|
22| G ch©v‡q †bUIqv‡K© Avcbvi Kw¤úDUviwU‡K cwiwPZ Kivi Rb¨ My computer
AvBK‡b gvD‡mi Wvb wK¬K K‡i cc-Avc †gby¨ †_‡K Properties KgvÛ wm‡j±
Kiæb| Gevi Network Identification U¨vewU wm‡j± Kiæb| GB DB‡Ûv‡Z
Computer name Gi e‡· Avcbvi Kw¤úDUv‡ii GKwU bvg (G‡ÿ‡Î ac1) Ges
Avcwb †h IqvK©MÖæ‡ci AvIZvq _vK‡Z Pvb Zvi bvg (G‡ÿ‡Î SICT)
Workgroup Ack‡b Gw›Uª w`b| Avcbvi †bUIqv‡K© hw` †Kvb †Wv‡gBb K‡›Uªvjvi
_v‡K, Zvn‡j Domain AckbwU wm‡j± K‡i †Wv‡gB‡bi bvg Gw›Uª w`b| Gevi OK
evU‡b wK¬K Kiæb|
w
w
w
.fb.com
/tanbir.cox
64  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : †cÖvcvwU©R evU‡b wK¬K K‡i Avcwb Kw¤úDUvi bvg Ges IqvK©MÖæc cwieZ©b Ki‡Z
cv‡ib| |
23| G ch©v‡q Dc‡ii WvqvjM e‡· Avcbvi Kw¤úDUv‡ii bvg Ges wbe©vwPZ
IqvK©MÖæ‡ci bvg wjL‡Z cv‡ib| Kw¤úDUv‡ii bvg I IqvK©MÖæ‡ci Ackb cwieZ©b
Ki‡Z PvB‡j cybivq Properties evU‡b wK¬K Kiæb|
DB‡ÛvR G·wc-†Z †bUIqvK© †mUAvc cÖwµqv t
DB‡ÛvR G·wc‡Z †bUIqvK© †mUAvc Kivi †ek K‡qKwU c×wZ Av‡Q| cÖ_gZ: Avcwb
StartControl PanelNetwork Connections ‡_‡K †bUIqvK© †mUAvc cÖwµqv ïiæ
Ki‡Z cv‡ib| wØZxqZ: ÷¨vUvm ev‡i Aew¯’Z †bUIqvK© AvBKb †_‡KI Avcwb †bUIqvK©
†mUAvc cÖwµqv Avi¤¢ Ki‡Z cv‡ib|
1) G ch©v‡q Avcwb Network Connections DB‡Ûv‡Z wK¬K Kiæb| Zvn‡j wb‡Pi New
Connection Wizard †`‡L‡Z cv‡eb| G DBRv‡W©i mvnv‡h¨ Avcwb wZbwU KvR Ki‡Z
cv‡ib| cÖ_gZ: Gi mvnv‡h¨ Avcwb B›Uvi‡b‡Ui mv‡_ mshy³ n‡Z cv‡ib| wØZxqZ: j¨vb ev
Avcbvi Kg©‡ÿ‡Î we`¨vb †Kvb †bUIqv‡K© mshy³ nIqv hvq Ges me‡k‡l G DBRv‡W©i
mvnv‡h¨ Avcwb †nvg ev ¯§j Awdm †bUIqvK© †mcAvc Kiv hv‡e| G ch©v‡q Next evU‡b
wK¬K Kiæb|
2) Avcbvi bZzb ms‡hv‡Mi aib wK n‡e Zv Gevi wb‡Pi DB‡Ûv Network Connection
Type †_‡K wm‡j± K‡i wbb| GLv‡b Avcwb ms‡hv‡Mi Rb¨ PviwU Ackb cv‡”Qb| cÖ_g
AckbwU B›Uvi‡b‡U ms‡hv‡Mi Rb¨, wØZxqwU Wvqvj-Avc ev wfwcGb (fvP©yqvj cÖvB‡fU
†bUIqvK©) Gi mvnv‡h¨ Ab¨ †Kvb ¯’v‡b Aew¯’Z cÖvB‡fU †bUIqv‡K© mshy³ nIqvi Rb¨,
Z…Zxq AckbwU we`¨gvb †Kvb ‡nvg ev ¯§j Awdm †bUIqvK© Gi mv‡_ mshy³ nIqvi Rb¨
ev bZzb †Kvb ‡nvg ev ¯§j Awdm †bUIqvK© †mUAv‡ci Rb¨ Ges me©‡kl AckbwU
GWfvÝW ms‡hvM †hgb wmwiqvj,c¨vivjvj ev Bbdªv‡iW †cv‡U©i gva¨‡g mivmwi Ab¨
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  65
Kw¤úDUv‡ii mv‡_ mshy³ Kivi Rb¨ e¨envi Kiv hvq A_ev Ab¨ †Kvb Kw¤úDUvi hv‡Z
mivmwi G Kw¤úDUv‡ii mv‡_ mshy³ n‡Z cv‡i †m e¨e¯’v K‡i _v‡K| GWfvÝW Kv‡bKkb
Ackb ev me©‡kl AckbwU wm‡j± K‡i Gevi Next evU‡b wK¬K Kiæb|
3) Avcwb hw` Ab¨ †Kvb Kw¤úDUvi‡K mivmwi Avcbvi Kw¤úDUv‡i mshy³ nIqvi AbygwZ
cÖ`vb Ki‡Z Pvb Zvn‡j Advanced Connection OptionsÑDB‡Ûv‡Z Accept incoming
connections AckbwU wm‡j± Kiæb Ges Next evU‡b wK¬K Kiæb|
w
w
w
.fb.com
/tanbir.cox
66  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
4) Gevi Avcbvi Kw¤úDUv‡i †h wWfvB‡mi gva¨‡g ms‡hvM ¯’vwcZ n‡e Zv Devices for
Incoming Connections DBRvW© †_‡K wm‡j± Kiæb| Gÿ‡Î Avgiv Direct Parallel
‡cvU© wm‡j± K‡iwQ| Gevi Next evU‡b wK¬K Kiæb|
5) G ch©v‡q evB‡ii Kw¤úDUviwU Avcbvi Kw¤úDv‡i fvP©yqvj
cÖvB‡fU †bUIqvK© e¨envi K‡i cÖ‡ek Ki‡Z cvi‡e wKbv Zv
wm‡j± Kiæb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  67
6) Avcbvi Kw¤úDUv‡i ïay †Kvb †Kvb BDRvi cÖ‡e‡ki Aby‡gv`b cv‡e Zv User
Permissions †_‡K P~ovšÍ K‡i wbb|
7) User Permissions DB‡Ûv‡Z †Kvb BDRvi wm‡j± K‡i Gici Properties evU‡b
wK¬K K‡i Avcwb BDRv‡ii Kje¨vK bv¤^vi GLv‡b †mU Ki‡Z cv‡ib|
w
w
w
.fb.com
/tanbir.cox
68  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
8) BDRvi ev Kjvi (Caller) hv‡Z Avcbvi Kw¤úDUv‡i wbwe©‡Nœ cÖ‡ek Ki‡Z cv‡i
†mRb¨ BDRv‡ii Dc‡hvMx †bUIqvwK©s mdUIq¨vi wm‡j± K‡i w`b|
9) BDRvi hw` wUwmwc/AvBwcÕi gva¨‡g mivmwi Avcbvi Kw¤úDUv‡i ms‡hvM wb‡Z Pvq
Zvn‡j †bUIqvwK©s mdUIq¨vi Gi AvIZvq Properties evU‡b wK¬K Kiæb| GLv‡b
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  69
†bUIqv‡K© cÖ‡e‡ki Aby‡gv`bmn wUwmwc/AvBwc Ab¨vb¨ c¨vivwgUvi¸‡jv h_vh_fv‡e
KiwdMvi K‡i wbb|
10) G ch©v‡q Avcbvi Kw¤úDUviwU mivmwi Ab¨ †Kvb Kw¤úDUi
‡_‡K BbKvwgs WvUv MÖn‡Yi Rb¨ cÖ¯‘Z n‡q wM‡q‡Q|
11) Gevi Avcwb Network Connections Gi Aax‡b Incoming Connections AvBKbwU
†`L‡Z cv‡eb| cÖ‡qvRb‡ev‡a Avcwb Incoming Connections AvBKbwU‡Z gvD‡mi Wvb
wK¬K K‡i Gi †cÖvcvwU©R¸‡jv cwieZ©b K‡i wb‡Z cv‡i|
w
w
w
.fb.com
/tanbir.cox
70  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
12) †bUIqvK©fy³ Ab¨ †Kvb Kw¤úDUv‡ii wi‡mvm© †kqvwis Gi Rb¨ G‡Z cÖ‡ek Ki‡Z
PvB‡j Advanced Connection Options Gi Aaxb Gevi Avcwb Connect directly to
another computer AckbwU wm‡j± Kiæb| G ch©v‡q Next evU‡b wK¬K Kiæb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  71
13) Avcbvi Kw¤úDUviwU †nv÷ bv †M÷ n‡e Zv Host or Guest DB‡Ûv †_‡K wm‡j±
K‡i w`b| GLv‡b D‡jøL¨ †h, †nv÷ Kw¤úDUvi wi‡mvm© aviY K‡i, Ab¨w`‡K †M÷
Kw¤úDUvi †nv÷ Kw¤úDUv‡i Aew¯’Z wi‡mvm©mg~n †kqvi K‡i| Gevi Next evU‡b
wK¬K Kiæb|
14) ms‡hvM ¯’vc‡bi Rb¨ Avcwb †Kvb wWfvBm ev †cvU© e¨envi Ki‡eb Zv
Connection Device DB‡Ûv †_‡K wm‡j± K‡i wbb|
15) Gevi †h mKj †M÷ ev BDRvi Avcbvi †nv÷ Kw¤úDUv‡i hy³ n‡Z cvi‡e Zv‡`i
ZvwjKv Avcwb User Permissions DB‡Ûv †_‡K wbw`©ó K‡i w`‡Z cv‡ib|
w
w
w
.fb.com
/tanbir.cox
72  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
16) Gevi ‡M÷ Kw¤úDUvi KbwdMvi Kivi Rb¨ Guest AckbwU wm‡j± Kiæb|
17) Gevi †h †nv÷ Kw¤úDUv‡ii mv‡_ hy³ n‡Z Pvb Zvi bvg Connection Name
DB‡Ûv‡Z D‡jøL K‡i wbb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  73
18) Avcbvi Kg©¯’‡ji †Kvb Kw¤úDUv‡ii mv‡_ ms‡hvM ¯’vc‡bi Rb¨ Network
Connection Gi Aaxb Virtual Private Network connection AckbwU wm‡j±
Ki‡Z cv‡ib|
19) G ms‡hvMwUi GKwU bvg Avcwb wbw`©ó K‡i w`‡Z cv‡ib Company Name bvgK
e‡·| G †ÿ‡Î Avgiv ms‡hv‡Mi bvg wn‡m‡e ITCOM Gw›Uª w`‡qwQ|
w
w
w
.fb.com
/tanbir.cox
74  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
20) Gevi VPN Server Selection DB‡Ûv‡Z †h wfwcGb mvf©v‡ii mv‡_ Avcwb
ms‡hvM ¯’vcb Ki‡Z hv‡”Qb Zvi bvg ev AvBwc G‡Wªm Gw›Uª w`b| G‡ÿ‡Î Avgiv
wfwcGb mvf©v‡ii AvBwc G‡Wªm wn‡m‡e 191.168.100.101 Gw›Uª w`‡qwQ|
21) G ch©v‡q ms‡hvM ¯’vc‡bi cÖwµqv m¤úbœ n‡j Avcwb wb‡Pi wP‡Îi g‡Zv GKwU
DB‡Ûv †`L‡Z cv‡eb|
22) Gevi Avcwb m`¨ KbwdMviK…Z wfwcGb ms‡hvMwU mwµq ev e¨envi Ki‡Z PvB‡j
Network Connections DB‡Ûv †_‡K VPN mswkøó AvBKbwU‡Z Wvej wK¬K K‡i
ms‡hvM cÖwµqv Pvjy Kiæb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  75
†nvg ev ¯§j Awdm Gi Rb¨ †bUIqvK© †mUAvc DBRvW©
(Network Setup Wizard for Home or Small Office) t
1| DB‡ÛvR G·wcÕi Network Connections DB‡Ûv‡Z Aew¯’Z Setup a home or
small office network kxl©K DBRvW©wU e¨envi K‡i Avcwb Lye mn‡RB ‡bUIqvK© †mc
Avc Gi KvRwU m¤úbœ Ki‡Z cv‡ib| G AvBKbwU‡Z wK¬K Ki‡j †mUAvc DBRvW©wU
Avcbvi mvg‡b Avm‡e Ges G ch©v‡q Avcbv‡K DBRvW© Rvbv‡e †h Gi mvnv‡h¨ B›Uvi‡bU
ms‡hvM †kqvi, B›Uvi‡bU dvqviIqvj †mUAvc, dvBj, ‡dvìvi Ges wcÖ›Uvi †kqvwis Gi
g‡Zv KvR¸‡jv m¤úbœ Ki‡Z mÿg n‡eb| G KvR¸‡jv Kivi Rb¨ Avcwb Next evU‡b wK¬K
Kiæb|
2| Avcbvi Kw¤úDUv‡i †bUIqvK© KvW©, g‡Wg, K¨vej BZ¨vw`
Bb÷j Kiv n‡q‡Q wKbv, Kw¤úDUvi,wcÖ›Uvi, G·Uvb©vj
g‡Wg Ab Kiv n‡q‡Q wKbv, G Qvov Avcbvi Kw¤úDUvi
B›Uvi‡b‡Ui mv‡_ mshy³ wKbv Zv cixÿv K‡i †`Lvi Rb¨
w
w
w
.fb.com
/tanbir.cox
76  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
Avcbv‡Z Aby‡iva Kiv n‡e| G welq¸‡jv cixÿv K‡i Gevi Next
evU‡b wK¬K Kiæb|
3| G ch©v‡q Select a connection method DB‡Ûv‡Z Avcbvi Kw¤úDUvi Z_v
†bUIqv‡K©i ÷vUvm ev Ae¯’vb Abyhvqx ms‡hvM AckbwU †e‡Q wbb Ges Next
evU‡b wK¬K Kiæb|
K) D`vniY¯^iƒc cÖ_g AckbwU‡Z ejv n‡q‡Q Avcbvi Kw¤úDUviwU mivmwi B›Uvi‡b‡Ui
mv‡_ mshy³ Ges†bUIqv‡K©i Ab¨vb¨ Kw¤úDUvi G Kw¤úDUv‡ii gva¨‡gB B›Uvi‡b‡Ui mv‡_
hy³ n‡e| G ai‡bi GKwU †mUAvc wb‡Pi wP‡Î †`Lv‡bv n‡jv| Avcbvi Kw¤úDUv‡ii
Ae¯’vb G iKg n‡j cÖ_g AckbwU wm‡j± K‡i Next evU‡b wK¬K Kiæb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  77
L) Dc‡ii cÖwµqv Ab¨vb¨ Ack¸‡jv cixÿv K‡i †`Lyb| Z…Zxq
AckbwU‡Z Avcwb †`L‡Z cv‡eb, Avcbvi Kw¤úDUviwU †bUIqvK©
nve Ges K¨vej g‡W‡gi gva¨‡g nq‡Zv B›Uvi‡b‡Ui mv‡_ mshy³
n‡e| G ai‡bi GKwU †mUAvc Ackb wb‡Pi Qwe‡Z †`Lv‡bv n‡jv|
Avcbvi Kw¤úDUvi Ges †bUIqv‡K©i aib, Ae¯’vb Ges G‡Z
B›Uvi‡b‡Ui ms‡hv‡Mi cÖwµqv cixÿv K‡i ‡bUIqvK© †mUAvc
DBRv‡W©i h_vh_ AckbwU †e‡Q wbb Ges DBRv‡W©i wb‡`©kiv
Abymi‡Y cieZx© †mUAvc¸‡jv m¤úbœ Kiæb|
w
w
w
.fb.com
/tanbir.cox
78  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
4| †bUIqv‡K© Avcbvi Kw¤úDUvi‡K kixK Kiv‡Z PvB‡j Gi Rb¨ Aek¨B GKwU bvg
Ges GKwU mswÿß eY©bv w`‡Z n‡e| G KvRwU Ki‡Z n‡e Give this computer a
description and name DB‡Ûv †_‡K|
5| Kw¤úDUv‡ii bv‡gi cvkvcvwk †bUIqv‡K©i bvgI wbw`©ó K‡i w`‡Z n‡e| GKwU
†bUIqv‡K©i AvIZvq mg¯Í Kw¤úDUv‡ii Rb¨ GKwU Awfbœ †bUIqvK© bvg _vK‡Z
n‡e| IqvK©MÖæc wPwýZ Kivi gva¨‡g g~jZ: †bUIqvK© bvg wba©viY Kiv nq|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  79
6| G ch©v‡q †mUAvc DBRvW© Avcbvi †_‡K cÖvß Z_¨vw`i
wfwˇZ †bUIqvK© †mUAvc ev KbwdMv‡ikb Gi KvR¸‡jv
m¤úbœ Ki‡e| G cÖwµqv m¤úbœ Kivi Rb¨ K‡qK wgwbU
mg‡qi cÖ‡qvRb n‡Z cv‡i|
7| Avcwb †bUIqvK© ‡mUAvc cÖwµqvi cÖvq †kl ch©v‡q|
Avcbvi †bUIqv‡K©i AvIZvq †h mKj Kw¤úDUv‡i DB‡ÛvR
G·wc Acv‡iwUs wm‡÷g †bB, †m me Kw¤úDUv‡i G
†bUIqvK© †mUAvc DBRvW© Pvjv‡Z n‡j Avcwb DB‡ÛvR
G·wc wmwW ev †bUIqvK© †mUAvc wW¯‹ e¨envi Ki‡Z
cv‡ib| †bUIqvK© †mUAvc wW¯‹ ˆZwii Rb¨ cÖ_g AckbwU
wmj‡± Kiv n‡jv|
w
w
w
.fb.com
/tanbir.cox
www.facebook.com/tanbir.cox
80  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
8| Gevi †h d¬wc wW¯‹‡K †mUAvc wn‡m‡e ˆZwi Ki‡Z PvB †mwU d¬wc wW¯‹ WªvB‡f
¯’vcb Ki‡Z n‡e| cÖ‡qvRbxq G wW¯‹wU dig¨vU K‡i wb‡Z n‡e|
9| DB‡ÛvR G·wc wmwW †_‡K DBRvW©wU Pvjv‡Z n‡j wmwWwU †bUIqv‡K©i Ab¨vb¨
Kw¤úDUv‡ii wmwW WªvB‡f ¯’vcb Kiæb| Gi Perform additional tasks Gi
AvIZvq Set up home or small office networking AckbwU‡Z wK¬K K‡i
Bb÷j cÖwµqv ïiæ Kiæb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  81
10| d¬wc wW¯‹ †_‡K †bUIqvK© †mUAvc DBRvW© Pvjy Ki‡Z PvB‡j, cÖ_‡g wW¯‹wU
Kw¤úDUv‡ii d¬wc WªvB‡f ¯’vcb Kiæb| Gevi d¬wc wW‡¯‹i netsetup dvB‡ji Ici
Wvej wK¬K K‡i Bb÷‡jkb cÖwµqv ïiæ Kiæb|
11| G ch©v‡q †bUIqvK© †mUAvc-Gi KvR †kl n‡e| Avcwb Finish K¬K K‡i †mUAvc
cÖwµqv m¤úbœ Kiæb|
w
w
w
.fb.com
/tanbir.cox
82  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
DB‡ÛvR G·wc‡Z B›Uvi‡bU ms‡hvM c×wZ t
DB‡ÛvR G·wc Acv‡iwUs wm‡÷‡g B›Uvi‡b‡Ui mv‡_ mshy³ nIqvi Rb¨ Network
Connections ‡_‡K New Connection Wizard Pvjy Ki‡j B›Uvi‡b‡U mshy³ nIqvi Rb¨
wb‡æv³ Ackbmg~n cv‡eb| G Ackb¸‡jv n‡”Q: (K) Wvqvj-Avc c×wZi mvnv‡h¨| G‡ÿ‡Î
cÖPwjZ †dvb jvBb (PSTN) ev AvBGmwWGb(ISDN) jvBb Ges Gi m‡½ mswkøó g‡Wg
e¨envi Kiv nq| (L) eªWe¨vÛ ms‡hvM †hgb wWGmGj ev K¨vej g‡W‡gi mvnv‡h¨ †hLv‡b
BDRvi †bg Ges cvmIqvW© cÖ‡qvRb nq Ges (M) wWGmGj ev K¨vej g‡W‡gi mvnv‡h¨
eªWe¨vÛ ms‡hvM †hLv‡b BDRvi †bg Ges cvmIqvW© cÖ‡qvRb nq bv| G ai‡Yi ms‡hv‡M
Avcbvi Kw¤úDUvi me©`vB Ab-jvB‡b _vK‡e Ges B›Uvi‡b‡U mshy³ nIqvi Rb¨ G‡ÿ‡Î
jM-Bb Kivi cÖ‡qvRb nq bv|
ms‡hvM ¯’vc‡bi Rb¨ Avcwb K‡qKwU Ackb cv‡eb| Z‡e wb‡Pi
wPÎ Abyhvqx Avgv‡`i Rb¨ wØZxq Ges Z…Zxq AckbwU cÖ‡hvR¨
n‡e| Avcwb g¨vbyqvwj ms‡hvM KbwdMvi Ki‡Z PvB‡j AvBGmwc
Aby‡gvw`Z BDRvi †bg, cvmIqvW©, †dvb bv¤^vi BZ¨vw` wb‡Ri
†_‡KB Gw›Uª w`‡Z n‡e| Avi hw` AvBGmwc A‡Uv‡gwUK
ms‡hvM KbwdMvi Rb¨ †Kvb †mUAvc wmwW mieivn K‡i Zvn‡j G
†mUAvc wmwW †_‡K ms‡hvM cÖwµqv AwZ mn‡RB m¤úbœ
K‡i wb‡Z cv‡ib|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  83
Wvqvj Avc c×wZ‡Z B›Uvi‡bU ms‡hvM †mUAvc cÖwµqvq
Avcwb GWfvÝW Wvqvj Avc DB‡Ûv‡Z wM‡q wbw`©ó K‡i w`‡Z
cv‡ib KZ evi AvBGmwci mvf©v‡ii mv‡_ mshy³ nevi Rb¨ Wvqvj
Ki‡e| GQvov `y‡Uv Wvqvj Avc cÖ‡Póvi ga¨eZx© mg‡qi e¨eavb
KZUzKz n‡e †mwUI GLvb †_‡K wba©viY Ki‡Z cv‡ib| Avcbvi
Kw¤úDUvi mvf©v‡i mshy³ nevi ci KZ mgq Ajm ev wbw®Œq
_vK‡j ms‡hvMwU Avcbv Avcwb wew”Qbœ n‡e †mwUI GB
DBRvW© †_‡K †mU Ki‡Z cv‡ib|
w
w
w
.fb.com
/tanbir.cox
84  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†bUIqvK© wi‡mvm© †kqvwi
Network Resource Sharing
nvW© wW¯‹, †WUv I dvB‡ji g‡Zv wcÖ›UviI GK ai‡bi †bUIqvK©
wi‡mvm©| †bUIqv‡K© wcÖ›Uvi Ab¨vb¨ wcwmÕi gZB GKwU
†nv÷ Ges †nv÷ wn‡m‡e wcÖ›Uv‡ii GKwU AvBwc wVKvbv
Av‡Q| AvBwc wVKvbvi gva¨‡g †bUIqv‡K©i Ab¨vb¨ mvf©vi Ges
K¬v‡q›U wcÖ›Uv‡i wcÖ›U Re (Print Job) cvwV‡q _v‡K|
gvB‡µvmdU DB‡ÛvR 2000,GbwU (NT)mn Ab¨vb¨ mKj
†bUIqvK© Acv‡iwUs wm‡÷g †bUIqv‡K©i mvf©vi I K¬v‡q‡›Ui
Rb¨ wcÖ›U mvwf©m wbwðZ K‡i _v‡K|
wcÖ›Uvi †mUAvc Ges †kqvi (Printer Setup
and Share)
DB‡ÛvR wfwËK wcÖw›Us mv‡cvU© Ki‡Z Avcwb GKwU
Kw¤úDUvi‡K †Wwf‡K‡UW wcÖ›U mvf©vi (Dedicated Print Server)
wn‡m‡e e¨envi Ki‡Z cv‡ib| we‡kl K‡i eo eo cÖwZôv‡bi
†cÖvWvKkb G›UvicÖvBR cwi‡e‡k †hLv‡b e¨vcK cwigvb
wcÖw›Us Pvwn`v Av‡Q †m mg¯Í †ÿ‡Î †WwW‡K‡UW wcÖ›U
mvf©vi e¨envi Avek¨K| †QvU ev gvSvwi AvKv‡ii cÖwZôvb
†hLv‡b wcÖw›Us Pvwn`v Lye e¨vcK bq †m mKj †ÿ‡Î GKwU
mvf©vi‡KB dvBj Ges wcÖ›U mvf©vi wn‡m‡e e¨envi Kiv hvq|
GLv‡b D‡jøL Kiv cÖ‡qvRb wcÖ›U mvf©vi wn‡m‡e DB‡ÛvR
2000 mvf©vi Ab¨vb¨ DB‡ÛvR, g¨vwK‡›Uvm, †bUIq¨vi Ges
BDwb· Acv‡iwUs wm‡÷‡gi K¬v‡q›U mn‡RB mv‡cvU© K‡i|
‡bUIqvK© wcÖw›Us Gi Rb¨ AZ¨šÍ ¸iæZ¡c~Y© `ywU Dcv`vb n‡”Q
wm‡÷‡gi †ggix (Memory) Ges nvW© wW· †¯úm (Hard Disk Space)
| WKz‡g›U cÖ‡m‡mi Rb¨ cÖ‡qvRb nq †ggixi Ges wcÖ›U
wKDÕi wcÖ›U Re wW‡¯‹ aviY (Store) Kivi Rb¨ ch©vß nvW©
wW¯‹ †¯úm _vKv Avek¨K| GQvov nvW© wW¯‹ ‡¯úm dvBj
†mvqvc (Swap) Gi Rb¨I e¨eüZ nq| WKz‡g›Umg~n hLb wcÖ›U
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  85
n‡Z _v‡K nvW©wW‡¯‹ A¯’vqxfv‡e msiwÿZ dvBj¸‡jv gy‡Q
(Delete) ‡h‡Z _v‡K Ges nvW© wW¯‹ †¯úm Lvwj n‡Z _v‡K|
†bUIqvK© wcÖw›Us wi‡mv‡m©i m‡ev©Ëg e¨envi wbwðZ Kivi
Rb¨ †bUIqvK© G¨vWwgwb‡÷ªUi‡K c~‡e©B KZK¸‡jv wel‡q
mywPwšÍZ cwiKíbv MªnY Ki‡Z nq| cwiKíbvi mgq †h mKj wel‡q
we‡ePbv Kiv nq Zvn‡jv-
 †bUIqvK© †Wv‡gBb (Domain) wWRvBb
 †Wv‡gB‡bi Rb¨ BDRvi ev e¨enviKvix MÖæc
wba©viY
 cÖwZwU MÖæ‡ci Aax‡b e¨enviKvixi msL¨v
wba©viY
 wcÖ›Uvi I wcÖ›U mvf©v‡ii weZiY (Distribution)
cÖwµqv I Ae¯’vb (Location) wbY©q Kiv, hv‡Z K‡i
cÖwZwU e¨enviKvixi Rb¨ wcÖ›U wi‡mvm© mnRjf¨
nq|
DB‡ÛvR 2000 mvf©vi Acv‡iwUs wm‡÷‡g †bUIqvK© wcÖ›Uvi
†hvM Kivi me‡P‡q mnR Ges myweavRbK c×wZ n‡”Q G¨vW
wcÖ›Uvi DBRvW© (Add Printer Wizard) e¨envi Kiv| GB
DBRv‡W©i mvnv‡h¨ GKB cÖwµqvq DB‡ÛvR 95/98 Acv‡iwUs
wm‡÷‡gI †jvKvj (Local) Ges †bUIqvK© wcÖ›Uvi Bb÷j Kiv hvq|
GQvov GB DBRvW© e¨envi K‡i wcÖw›Us Gi Rb¨ wcÖ›Uvi
†cvU© wbw`©ó K‡i †`qv (Assigning Printer Port), wcÖ›Uvi WªvBfvi
Bb÷j Kiv Ges wcÖ›Uv‡ii bvg wba©viY BZ¨vw` KvR¸‡jvI Kiv hvq|
‡bUIqvK© wcÖ›Uvi Bb÷j Kiv msµvšÍ wel‡q Dc‡iv³ KvR¸‡jv Add
Printer Wizard e¨envi K‡i ‡hfv‡e m¤úbœ Kiv nq †mB avc¸‡jv GLb
Av‡jvPbv Kiv n‡e|
w
w
w
.fb.com
/tanbir.cox
86  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : Add Printer Wizard DB‡Ûv|
D`vniY¯^iƒc GLv‡b DB‡ÛvR 2000 mvf©vi †bUIqvK© Acv‡iwUs
wm‡÷g e¨envi Kiv n‡jvt
1| cÖ_‡g G¨vWwgwb‡÷ªUi wn‡m‡e †bUIqv‡K© jM Ab (Log On)
Kiæb|
2| Gevi Start †gby¨i AvIZvaxb Program Gi Printers †dvìvi †_‡K Add
Printer KgvÛ wm‡j± Kiæb wcÖ›Uvi DBRvW© Pvjy Kivi Rb¨|
Gici Next evU‡b wK¬K Kiæb|
3| GLb Add Printer Wizard Gi †jvKvj ev †bUIqvK© wcÖ›Uvi †cR
†_‡K Local Printer †iwWI evU‡b wK¬K Kiæb| AZtci
Automatically Detect My Printer †PKe·wU Avb‡PK (Uncheck) K‡i
Next evU‡b wK¬K Kiæb|
4| DBRv‡W©i Select Printer Port av‡c Create a New Port †iwWI
evU‡b wK¬K Kiæb Ges Wªc-WvDb WvqvjM e· e¨envi K‡i
GKwU GjwcAvi (LPR-Line Printer) †cvU© wm‡j± Kiæb| AZtci
Next evU‡b wK¬K Kiæb|
GLv‡b D‡jøL¨ †h, GKwU †cvU© (Port) n‡”Q mvf©vi Ges
wcÖ›Uv‡ii g‡a¨ †hvMv‡hvM ev KwgDwb‡Kkb P¨v‡bj
(Communication Channel)| Qwe‡Z ai‡bi GKwU †cvU© wm‡jKkb
DB‡Ûv †`Lv‡bv n‡jv|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  87
5| Gici c`©vq Add LPR Compatible Printer WvqvjM e· Avm‡e|
GLv‡b GjwcwW (LPD-Line Printer Daemon) mvf©v‡ii
wUwmwc/AvBwc wVKvbv Ges GKB mv‡_ widv‡iÝ †bg
(Reference Name) ewm‡q OK Kiæb|
wPÎ : wcÖ›Uvi †cvU© wm‡jKkb DB‡Ûv|
6| G ch©v‡q Avcbv‡K wb‡q hvIqv hv‡e Add Printer Wizard-Gi
wcÖ›Uvi WªvBfvi wm‡jKkb w¯Œ‡b| GLv‡b cÖ`Ë ZvwjKv
†_‡K wcÖ›Uvi wbg©vZv cÖwZôv‡bi bvg I wcÖ›Uv‡ii bvg
wm‡j± K‡i OK evU‡b wK¬K Kiæb| ZvwjKv‡Z wcÖ›Uv‡ii bvg
bv _vK‡j Have Disk evU‡b wK¬K K‡i d¬wc ev wmwW-ig
WªvB‡f wcÖ›Uvi wbg©vZv KZ…©K mieivnK…Z wW¯‹ ev
wmwW ¯’vcb K‡i wcÖ›Uvi WªvBfvi Bb÷j Kiæb|
7| DBRv‡W©i Name your Printer av‡c wcÖ›Uv‡ii bvg UvBc Kiæb
Z‡e bvgwU Aek¨B 31(GKwÎk) K¨v‡i±v‡ii †ekx n‡e bv| GB
bv‡gB wcÖ›UviwU Ab¨vb¨ †bUIqvK© e¨enviKvix‡`i wbKU
cwiwPZ n‡e| Gevi h_vh_ †iwWI evUbwU wK¬K Kiæb wWdë
wcÖ›Uvi Ack‡bi Rb¨ Ges cieZx© w¯Œb hvevi Rb¨ Next
evU‡b wK¬K Kiæb|
w
w
w
.fb.com
/tanbir.cox
88  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
8| Gici ¯Œx‡b Printer Sharing DB‡Ûv Avm‡e| G ch©v‡q Share As
†U· e‡· †h bv‡g †kqviK…Z wcÖ›UviwU †bUIqv‡K© cwiwPZ
n‡e Zv UvBc Kiæb| hw` Avcwb wcÖ›UviwU †bUIqv‡K©
†kqviW wi‡mvm© wn‡m‡e †NvlYv Ki‡Z bv Pvb Zvn‡j Do
Not share This Printer †iwWI evU‡b wK¬K Kiæb Ges Gic‡i Next
evU‡b wK¬K Kiæb|
9| G mgq c`©vq Location and Comment DB‡Ûv Avm‡e, †hLv‡b
Avcwb G¨vKwUf WvB‡iKUix‡Z cÖ`k©xZe¨ wcÖ›Uvi
m¤ú‡K© cÖ‡qvRbxq Z_¨ cÖ`vb Ki‡eb| `y†Uv †U·U e‡· Z_¨
UvBc Kivi ci Next evU‡b wK¬K Kiæb|
10| G ch©v‡q c`©vq cÖ`wk©Z DB‡Ûv‡Z On the Print Test Page -G
Yes †iwWI evU‡b wK¬K Ki‡Z cv‡ib wcÖ›Uvi‡K †U÷ Kivi Rb¨|
†U÷ wcÖ›U bv PvB‡j GB †iwWI evUbwU †PK Kivi cÖ‡qvRb
†bB| Gevi Next evU‡b wK¬K K‡i †mU Av‡ci cieZ©x av‡c
P‡j †h‡Z n‡e|
11| æAdd Printer WizardÕÕ Gi †kl avc ev DB‡Ûv‡Z Avcwb G
mg‡q G‡m co‡eb| GLv‡b †Kvb Z_¨ ev BbcyU Avcbv‡K
w`‡Z n‡e bv| GZÿY ch©šÍ DBRv‡W©i wewfbœ av‡c Avcwb
†h †Kvb Z_¨/ BbcyU cÖ`vb K‡i‡Qb Zvi mvi ms‡ÿc GLv‡b
cvIqv hv‡e| GB DB‡Ûv‡Z Finish evU‡b wK¬K K‡i wcÖ›Uvi
†mUAv‡ci KvRwU †kl Kiæb|
mvims‡ÿ‡c cÖ`wk©Z †Kvb Z_¨ wVKg‡Zv cÖ`vb Kiv nq wb g‡b
Ki‡j Avcwb Back evU‡b wK¬K K‡i wcQ‡bi avc¸‡jv‡Z wM‡q H Z_¨
cwieZ©b Ki‡Z cv‡ib|
wcÖw›Us Aby‡gv`b (Printing Permission)t
GKwU wcÖ›Uvi hLb †bUIqv‡K© †kqvi Kiv nq ZLb †bUIqv‡K©i
KwZcq MÖæc ev e¨enviKvix GwU e¨env‡ii my‡hvM cvq| GmKj
†ÿ‡Î e¨enviKvixi Rb¨ wcÖ›Uvi e¨env‡ii Aby‡gv`‡bi ch©vq
wba©viY K‡i †`qv nq| wcÖ›Uvi Aby‡gv`b †mU Kivi avc¸‡jv wb‡P
eY©bv Kiv n‡jv t
1. Start †gby¨i Setting †dvìvi †_‡K Printers KgvÛ wm‡j± Kiæb|
2. GLv‡b KvswLZ wcÖ›Uv‡ii Dci wM‡q Wv‡b wK¬K Kiæb Ges
cc Avc †gby †_‡K Properties KgvÛ wm‡j± Kiæb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  89
3. Gevi Security U¨v‡e wK¬K Kiæb
4. bZzb †Kvb e¨enviKvix (User) ev MÖæc(Group) †hvM Ki‡Z
PvB‡j Add evU‡b wK¬K Kiæb Ges Name †U·U e‡· GKwU
bvg UvBc Kiæb| G ch©v‡q Select User,Computers or Group
WvqvjM e‡· OK evU‡b wK¬K K‡i †ei n‡q Avmyb|
5. wcÖ›Uvi †kqv‡ii †Kvb Aby‡gv`b cwieZ©b ev evwZj Ki‡Z n‡j,
e¨enviKvixi ev MÖæ‡ci bv‡g wK¬K Kiæb|
6. Gevi Permission e‡· h_vh_ †PK e·wU wK¬K K‡i Zv wm‡j±
Kiæb Ges OK evU‡b wK¬K K‡i bZzb Aby‡gv`b‡K Kvh©Ki
Kiæb|
wPÎ : wewfbœ ai‡bi wcÖ›U Aby‡gv`b †mU Kivi DB‡Ûv|
Permission DB‡Ûv‡Z wZb ai‡bi Aby‡gv`b Ackb Av‡Q | G¸‡jv
n‡”Q:
 wcÖ›U (Print)
 g¨v‡bR wcÖ›Uvim (Manage Printers)
 g¨v‡bR WKz‡g›Um (Manage Documents)
†bUIqvK© e¨enviKvixi cÖ‡Z¨‡KiB ‘wcÖ›UÕ Ack‡b Aby‡gv`b
Av‡Q| G¨vWwgwb‡÷ªUi, wcÖ›U Acv‡iUi Ges mvf©vi Acv‡iUi‡`i
w
w
w
.fb.com
/tanbir.cox
90  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
ïay Ôg¨v‡bR wcÖ›UvimÕ- G Aby‡gv`b Av‡Q Ges ïaygvÎ
WKz‡g›U gvwjK‡`i Ôg¨v‡bR WKz‡g›UmÕ G Aby‡gv`b i‡q‡Q|
†bUIqvK© wcÖ›Uv‡ii mv‡_ K¬v‡q›U
mshy³KiY
(Connecting Clients to Network Printer)t
†bUIqvK© wcÖ›Uv‡ii †kqvwis †mU-Avc m¤úbœ Ki‡bi ci
Avcbv‡K K¬v‡q›U Kw¤úDUvi‡K †mUAvc Ki‡Z n‡e hv‡Z G¸‡jv
†kqviW wcÖ›Uvi e¨envi Ki‡Z cv‡i| K¬v‡q›U wcÖ›Uv‡ii †mUAvc
cy‡ivcywi wbf©i Ki‡Q Zvi Acv‡iwUs wm‡÷‡gi Dci| †h mg¯Í
K¬v‡q›U Kw¤úDUv‡i DB‡ÛvR Acv‡iwUs wm‡÷g
(DB‡ÛvRGbwU 95,98,2000) P‡j , †m¸‡jv Bb÷‡jk‡bi mgq Avcbv
†_‡KB h_vh_ fvm©‡bi wcÖ›Uvi WªvBfvi wm‡÷‡g Bb÷j K‡i †bq
hv‡Z Zviv †bUIqvK© wcÖ›Uvi e¨envi Ki‡Z cv‡i| DB‡Ûv‡Ri evB‡i
Ab¨vb¨ nvW©Iq¨vi cøvUdg© ev gvB‡µvcÖ‡mmi Zv‡`i Dc‡hvMx
wfbœ wfbœ WªvBfvi e¨envi K‡i _v‡K|
wPÎ : †bv‡fj †bUIq¨vi K¬v‡q‡›Ui Rb¨ dvBj Ges wcÖ›U mvwf©m †mU Kivi DB‡Ûv|
DB‡ÛvR Acv‡iwUs wm‡÷‡gi cyivZb fvm©b ( †hgb 3.1, 3.11)
GgGm-Wm (MS-DOS) ev IGm/2 (OS/2) wm‡÷‡gi K¬v‡q›U
wcwm‡Z Avcbv‡K wbR †_‡K wcÖ›Uvi WªvBfvi Bb÷j K‡i wb‡Z
n‡e| GQvov K¬v‡q›U wcwmÔi GjwcwU 1(LPT1) †cv‡U©i
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  91
AvDUcyU Aek¨B jwRK¨vj wcÖ›Uv‡i wiWvB‡i± (Redirect) K‡i w`‡Z
nq| G KvRwU Kiv nq Acv‡iwUs wm‡÷‡gi KgvÛ wmb‡U·‡Ui
gva¨‡g| gvB‡µvmdU †bUIqv‡K©i K¬v‡q›U‡`i Rb¨ †h KgvÛwU
e¨eüZ nq Zvn‡jv-
Net use lptx:server_name share_name
GLv‡b x= 1, 2 ev 3 n‡”Q Wm I DB‡ÛvR 3.1 Acv‡iwUs
wm‡÷‡gi Rb¨| Ab¨vb¨ Acv‡iwUs wm‡÷‡gi Rb¨ x Gi gvb wfbœ
n‡e|
DB‡ÛvR 2000 mvf©vi †bUIqvK© Acv‡iwUs wm‡÷g
g¨vwK‡›Uvm, †bUIq¨vi Ges BDwb· (UNIX) K¬v‡q›U mv‡cvU©
K‡i _v‡K| G mKj Acv‡iwUs wm‡÷g mv‡cvU© Kivi Rb¨ mvf©v‡i
AwZwi³ mvwf©m Bb÷j Ki‡Z nq| D`vniY¯^iƒc t †bUIq¨vi
K¬v‡q‡›Ui Rb¨ GB mvwf©mwU n‡”Q dvBj Ges wcÖ›U mvwf©m
(File and Print Service), BDwb‡·i Rb¨ mvwf©m n‡”Q
wUwmwc/AvBwc wcÖw›Us (TCP/IP Printing) ev jvBb wcÖw›Us
†WBgb (LPD)| mvf©v‡ii wWdë Bb÷‡jk‡bi mgq GB mvwf©m¸‡jvi
g‡a¨ ‡KvbwUB wbR †_‡K wm‡÷‡g Bb÷j nq bv|
wPÎ : BDwb· K¬v‡q‡›Ui Rb¨ wcÖ›U mvwf©m ‡hvM Kiv n‡q‡Q|
DB‡ÛvR 2000 †cÖv‡dkbvj ev DB‡ÛvR 2000 mvf©vi Acv‡iwUs
wm‡÷‡gi wcwm wUwmwc/AvBwc †cÖv‡UvKj e¨envi K‡i
w
w
w
.fb.com
/tanbir.cox
92  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†bUIqvK© wcÖ›Uv‡ii mv‡_ mshy³ n‡Z cv‡i | G mKj K¬v‡q›U‡`i
†bUIqvK© wcÖ›Uv‡ii mv‡_ hy³ Kivi Rb¨ GKwU eªvDRvi Lyj‡Z
n‡e Ges G¨v‡Wªm ev‡i wcÖ›Uv‡ii BDAviGj (URL-Uniform Resource
Locator) emv‡Z n‡e| K¬v‡q›U‡`i hw` wcÖ›Uv‡i cÖ‡e‡ki
Aby‡gv`b _v‡K Zvn‡j Zviv H †bUIqvK© wcÖ›Uv‡i wcÖ›U Ki‡Z
mÿg n‡e| BDAviGj wmb‡U· (Syntax) n‡”Q- http://server_name/
printers.
DB‡ÛvR G·wc Acv‡iwUs wm‡÷g †_‡K †bUIqv‡K© †kqvi Kiv
Av‡Q Ggb GKwU wcÖ›Uvi G¨vK‡mm Kivi KwZcq ¸iæZ¡c~Y©
avc GLv‡b ‡`Lv‡bv n‡jv-
K) cÖ_‡g StartCotrol Panel †_‡K Printers and Faxes Gc‡jUwU I‡cb
Kiæb;
L) Gevi Add Printer AvBK‡b Wvej wK¬K Kiæb| G ch©v‡q Avcbvi
mvg‡b wbæiƒc GKwU DB‡Ûv Avm‡e|
wPÎ : †bUIqvK© wcÖ›Uv‡ii mv‡_ mshy³ nIqvi Rb¨ wØZxq AckbwU †e‡Q †bqv n‡q‡Q|
M) Avcwb A network printer, or a printer attached to another computer
AckbwU‡Z wK¬K K‡i Next evU‡b Avevi wK¬K Kiæb| G
ch©v‡q Avcbvi mvg‡b Specify a Printer kxl©K DB‡Ûv Avm‡e|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  93
wPÎ : †bUIqv‡K© †h mKj †kqviW wcÖ›Uvi Av‡Q Zv eªvDR Kiv n‡”Q|
N) Gevi Browse a printer wm‡j± K‡i Next evU‡b wK¬K Kiæb|
wKQyÿY A‡cÿv Ki‡j Avcwb wbæiƒc GKwU DB‡Ûv †`L‡Z cv‡eb
†hLv‡b †bUIqv‡K©i AvIZvq mKj †kqviW wcÖ›Uv‡ii GKwU
ZvwjKv †`Lv‡e, Avcwb G ch©v‡q SEC5HP LaserJet 4 Plus
wcÖ›UviwU wm‡j± K‡i Next evU‡b Avevi wK¬K Kiæb|
wPÎ : †h mKj †kqviW wcÖ›Uvi †bUIqv‡K© eZ©gvb Zvi ZvwjKv GLv‡b Avcwb cv‡eb|
w
w
w
.fb.com
/tanbir.cox
94  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
O) †bUIqvK© ‡_‡K m`¨ G¨vK‡mm cvIqv †kqviW wcÖ›UviwU‡K
Avcwb wWdë wcÖ›Uvi wn‡m‡e †mU Ki‡Z Pvb wK bv †mwU
wb‡æi DB‡Ûv‡Z wba©viY K‡i w`‡Z cv‡ib| Gici Next evU‡b
wK¬K K‡i cieZx© DB‡Ûv¸‡jv‡Z ewY©Z wb‡`©kbv Abyhvqx
†bUIqvK© wcÖ›UviwU‡Z wcÖ›U KgvÛ cÖ`vb Z_v Gi †mUAvc
m¤úbœ Kiæb|
wPÎ : †bUIqv‡K©i wcÖ›UviwU GLvb †_‡K Avcwb wWdë wcÖ›Uvi wn‡m‡e †mU Ki‡Z cv‡ib|
GLv‡b e‡j ivLv fv‡jv †h, Acv‡iwUs wm‡÷‡gi wfbœZvi Rb¨ Dc‡iv³
†mUAvc DB‡Ûvi AvK…wZ Ges wb‡`©kbvi g‡a¨ wKQyUv ZviZg¨
_vK‡Z cv‡i|
†dvìvi Ges wW¯‹ †kqvwis (Folder and Disk Sharing)
DB‡ÛvR G·wc-‡Z nvW© wW¯‹, d¬wc, wmwW WªvBf Ges †dvìvi ‡kqvwis Gi Rb¨ Awfbœ c×wZ
e¨envi Kiv nq| Avcwb †Kvb †dvìvi ev wW¯‹ †jvKvj BDRvi A_©vr GKB Kw¤úDUv‡ii
Ab¨vb¨ BDRvi Ges †bUIqvK©fy³ Acivci BDRvi‡`i g‡a¨ †kqvi Ki‡Z cv‡ib| Z‡e G
`yÕai‡Yi †kqvwis Gi Rb¨ Avcbv‡K GKB DB‡Ûv e¨envi Ki‡Z n‡e| †dvìvi ev wW¯‹
†kqvwis Gi wewfbœ avc Gevi eY©bv Kiv n‡”Q-
K) ‡Kvb †dvìvi ev WªvBf †kqvi Kivi Rb¨ cÖ_‡g GwU wm‡j± Ki‡Z n‡e| Gici †dvìvi
ev wW‡¯‹i Ici gvD‡mi Wvb wK¬K K‡i cc-Avc †gby¨ †_‡K Sharing and Security A_ev
Properties KgvÛwU wm‡j± Kiæb| G ch©v‡q Avcbvi mvg‡b H wW¯‹ ev †dvìv‡ii
Properties DB‡ÛvwU Avm‡e|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  95
L) Gevi Properties DB‡Ûvi Sharing U¨vewU wm‡j± Kiv n‡jv| hw` wi‡mvm© (†dvìvi,
dvBj ev wW¯‹) GKB Kw¤úDUv‡ii Ab¨vb¨ BDRvi‡`i g‡a¨ †kqvi Ki‡Z Pvb, Zvn‡j
Local Sharing and Security AckbwU wm‡j± Kiæb, Avi hw` wi‡mvm©wU †bUIqvK©fy³
Ab¨vb¨ K¬v‡q›U ev †nv‡÷i Rb¨ †kqvi Ki‡Z Pvb Zvn‡j Network Sharing and
Security AckbwU wm‡j± Kiæb| G D`vni‡Y Avgiv wØZxq Ackb A_©vr Network
Sharing and Security e¨envi K‡iwQ| wi‡mvm© †kqvwis Gi mgq Avcbv‡K g~jZ: `y‡Uv
KvR Ki‡Z n‡e| Gi GKwU n‡”Q †kqv‡ii GKwU bvg w`‡Z n‡e,hv‡Z K‡i G‡K Avcwb Lye
mn‡RB mbv³ Ki‡Z cv‡ib, wØZxqZ: †bUIqvK© BDRvi‡`i Avcwb G wi‡mvm©fy³
dvBjmg~n cwieZ©b Ki‡Z Aby‡gv`b w`‡eb wKbv GwU †PK e‡·i gva¨‡g e‡j w`‡Z n‡e|
Ic‡ii ewY©Z cÖwµqvi gva¨‡g Avgiv nvW© wW‡¯‹i E: cvwU©kb, d¬wc wW¯‹, wmwW ig Ges
GKwU †dvìvi †kqvi K‡iwQ| †kqvi Kivi ci G¸‡jv Ab¨vb¨ wi‡mvm© †_‡K Avjv`vfv‡e
wPwýZ n‡e| †kqviK…Z wi‡mvm©mg~‡ni AvBKb ev bv‡g wb‡P Avcwb GKwU nv‡Zi Qwe †`L‡Z
cv‡eb| wb‡Pi Qwe‡Z †kqviK…Z wi‡mvm©¸‡jv †`Lv‡bv n‡jv|
w
w
w
.fb.com
/tanbir.cox
96  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
M) †bUIqv‡K© ‡h mg¯Í wi‡mvm© †kqvi Kiv Av‡Q Zvi ZvwjKv †`L‡Z PvB‡j Avcwb My
Network Places DB‡Ûvi
Aax‡b Shared Documents G
wK¬K Kiæb| GwU ïay Avcbvi
Kw¤úDUviB bq eis
†bUIqvK©fy³ Ab¨vb¨
Kw¤úDUv‡i †h mKj wi‡mvm©
†kqvi Kiv Av‡Q Zvi ZvwjKv
cÖ`k©b Ki‡e| cv‡ki Qwe‡Z G
ai‡Yi wi‡mvm©mg~‡ni GKwU
ZvwjKv †`Lv‡bv n‡jv|
WªvBf g¨vwcs (Drive Mapping)
†bUIqvK©fy³ Ab¨ ‡Kvb Kw¤úDUv‡i Ggb †Kvb †kqviW wW¯‹ ev †dvìvi _vK‡Z cv‡i hv
Avcbv‡K cÖvq:kB e¨envi Ki‡Z nq| G ai‡Yi eûj e¨eüZ wi‡mvm© evi evi Network
Neighborhood ev Network Place G wM‡q †mwU G¨vK‡mm Kiv weiw³Ki g‡b n‡Z
cv‡i| H wi‡mvm©wU hw` Avcbvi Kw¤úDUv‡i g¨vc K‡i †bb, Zvn‡j Kw¤úDUvi Pvjy Kivi
ci †mwU GKwU WªvBf wn‡m‡e Kw¤úDUvi cÖ`k©b Ki‡e| Gfv‡e Abvqv‡m †bUIqv‡K©i
Ab¨vb¨ Kw¤úDUv‡ii †kqviW wi‡mvm© (wW¯‹ Ges †dvìvi) Avcbvi Kw¤úDUv‡i GKwU WªvBf
wn‡m‡e wPwýZ n‡e| Avjv`vfv‡e G wi‡mvm©mg~n Avcbv‡K G¨vK‡mm Ki‡Z n‡e| WªvBf
g¨vwcs Gi gva¨‡g †kqviW wi‡mvm© G¨vK‡mm GKw`‡K †hgb Kg mgq cÖ‡qvRb nq,
Ab¨w`‡K Gi Rb¨ AwZwi³ †Kvb cÖ‡PóviI (Efforts) cÖ‡qvRb nq bv| Gevi WªvBf g¨vwcs
Gi wewfbœ avc¸‡jv eY©bv Kiv n‡”Q-
K) cÖ_‡g Network Conections Pvjy Kiæb| Gevi wb‡Pi wP‡Îi g‡Zv Tools †gby¨
†_‡K Map Network Drive mve †gby¨ wm‡j± Kiæb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  97
L) †bUIqvK©fy³ Ab¨ †h Kw¤úDUv‡ii wi‡mvm© Avcwb g¨vc Ki‡Z Pv‡”Qb †mwU eªvDR K‡i
wm‡j± Kiæb| Av‡jvP¨ D`vni‡Y Avgiv Workgroup Gi AvIZvq Reza_lap bv‡gi
Kw¤úDUv‡ii Net_Book_07_07_lap bvgK †dvìviwU g¨vwcs Gi Rb¨ wm‡j± K‡iwQ|
g¨vwcs Gi Rb¨ †dvìvi wPwýZ Kivi welqwU wb‡Pi Qwe‡Z †`Lv‡bv n‡jv|
M) †h bv‡g ev WªvBf †jUvi AvKv‡i GB †dvìviwU Avcbvi Kw¤úDUv‡i cÖ`wk©Z n‡e Zv
Drive Ackb e· †_‡K wbw`©ó K‡i w`b| G D`vniY Avgiv WªvBf †jUvi wn‡m‡e Z: wbw`©ó
K‡iwQ| G †kqviW WªvBfwU Kw¤úDUvi jM A‡bi mgq cyb:mshy³ n‡e wKbv †mwU †PK
e‡·i gva¨‡g wm‡j± K‡i w`b|
w
w
w
.fb.com
/tanbir.cox
98  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
N) G mgq Avcbvi Kw¤úDUvi †bUIqvK© WªvBfwU g¨vc ev mbv³ Kivi cÖ‡Póv Pvjv‡e| G
cÖwµqvwU m¤úbœ Kivi Rb¨ wKQyUv mg‡qi cÖ‡qvRb n‡Z cv‡i|
O) Gevi Avcbvi Kw¤úDUv‡ii My Computer DB‡ÛvwU I‡cb Kiæb| GLv‡b m`¨
g¨vcK…Z †dvìvi ev
WªvBfwU (Z:)
†bUIqvK© WªvBfm
Gi Aax‡b †`L‡Z
cv‡eb| Avcwb
†bUIqvK© WªvBf Gi
ms‡hvM wew”Qbœ
Ki‡Z PvB‡j Tools
†gby¨ †_‡K
Disconnect
Network Drive mve‡gby¨ e¨envi Ki‡Z cv‡ib|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  99
†bUIqvK© Uªvejï¨wUs
Network Troubleshooting
GKwU †bUIqvK©‡K mwµq I mPj ivL‡Z GWwgwb‡÷ªUi‡K cÖwZwbqZ bvbv iKg e¨e¯’v MÖnY
Ki‡Z nq| G‡`i g‡a¨ Ggb wKQy mgm¨v Av‡Q hv cÖvq cÖwZw`bB gv_v e¨v_vi KviY n‡q
`uvovq| cÖwZwU †bUIqv‡K©iB wbR¯^ KbwdMv‡ikb Ges ˆewkó¨ Av‡Q| Z‡e wbæewY©Z mgm¨v
cÖvq cÖwZwU †bUIqv‡K©i †ejvqB cÖ‡hvR¨| cÖ_‡g Avgiv G ai‡bi mvaviY mgm¨v wb‡q
Av‡jvPbv Ki‡ev Ges ciewZ©‡Z †`L‡ev G¸‡jv wKfv‡e mn‡R mgvavb Kiv hvq| †bUIqvK©
mgm¨vi mgvavb cÖwµqvq wK wK Uzjm e¨envi Kiv n‡Z cv‡i †m wel‡qI Av‡jvKcvZ Kiv
n‡e|
mvaviY †bUIqvK© mgm¨v
(Common Network Problem) t
†bUIqv‡K© cÖvqkB mgm¨vi KviY nq Ggb Bmy¨mg~n n‡”QÑ
K) wdwRK¨vj wgwWqv
L) †bUIqvK© B›Uvi‡dm KvW© ev wbK
M) wbK KbwdMv‡ikb c¨vivwgUvi
N) †bUIqvK© †cÖv‡UvK‡j Awgj
O) †bUIqvK© Kb‡Rkb ev RU
P) m¤cÖPvi So
Q) ˆe`¨ywZK mgm¨v
R) mvf©vi mgm¨v
DcwiD³ mgm¨vmg~n wb‡q Gevi we¯ÍvwiZfv‡e Av‡jvPbv Kiv hvKÑ
K) wdwRK¨vj wgwWqv (Physical Media) t
†Kvb †bUIqv‡K©i wdwRK¨vj wgwWqv ej‡Z K¨vej, Kv‡bKUi, nve,
B›Uvi‡dm KvW© BZ¨vw`‡K †evSv‡bv n‡q _v‡K| G mKj wdwRK¨vj
wgwWqv AvNvZ ev Pv‡c †f‡½ ev weK…Z n‡q †h‡Z cv‡i| d‡j
†bUIqvK© ms‡hvM ev Kv‡bKwUwfwU‡Z †Kvb cÖKvi mgm¨v †`Lv
w`‡jB G mKj wWfvBm mv‡_ mv‡_ cixÿv K‡i †`Lv DwPZ|
w
w
w
.fb.com
/tanbir.cox
100  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
D`vniY¯^iƒc †bUIqvK© K¨ve‡ji †Kv_vI wew”Qbœ ev mU© n‡q
†M‡j Zv GKwU IqvK©‡÷kb A_ev cy‡iv †bUIqvK© †mM‡g‡›Ui
Kv‡bKwUwfwU wew”Qbœ Ki‡Z cv‡i| Z‡e cy‡iv welqwU wbf©i
Ki‡Q H wew”Qbœ n‡q hvIqv K¨ve‡ji Ae¯’v‡bi Dci|
†bUIqvK© †_‡K †Kvb IqvK©‡÷kb wew”Qbœ n‡q †M‡j
GWwgwb‡÷ªUi cÖ_‡gB cixÿv K‡i †`L‡eb H mgm¨v AvµvšÍ
IqvK©‡÷kbwU‡K| G‡ZB wZwb wbwðZ n‡q hv‡eb mgm¨vwU wK
IqvK©‡÷k‡bi wbR¯^ A_ev Gi mv‡_ mshy³ K¨ve‡j| Gici wZwb
Ab¨vb¨ fvix WvqvM‡bvwmm Kv‡R †hgb Kw¤úDUvi cyb:KbwdMvi
Kiv, †bUIqvK© B›Uvi‡dm KvW© cwieZ©b, WªvBfvi
cwieZ©b/Avc‡MÖW BZ¨vw`‡Z nvZ w`‡eb|
†bUIqvK© GWwgwb‡÷ªU‡ii Kv‡Q hw` AwZwi³ †Kvb IqvK©‡÷kb
(†bUIqvK© B›Uvi‡dm KvW©mn) _v‡K Zvn‡j wZwb Gi mvnv‡h¨
K¨vej wVK Av‡Q wK bv cixÿv K‡i †`L‡Z cv‡ib| GB AwZwi³
IqvK©‡÷kbwU hw` wVKg‡Zv mvf©v‡i mshy³ n‡Z cv‡i Zvn‡j
eyS‡Z n‡e mgm¨v K¨ve‡j bq eis H cixÿvaxb IqvK©‡÷k‡bB|
†bUIqv‡K© wdwRK¨vj wgwWqvi Kvi‡Y †Kvb mgm¨v m„wó n‡j Zv
wPwýZKiY I wbim‡b wb‡Pi c×wZ¸‡jv e¨envi Kiv †h‡Z cv‡iÑ
1| †bUIqvK© K¨vej k³fv‡e B›Uvi‡dm Kv‡W©i mv‡_ mshy³ Av‡Q wK bv cixÿv K‡i
†`Lyb| K¨vej Kv‡b±‡ii Ae¯’vI Gi mv‡_ †`‡L wbb| wewfbœ Kvi‡Y K¨vej Kv‡bKUi
AvjMv n‡q †h‡Z cv‡i|
2| wbwðZ n‡q wbb Avcbvi K¨ve‡ji wba©vwiZ `~iZ¡ AwZµg
K‡i‡Qb wK bv| cÖwZwU K¨ve‡jiB GKwU wbw`©ó `~i‡Z¡
wmMb¨vj enb K‡i wb‡q hvevi ÿgZv Av‡Q| H `~i‡Z¡i evB‡i
†M‡jB wmMb¨v‡ji gv‡bi AebwZ N‡U| wb‡Pi †Uwe‡j wewfbœ
ai‡bi K¨vej Ges Gi WvUv enb K‡i wb‡q hvevi `~iZ¡ †`qv n‡jvÑ
K¨ve‡ji aib wmMb¨vj en‡bi
m‡ev©”P `~iZ¡
K) w_b‡bU †Kv-Gw·qvj 185 wgUvi
L) w_K‡bU †Kv-Gw·qvj 500 wgUvi
M) AveiYwenxb UzB‡÷W †cq¨vi ev BDwUwc 100 wgUvi
N) AveiYhy³ UzB‡÷W †cq¨vi ev GmwUwc 100 wgUvi
O) AcwUK¨vj dvBevi 2 wK‡jv wgUvi
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  101
3| UvBg †Wv‡gBb wi‡d¬K‡UvwgUvi (Time Domain Reflectometer)
w`‡q cixÿv K‡i †`Lyb K¨ve‡ji †Kv_vI kU© n‡q Av‡Q ev †f‡½
†M‡Q wK bv| †`Iqvj ev K¨vwe‡b‡Ui ga¨ w`‡q hLb K¨vej AwZµg
K‡i ZLb G ai‡bi mgm¨v m„wó n‡Z cv‡i|
4| cy‡iv †bUIqv‡K© GKB ai‡bi K¨vej e¨envi Kiæb| wewfbœ ai‡bi
K¨vej GKB †bUIqv‡K© e¨envi Ki‡Z n‡j we‡kl wWfvBm †hgb
ivDUvi, eªxR BZ¨vw` ms‡hvR‡bi cÖ‡qvRb nq|
5| Uvwg©‡bUvi¸‡jv cixÿv K‡i wbwðZ †nvb †h G¸‡jvi Kvi‡Y
†bUIqv‡K© gvÎvwZwi³ †iva (Resistance) co‡Q wK bv|
L) †bUIqvK© B›Uvi‡dm KvW© ev wbK
( Network Interface Card -NIC ) t
†bUIqvK© mgm¨v AvµvšÍ nevi wcQ‡b Av‡iKwU Ab¨Zg cÖavb KviY
n‡”Q ÎæwUc~Y© wbK| wbK-‡K mvd‡j¨i mv‡_ KvR Ki‡Z n‡j `y‡Uv
kZ© Aek¨B cvjb Ki‡Z n‡e|
 B›Uvi‡dm KvW©wU‡K Aek¨B k³fv‡e gv`vi‡ev‡W©i
(Motherboard) wba©vwiZ ¯ø‡U (Slot) AvUKv‡Z n‡e|
 B›Uvi‡dm Kv‡W©i mv‡_ mvgÄm¨c~Y© Ggb mdU&Iq¨vi
WªvBfvi Bb÷j Ki‡Z n‡e Ges G‡K †bUIqvK©
AvwK©‡UKPv‡ii mv‡_ gvbvbmB K‡i KbwdMvi Ki‡Z n‡e|
AwaKKvj a‡i e¨envi, cvwicvwk¦©K cÖwZwµqv, Ae¨vnZ e¨env‡ii d‡j gv‡S g‡a¨ †bUIqvK©
KvW© Zvi ¯^vfvweK Kg©KvÛ ¯’wMZ K‡i †`q| wKš‘ KbwdMv‡ik‡b fyj ev Acv‡iwUs wm‡÷‡gi
mv‡_ K¤ú¨vwUwewjwU mgm¨vi Kvi‡Y †bUIqvK© KvW© G‡Kev‡iB APj n‡q c‡o|
†bUIqvK© KvW©RwbZ mgm¨v wPwýZKiY I wbim‡b wb‡æv³
welq¸‡jv cixÿv-wbixÿv K‡i †`Lv †h‡Z cv‡i-
1| †bUIqvK© Kv‡W©i wcQ‡bi w`‡K jvBU R¡j‡Q wK bv?
mvaviYZ †bUIqvK© Kv‡W©i wcQ‡bi †kl w`‡K GKwU ev `yÕwU
Wv‡qvW jvBU (LED-Light Emitting Diode) _v‡K| Gi GKwU n‡”Q wj¼
jvBU (Link Light)| Kv‡W© †bUIqv‡K©i mv‡_ ms‡hvM †c‡j GB
jvBUwU R¡j‡e| wØZxq jvBUwU n‡”Q UªvÝwgkb jvBU (Transmission
Light)| KvW© hLb †bUIqv‡K©i mv‡_ WvUv Av`vb-cÖ`vb K‡i ZLb
GB jvBUwU Ab/Ad (On / Off) n‡Z _v‡K| Kv‡W©i mv‡_
†bUIqv‡K©i ms‡hvM bv _vK‡j †Kvb jvBUB R¡j‡e bv|
w
w
w
.fb.com
/tanbir.cox
102  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
2| †bUIqv‡K©i ¯^vfvweK Kg©KvÛ‡K cÖfvweZ Ki‡Z cv‡i Ggb
†Kvb G¨vwcø‡Kkb †cÖvMÖvg m¤cÖwZ Bb÷j Kiv n‡q‡Q
wK bv?
Ggb wKQy G¨vwcø‡Kkb †cÖvMÖvg Av‡Q †h¸‡jv wm‡÷‡g
†bUIqv‡K©i mv‡_ KvR Ki‡Z wbR¯^ WªvBfvi (Driver) Bb÷j K‡i
†bq| GB WªvBfvi Avcbvi eZ©gvb †bUIqvK© hv Acv‡iwUs wm‡÷‡gi
fvm©‡bi mv‡_ mvgÄm¨c~Y© bvI n‡Z cv‡i|
3| Network Control Panel †_‡K cixÿv K‡i †`Lyb we`¨gvb †bUIqvK©
WªvBfviwU †Kvb Zvwi‡L Bb÷j Kiv n‡q‡Q| ZvwiL Lye Av‡Mi
n‡j B›Uvi‡dm KvW© wbg©vZvi KvQ †_‡K me©‡kl fvm©‡bi
WªvBfvi msMÖn K‡i Zv Bb÷j Kiæb| G‡Z B›Uvi‡dm KvW©
msµvšÍ mgm¨vi mgvavb n‡Z cv‡i|
 g‡Wg m¤úwK©Z mgm¨v Ges Gi mgvavb t g‡WgÕGi mgm¨v
wbY©‡qi Rb¨ mvaviYZ: Avjv`v †Kvb wW¯‹ ev Uzj e¨envi Kiv nq bv|
DB‡ÛvR Acv‡iwUs wm‡÷‡gi cÖvq mKj fvm©‡bB (†hgb DB‡ÛvR
95/98/2000, wg‡jwbqvg GwWkb) GKwU weë-Bb KwgDwb‡Kkb Uzj
_v‡K g‡Wg cixÿv K‡i †`Lvi Rb¨| GB UzjwU Avcwb cv‡eb K‡›Uªvj
c¨v‡b‡ji Modem Applet Gi g‡a¨| Gi gva¨‡g Avcwb KwZcq †gŠwjK
KgvÛ g‡W‡g cvVv‡Z cv‡ib Ges c`©vq †`L‡Z cv‡ib g‡Wg wKfv‡e
Gme Kgv‡Û mvov w`‡”Q| g‡W‡gi mvov †`Iqvi aib Aek¨ wbf©i Ki‡Q
g‡W‡gi UvB‡ci Ici|
wPÎ : g‡Wg cixÿv K‡i †`Lvi Rb¨ nvBcvi Uvwg©bvj e¨envi Kiv hvq|
Avcwb DB‡ÛvR Gi nvBcvi Uvwg©bvj (HyperTerminal) Uzj ev
†cÖvMÖvg e¨envi K‡iI g‡W‡gi mv‡_ mivmwi KwgDwb‡KU Ki‡Z
cv‡ib| GRb¨ Avcbv‡K cÖ_‡gB †cÖvMÖvgwU‡K h_vh_fv‡e
KbwdMvi K‡i wb‡Z n‡e| g‡Wg cixÿv Kivi Rb¨ e¨envi Kiv nq Ggb
wKQy KgvÛ n‡”Q-
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  103
-AT: g‡Wg wVKg‡Zv KvR Ki‡j G Kgv‡Ûi Dˇi c`©vq OK cÖ`wk©Z
n‡e|
-ATEIV1: GB KgvÛ wbwðZ Ki‡e g‡W‡gi DËi wVKg‡Zv c`©vq
cÖ`wk©Z n‡”Q|
-ATDT9988567: g‡Wg †Kvb †dvb bv¤^v‡i wVKg‡Zv Wvqvj Ki‡Z
cvi‡Q wKbv Zv cixÿv Kivi Rb¨ GB KgvÛ e¨envi Kiv nq| †Uvb
Wvqvwjs-Gi cwie‡Z© cvjm Wvqvwjs e¨envi Kiv n‡j †m‡ÿ‡Î KgvÛ
n‡e ATDP9988567|
M) wbK KbwdMv‡ikb c¨vivwgUvi
(NIC Configuration Parameters )t
cÖwZwU †bUIqvK© Kv‡W©i ev wbKÕGi (†bUIqvK© B›Uvi‡dm
KvW©) wbR¯^ KbwdMv‡ikb c¨vivwgUvi Av‡Q| wKš‘ †ewkifvM
†ÿ‡Î †h mKj c¨vivwgUvi ev †mwUs wb‡q mgm¨v m„wó nq Zv n‡jv
AvBAviwKD (IRQ - Interrupt Request) †mwUs, †eR AvB/I †cvU©
wVKvbv (Base I/O Part address) Ges †eR †ggix wVKvbv (Base memory
address)-Gi †h‡Kvb GKwUi gvb fyj n‡j Zv IqvK©‡÷k‡bi Ab¨ †h‡Kvb
wWfvB‡mi mv‡_ ØÜ (Conflict) m„w÷ Ki‡j wbK wVKg‡Zv KvR
Ki‡e bv|
 GKwU B‡›Uj wfwËK wcwm‡Z 16wU AvBAviwKD (IRQ)
_v‡K| G¸‡jv wcwmÕi mv‡_ mshy³ wewfbœ wWfvB‡mi Rb¨
wbw`©ó Kiv _v‡K Ges cÖ‡qvRb gvwdK Giv AMÖvwaKvi
wfwˇZ cÖ‡mm‡ii ¯^vfvweK Kg©KvÛ ¯’wMZ K‡i Zvi
†_‡K cÖ‡mwms mgq wb‡Z cv‡i|
 †eR AvB/I wVKvbv cÖ‡mmi Ges Gi mv‡_ mshy³ Ab¨ mKj
wWfvB‡mi g‡a¨ †hvMv‡hv‡Mi gva¨‡g ev †MUI‡q wn‡m‡e
KvR K‡i|
 †eR †ggwi wVKvbv n‡”Q †ggwii GKwU Ae¯’vb †hLv‡b
†bUIqv‡K©I WvUv Av`vb-cÖ`v‡bi Rb¨ GKwU evdvi
(Buffer) ivLv Av‡Q| †n·v †Wwmgvj bv¤^vi wn‡m‡e GB
wVKvbvwU n‡”Q wW8000|
wbK KbwdMv‡ikb msµvšÍ RwUjZvi †ÿ‡Î wb‡æv³ welq¸‡jv cixÿv-
wbixÿv K‡i †`Lv †h‡Z cv‡i-
1| IqvK©‡÷k‡bi †bUIqvK© KbwdMv‡ikb wK m¤cÖwZ cwieZ©b Kiv n‡q‡Q? cwieZ©b Kiv
n‡j Gi KviY †R‡b wbb Ges c~‡e©Kvi †mwUs wK wQj †mUv †ei Kiæb|
w
w
w
.fb.com
/tanbir.cox
104  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
2| †bUIqvK© KvW© A‡UvKbwdMvi †gv‡W KbwdMvi Kiv
n‡qwQj wK bv? A‡UvKbwdMvi Kiv n‡j †bUIqvK© KvW©
†Kvb †Kvb †ÿ‡Î wVKg‡Zv KvR Ki‡Q bv Zv mwVKfv‡e wbiƒcY
Kiæb| cÖ‡qvR‡b g¨vbyqvwj KvW©wU KbwdMvi K‡i wbb|
3| Dc‡i ewY©Z wZbwU †gŠwjK c¨vivwgUvi wK Ab¨ †Kvb
wWfvBm e¨envi Ki‡Q? G iKg Ae¯’vi m„wó n‡j †bUIqvK©
KvW© cyb:KbwdMvi Kiæb Ges mshy³ Ab¨vb¨ wWfvBm AcmviY
Kiæb|
N) †bUIqvK© †cÖv‡UvK‡j Awgj
(Network Protocol Mismatch)
†bUIqv‡K© GKwU IqvK©‡÷kb †hvMv‡hvM Ki‡Z n‡j Gi B›Uvi‡dm
ev GWvÞvi KvW©‡K Aek¨B Aci cÖv‡šÍi IqvK©‡÷k‡bi †bUIqvK©
Kv‡W©i mv‡_ †hŠ_fv‡e GKwU mvaviY †cÖv‡UvKj †mU (Common
Set of Protocol) †kqvi Ki‡Z nq| hw`I cÖwZwU †cÖv‡UvK‡ji
KbwdMv‡ik‡bi g‡a¨ cv_©K¨ Av‡Q| A‡bK mgq GKwU GKK
†bUIqvK© Kv‡W©i mv‡_ A‡bK¸‡jv †bUIqvK© †cÖv‡UvKj‡K KvR
Kiv‡Z nq| G cÖwµqv‡K ejv nq eÜb ev 'Binding' z GRb¨
GbwWAvBGm (NDIS-Network Device Interface Specification) ev
IwWAvB (ODI-Open Data Link Interface) †cÖv‡UvKj ÷¨vK e¨envi
Ki‡Z nq|
†bUIqvK© Kv‡W©i mgm¨v wPwýZ Ki‡Z wM‡q hw` †`Lv hvq G‡Z
KbwdMv‡ikb ev g¨vKvwbK¨vj †Kvb ÎæwU †bB Zvn‡j eyS‡Z n‡e
G‡Z †cÖv‡UvKj mv‡cvU© msµvšÍ Sv‡gjv Av‡Q| GKwU
IqvK©‡÷kb‡K hw` †bv‡fj †bUIq¨v‡ii AvBwcG·/ GmwcG·
†cÖv‡UvK‡ji Rb¨ KbwdMvi Kiv nq Zvn‡j †m mdjfv‡e KLbB
wUwmwc/ AvBwc †cÖv‡UvK‡ji mvnv‡h¨ KbwdMviK…Z dvBj
mvf©v‡ii mv‡_ †hvMv‡hvM Ki‡Z cvi‡e bv|
†h †bUIqvK© cwi‡e‡k GKvwaK mvf©vi cøvUdg© †hgbÑ BDwb·,
wjbv·, †bv‡fj †bUIq¨vi, DB‡ÛvR GbwU /2000 mvf©vi i‡q‡Q
†mLv‡b †cÖv‡UvKjRwbZ mgm¨v wbY©‡q wb‡æv³ welq¸‡jvi cÖwZ
¸iæZ¡ †`qv cÖ‡qvRb|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  105
1| IqvK©‡÷kb wK BwZc~‡e© mvf©v‡ii mv‡_ mshy³ n‡Z
†c‡iwQ‡jv Ges eZ©gv‡b GwU †m ÿgZv wK nvwi‡q‡Q A_ev
IqvK©‡÷kb mvf©v‡ii mv‡_ KLbB mdjfv‡e mshy³ n‡Z cv‡i
wb?
GgZe¯’vq †bUIqvK© K‡›Uªvj c¨v‡bj †_‡K cixÿv K‡i †`Lyb IqvK©‡÷k‡b wK ai‡bi
†cÖv‡UvKj Bb÷j Kiv Av‡Q| †h †cÖv‡UvKj Bb÷j Kiv Av‡Q †m¸‡jv wK †bUIqvK©
B›Uvi‡dm Kv‡W©i mv‡_ mvgÄm¨c~Y© ? bv n‡j †bUIqvK© KvW©‡K mv‡cvU© K‡i Ggb †cÖv‡UvKj
bZzb K‡i Bb÷j Kiæb|
2| Bb÷jK…Z †cÖv‡UvK‡ji mKj KbwdMv‡ikb c¨vivwgUvi
mwVKfv‡e c~Y© Kiv n‡q‡Q wK bv?
†hgb wUwmwc/AvBwc †cÖv‡UvKj my¨B‡Ui †ÿ‡Î †h mKj c¨vivwgUvi emv‡Z nq Zv n‡jv
AvBwc G¨v‡Wªm, mve‡bU gv¯‹ Ges wWdë †MUI‡q wVKvbv|
3| wUwmwc/AvBwc †bUIqv‡K©i †ÿ‡Î IqvK©‡÷kb wK
WvqbvwgK¨vwj AvBwc G¨v‡Wªm (wWGBPwmwcÕi gva¨‡g)
cv‡”Q? †c‡q _vK‡j cÖwµqvwU wVKg‡Zv KvR Ki‡Q wK bv Zv
cixÿv K‡i †`Lyb|
4| wUwmwc/AvBwc †bUIqv‡K©i †ÿ‡Î †bUIqvK© †mM‡g‡›Ui Rb¨
wWGbGm AvBwc (DNS IP) G¨v‡Wªm mwVKfv‡e †jLv n‡q‡Q
wK bv Zv wbwðZ †nvb|
5| AvBwcG·/GmwcG· (IPX / SPX) †bUIqv‡K©i †ÿ‡Î mwVK †d«g
UvBc (Frame Type) e¨envi Kiv n‡q‡Q wK bv Zv cixÿv K‡i wbb|
w
w
w
.fb.com
/tanbir.cox
106  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : h_vh_ WvUv †d«g UvBc wbe©vPb Kiv n‡”Q|
O) †bUIqvK© Kb‡Rkb (Network Congestion) t
GKwU †bUIqvK© †mM‡g›U ev cy‡iv †bUIqv‡K© `ye©j cvidi‡gÝ
ev `ÿZv n‡”Q †bUIqvK© Kb‡Rk‡bi cÖv_wgK jÿY| †bUIqvK©
m‡e©v”P e¨env‡ii mgq ev wcK AvIqv‡i (Peak Hours) gv‡S g‡a¨ G
ai‡bi Kb‡Rkb n‡Z cv‡i| †Kvb †Kvb †ÿ‡Î GB Kb‡Rkb †bUIqv‡K©i
mgq AwZµg nevi ev eqm evovi mv‡_ mv‡_ axiMwZ‡Z m„wó n‡Z
cv‡i| Gfv‡e K‡qK gvm ev eQi cvi nevi ci †bUIqv‡K© Amnbxq
Kb‡Rkb bR‡i Av‡m|
†bUIqvK© Kb‡Rk‡bi ch©vq ev cwigvY Abyaveb Ki‡Z †bUIqvK© gwbUi Ges
†bUIqvK© GbvjvBRvi bvgK Uzj‡mi mvnvh¨ †bqv hvq| cy‡iv †bUIqv‡K© KZUzKz
e¨vÛDBW_ e¨eüZ n‡q‡Q, †bUIqv‡K©i m‡e©v”P e¨env‡ii mgqKvj, wK cÖK…wZi WvUv
c¨v‡KU †bUIqv‡K©I ga¨ w`‡q PjvPj Ki‡Q BZ¨vw` Z_¨ †bUIqvK© gwbUi †_‡K Rvbv
hvq| †bUIqv‡K©i †Kvb †mM‡g›U ev Ask w`‡q me‡P‡q †ewk cwigvY WvUv UªvwdK
Ae¨vnZ wQ‡jv ev †Kvb As‡k WvUv cÖev‡n mgm¨v n‡q‡Q BZ¨vw` Z_¨ †bUIqvK©
GbvjvBRvi w`‡q mn‡RB e¨vL¨v Ges Zv cwigvc Kiv m¤¢e|
†bUIqvK© Kb‡Rkb msµvšÍ mgm¨v wbiƒc‡Y wb‡æv³ avc¸‡jv
AbymiY Kiv †h‡Z cv‡iÑ
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  107
1| mgm¨vwU m¤cÖwZ mg‡q †`Lv w`‡q‡Q bv GwU wbqwgZ
GKwU welq n‡q `vwo‡q‡Q? †bUIqvK© Kb‡Rkb g~jZ: `ye©j
†bUIqvK© wWRvB‡bi wb‡`©kK Ges G mgm¨vi myôz mgvav‡bi
Rb¨ cy‡iv †bUIqvK© wWRvBb †X‡j mvRv‡bv cÖ‡qvRb|
2| GKwU AvBwc G¨v‡Wªm †_‡K eo bv¤^vi wewkó WvUv
c¨v‡KU¸‡jv wb‡q cixÿv K‡i †`Lyb| †bUIqvK© KvW© wVKg‡Zv
KvR bv Ki‡j GwU B‡”Qg‡Zv AcÖ‡qvRbxq Ges eo AvKv‡ii
Mvi‡eR (Garbage) WvUv c¨v‡KU †bUIqv‡K© cvVv‡Z _v‡K|
3| m¤cÖwZ †bUIqv‡K© bZzb †Kvb G¨vwcø‡Kkb Bb÷j Kiv n‡q‡Q
wK bv Zv cixÿv Kiæb| K¬v‡q›U mvf©vi (Client / Server) wfwËK
G¨vwcø‡Kkb cÖPzi cwigvY WvUv c¨v‡KU Drcbœ K‡i Ges
†m¸‡jv †bUIqvK© UªvwdK‡K cÖwZwbqZB fvix K‡i †Zv‡j|
4| †bUIqvK© e¨enviKvixi msL¨v m¤cÖwZKv‡j †e‡o‡Q wK
bv? e¨enviKvixi msL¨v A¯^vfvweK cwigv‡Y evo‡j Zv mvgvj
w`‡Z †bUIqv‡K©i ÿgZvI †mB nv‡i evwo‡q w`‡Z n‡e|
5| †bUIqv‡K©i ga¨ w`‡q †Kvb †Kvb †cÖv‡UvKj wfwËK WvUv
c¨v‡KU PjvPj K‡i? †bUIqv‡K© e¨eüZ †cÖv‡UvK‡ji msL¨v KZ?
†bUIqvK© UªvwdK me©wbæ ivL‡Z n‡j h_vm¤¢e ¯^í msL¨K
†cÖv‡UvKj e¨envi Kiv DwPZ|
6| †bUIqv‡K© †bUeyB (NetBEUI) †cÖv‡UvKj mwµq ev dvskbvj
wK bv ?
P) m¤cÖPvi So (Broadcast Storms) t
†bUeyB GKwU WvUv c¨v‡KU eªWKv÷ Drmvnx (Broadcast Intensive)
†cÖv‡UvKj| †bUIqv‡K© †bUeyB eªWKv÷ Kgv‡Z DBbm (Wins)
mvf©vi e¨envi Kiæb A_ev †bUev‡qvm‡K (NetBtos)
wUwmwc/AvBwc ev AvBwcG· Gi ga¨ w`‡q Uv‡bj (Tunnel) K‡i
†bUeyBÕGi cÖfve m¤ú~Y©iƒ‡c cwinvi Kiæb|
w
w
w
.fb.com
/tanbir.cox
108  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : ÎæwUc~Y© †bUIqvK© B›Uvi‡dm KvW© : m¤cÖPvi S‡oi cÖavb KviY|
m¤cÖPvi So ev eªWKv÷ ÷ªg Ggb GKwU cwiw¯’wZ ev Ae¯’v hvi
D™¢e nq ZLbB hLb AwZwi³ msL¨K eªWKv÷ WvUv c¨v‡KU
†bUIqv‡K©i e¨envi‡hvM¨ cy‡iv e¨vÛDBW_ (Bandwidth) `Lj K‡i
iv‡L| G ai‡bi cwiw¯’wZ‡Z †bUIqv‡K©i Kg©`ÿZv fxlYfv‡e K‡g
Av‡m|
†bUIqvK© KvW© Ges nve mgm¨v AvµvšÍ n‡j eªWKv÷ ÷ªg m„wó
n‡Z cv‡i| †bUeyB †cÖv‡UvKj Øviv wWRvBb Kiv Ggb †bUIqv‡K©
hLb AwZwi³ cwigvY WvUv c¨v‡KU eªWKv÷ n‡Z _v‡K ZLbB
†bUIqv‡K© eªWKv÷ ÷ªg †`Lv w`‡Z cv‡i| †Kvb wWfvB‡mi Kvi‡Y
hw` eªWKv÷ ÷ªg †`Lv †`q Zv n‡j †cÖv‡UvKj GbvjvBRv‡ii mvnv‡h¨
†mwU wPwýZ Kiv hvq Ges mgm¨vgy³ Ab¨ GKwU wWfvBm w`‡q
†mwU cÖwZ¯’vcb Kiv hvq| †h‡nZz ivDUvi eªWKv÷ UªvwdK
UªvÝwgU K‡i ZvB †bUIqv‡K©i Af¨šÍ‡i ivDUvi Ges ivDU¨vej
†cÖv‡UvKj e¨envi K‡i eªWKv÷ ÷ª‡gi cÖfve Kwg‡q Avbv hvq|
Q) ˆe`y¨wZK mgm¨v (Power Problems) t
nVvr K‡i we`y¨rcÖevn eÜ n‡q †M‡j †bUIqvK© Z_v H ¯’v‡bi
wcwmmn Ab¨vb¨ B‡jKUªwbK hš¿cvwZi Dci gvivZ¡K cÖfve c‡o|
wVK GKBfv‡e hw` nVvr K‡i we`y¨r P‡j hvq Ges G‡Z cÖv_wgK
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  109
mvR© (Surge) ev AZ¨vwaK cÖevn _v‡K Zv n‡j †mwUI †bUIqv‡K©i
Rb¨ ÿwZKi| GB nVvr K‡i we`y¨r P‡j hvIqv Ges mvR© cÖevn †_‡K
†bUIqvK©-‡K myiÿv Ki‡Z h_vh_ e¨e¯’v †bqv Avek¨K |
wPÎ : DB‡ÛvR 2000 mvf©v‡i BDwcGm †mwUs|
†bUIqvK© I Kw¤úDUvi‡K ˆe`y¨wZK mgm¨v †_‡K iÿv Ki‡Z eûjfv‡e
BDwcGm (UPS - Uninterrupted Power Supply) e¨eüZ n‡q Avm‡Q|
we`y¨rcÖevn eÜ n‡q †M‡j BDwcGm wKQyÿ‡Yi Rb¨ (15 wgwbU
†_‡K 30 wgwbU ev Zvi †ewk mgq, GwU wbf©i Ki‡Q BDwcGmÕGi
ÿgZvi Dci) mieivn Ae¨vnZ iv‡L, d‡j mvf©vi, IqvK©‡÷kb BZ¨vw`‡K
¯^vfvweK wbqggvwdKfv‡e eÜ Kiv hvq| †Kvb †Kvb BDwcGm
mvf©v‡ii mv‡_ B›Uvi‡dm Kiv hvq d‡j nVvr K‡i we`y¨r mgm¨v ïiæ
n‡j mvf©vi BDwcGm †_‡K wmMb¨vj †c‡q wm‡÷g wbqgZvwš¿K
Dcv‡q eÜ K‡i w`‡Z cv‡i| †bUIqvK©fy³ Awd‡m hLb †KD _v‡K bv
ZLb BDwcGm ÕGi GB wdPviwU AZ¨šÍ djcÖm~ nq|
†Kvb †Kvb BDwcGm-G Avevi jvBb KwÛkwbs (Line Conditioning)- Gi
e¨e¯’v Av‡Q| GB wdPviwU we`y¨r cÖevn me©`v w¯’i (Constant)
iv‡L| G‡Z we`y¨r DVvbvgv ev mvR© †fv‡ë‡Ri Kvi‡Y cÖev‡ni †Kvb
ZviZg¨ nq bv| AwaKvsk †ÿ‡ÎB †`Lv †M‡Q we`y¨rcÖev‡ni
A¯^vfvweKZvi Kvi‡YB wcwmÕi we`y¨r mieivn BDwbU (Power
w
w
w
.fb.com
/tanbir.cox
110  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
Supply Unit), nvW©wW· Ges gv`vi‡evW© gvivZ¡Kfv‡e ÿwZMÖ¯’
nq| BbwUwj‡R›U BDwcGm e¨env‡ii gva¨‡g GB ¸iæZ¡c~Y©
wWfvBm¸‡jv iÿv Kiv hvq|
wPÎ : wcwmÕi we`y¨r mieivn BDwbU Gi mgm¨v cy‡iv †bUIqvK©‡K APj
Ki‡Z cv‡i|
AwaKvsk cÖwZôvb ïaygvÎ mvf©v‡ii mv‡_ `vgx BDwcGm e¨envi
K‡i| wKš‘ Gi cvkvcvwk Ab¨vb¨ †bUIqvK© Dcv`vb †hgb wcÖ›Uvi,
nve, ivDUvi BZ¨vw`‡KI A¯^vfvweK we`y¨rcÖev‡ni nvZ †_‡K myiÿv
cÖ`vb Kivi Rb¨ GKB ai‡bi e¨e¯’v †bqv DwPZ| †bUIqv‡K©i
mvwf©m me©`v mPj ivLvi Rb¨ GwU GKwU c~e©kZ©|
R) mvf©vi mgm¨v (Server Problems) t
mwZ¨Kvi A‡_© mvf©vi n‡”Q GKwU †bUIqv‡K©i cÖvY| we‡kl K‡i K¬v‡q›U mvf©vi wfwËK
†bUIqv‡K© mvf©v‡i †Kvb cÖKvi mgm¨v n‡jB Zvi cÖfve wM‡q c‡o cy‡iv †bUIqv‡K©|
mvf©v‡ii Kvi‡Y m¤¢ve¨ †h mKj mgm¨v m„wó n‡Z cv‡i Zv n‡”QÑ
 ch©vß cÖ‡mwms ÿgZvi Afve;
 ch©vß †ggwi ev ¯§„wZ fvÛv‡ii Afve;
 mvf©v‡ii nvW©wW· bó ev µvm (Crash) nIqvi d‡j WvUv ev
DcvË nvwi‡q hvIqv;
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  111
IqvK©‡÷kb †_‡K cÖvß AvB/I Aby‡iva (I/O Request) iÿv,
e¨enviKvixi cwiPq D×vi ev ev A‡_bwU‡Kkb (Authentication)
BZ¨vw`mn mvf©vi hZ †ewk mvwf©m †bUIqvK©‡K cÖ`vb Ki‡e,
wmwcBDÕi ZZ‡ewk cÖ‡mwms ÿgZvi cÖ‡qvRb n‡e| †bUIqv‡K©i
Acv‡iwUs wm‡÷g, wewfbœ ai‡bi mvwf©m Ges G¨vwcø‡Kkb
†cÖvMÖvgmg~n mwµq _vKvKvjxb mg‡q i¨vg (RAM) ev †ggwi
e¨envi K‡i| WvUv‡eR mvf©vi Ges wm‡÷g A‡_bwU‡Kkb I
wmwKDwiwUi Kv‡R wb‡qvwRZ Ggb mvf©v‡ii Rb¨I †ggix GKwU
¸iæZ¡c~Y© welq| GRb¨ mvf©v‡ii Kv‡Ri aib we‡ePbv K‡i G‡Z
h_vm¤¢e ch©vß †ggwi ms‡hvRb Kiv cÖ‡qvRb| WvUv e¨vKAv‡ci
ch©vß e¨e¯’v bv _vK‡j mvf©v‡ii nvW©wW¯‹ µvm GKwU
cÖwZôv‡bi Rb¨ fqvbK wec` †W‡K Avb‡Z cv‡i| GRb¨ mvf©v‡i
†iBW ch©vq m¤úv`b c~e©K (RAID-5) AšÍZ: wZbwU nvW©wW¯‹
¯’vcb Kiv cÖ‡qvRb| GQvov eo †bUIqv‡K©i †ÿ‡Î †Uc WªvBf I
AwZwi³ mvf©vi e¨env‡ii gva¨‡g WvUv e¨vKAvc †bqv †h‡Z cv‡i|
eZ©gv‡b A‡_©i wewbg‡q B›Uvi‡b‡Ui wewfbœ I‡qemvB‡U cÖ`Ë
myweavewj Kv‡R jvwM‡q WvUv msiÿY Kiv hvq| Z‡e G‡Z WvUv
wbivcËvi welqwU Lye GKUv gReyZ bq e‡j †KD †KD AwfgZ e¨³
K‡ib|
S) nvW©Iq¨vi ØÜ (Hardware Conflict) t
AvBAviwKD, AvB/I G¨v‡Wªm, wWGgG Ges †ggwi G‡Wªm wm‡÷g
wi‡mvm© bv‡g cwiwPZ| G‡`i g‡a¨ †bUIqvK© B›Uvi‡dm KvW© ev
wbK, g‡Wg KbwdMvi Kivi Rb¨ cÖ‡qvRb AvBAviwKD I AvB/I
G¨v‡Wªm| Z‡e ïaygvÎ wbK Gi Rb¨ wWGgG P¨v‡bj ev †ggwi
G¨v‡Wªm KbwdMvi Ki‡Z nq| GKwU wm‡÷g wi‡mvm© GKvwaK
wWfvB‡mi g‡a¨ †kqvi Kiv n‡j ev eivÏ cÖ`vb Kiv n‡j H wWfvBm
h_vh_fv‡e KvR Ki‡e bv|
AvBAviwKD (IRQ) t †Kvb GKwU wbw`©ó AvBAviwKD
GKvwaK †bUIqvK© wWfvB‡mi Rb¨ eivÏ Kiv n‡j H wWfvBm¸‡jv
h_vh_fv‡e KvR Ki‡Z cv‡i bv| AvBAviwKD (IRQ-Interrupt Request
Line) n‡”Q GK ai‡bi nvW©Iq¨vi jvBb hvi gva¨‡g wewfbœ ai‡bi
wWfvBm †hgbÑ BbcyU/AvDUcyU †cvU© (Input/Output Port),
Kx‡evW© (Keyboard), wW· WªvBf Ges †bUIqvK© B›Uvi‡dm KvW©
G‡K Ac‡ii mv‡_ evZ©v wewbgq Ki‡Z cv‡i Ges wewfbœ cÖ‡qvR‡b
wmwcBDÕi (CPU-Central Processing Unit) g‡bv‡hvM AvKl©Y K‡i|
w
w
w
.fb.com
/tanbir.cox
112  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
AvBAviwKD Kw¤úDUvi nvW©Iq¨v‡ii mv‡_ weë-Bb Ae¯’vq _v‡K
Ges G¸‡jv‡K wewfbœ ch©v‡qi AMÖvwaKvi (Priority) wba©viY K‡i
†`qv nq| AMÖvwaKvi wba©viY Kivi d‡j wmwcBD eyS‡Z cv‡i †Kvb
Aby‡ivawU me‡P‡q ¸iæZ¡c~Y© Ges †mg‡Z wmwcBD Zvi
cÖ‡mwms K‡›Uªvj Aby‡ivaKvix wWfvB‡m †cÖiY K‡i Ges
cÖ‡qvRbxq Kvh©vewj m¤úv`b K‡i|
†bUIqvK© B›Uvi‡dm ev GWvÞvi KvW©‡KI GKwU we‡kl
AvBAviwKDÕi Rb¨ Av‡MB KbwdMvi K‡i †`qv nq| GKB mvf©v‡i
hw` †Kvb Kvi‡Y GKvwaK B›Uvi‡dm KvW© emv‡bv n‡q _v‡K Zv
n‡j Zv‡`i AvBAviwKD G‡K Ac‡ii mv‡_ hv‡Z K‡i †Kvb cÖKvi ؇Üi
m„wó bv K‡i †m welqwU jÿ¨ ivLv Avek¨K| bx‡P 16wU AvBAviwKD
Ges Zv‡`i †gŠwjK dvskb Zz‡j aiv n‡jv|
AvBAviwKD (IRQ)
b¤^i
KvR (Function)
0 UvBgvi (Timer)
1 Kx‡evW©
2 AvBAviwKD 9 Gi mshy³
3 KwgDwb‡Kkb †cvU© 2 ev 4 (COM2 or
COM4)
4 KwgDwb‡Kkb †cvU© 1 ev 3 (COM1 or
COM3)
5 LPT2 or MIDI
6 d¬wc wW¯‹ K‡›Uªvjvi
7 LPT1
8 wm‡÷g K¬K
9 AvBAviwKD-2 Gi mv‡_ mshy³ ev mvDÛ
KvW©
10 †bUIqvK© B›Uvi‡dm KvW©, cÖvBgvix
¯‹vwR GWvÞvi
11 †m‡KÛvix ¯‹vwR GWvÞvi
12 wcGm/2, jwRw÷K ev evm gvDm
13 g¨v_ cÖ‡mmi (Math Processor)
14 cÖvBgvix AvBwWB nvW©wW¯‹
K‡›Uªvjvi
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  113
AvBAviwKD (IRQ)
b¤^i
KvR (Function)
15 wd« ev AwZwi³ AvBwWB
(IDE)K‡›Uªvjvi
wPÎ : DB‡ÛvR 2000 mvf©vi Acv‡iwUs wm‡÷‡g wewfbœ wWfvBm
KZ…©K e¨eüZ IRQ ZvwjKv K¨vcPvi Kiv n‡q‡Q|
AvB/I G¨v‡Wªm (I/O Address) t AvBAviwKDÕi ci wØZxq wm‡÷g
wi‡mvm© n‡”Q AvB/I G¨v‡Wªm ev †cvU© G‡Wªm| wcwmÕi g‡a¨
cÖ‡Z¨K wWfvB‡miB GKwU ev GKwU wbw`©ó mxgvi AvB/I
G¨v‡Wªm _v‡K| GKwU AvB/I G¨v‡Wªm †Kvbµ‡gB GKvwaK
wWfvB‡mi g‡a¨ eivÏ Kiv hv‡e bv| Av/BI G¨v‡Wª‡mi gva¨‡gB †Kvb
GKwU wWfvB‡mi mv‡_ †hvMv‡hvM Kiv nq| cÖwZwU wWfvB‡mi
Rb¨ AvB/I G¨v‡Wªm‡K wbw`©ó Kiv nq Pvi wWwR‡Ui
†n·v‡Wwmgvj bv¤^vi Øviv| wb‡Pi G ai‡bi K‡qKwU AvB/I
G¨v‡Wª‡mi D`vniY Zzj aiv n‡jv-
 0060 Kx-‡evW© Gi Rb¨
 01F0 cÖvBgvix nvW© WªvBf K‡›Uªvjvi-Gi Rb¨
 03F0 d¬wc WªvBf K‡›Uªvjvi Gi Rb¨
w
w
w
.fb.com
/tanbir.cox
114  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wWGgG P¨v‡bj (DMA Channel): hw` †Kvb wcwmÕi GW-Bb
KvW© (Add-in Card) ev B›Uvibvj wWfvBm wWGgG (DMA-Direct
Memory Address) mv‡cvU© K‡i, Zvn‡j GwU wWGgG K‡›Uªvjvi
bvgK wPc Gi we‡kl wdPvi¸‡jv Kv‡R jvMv‡Z cvi‡e| †Kvb wWfvBm
wWGgG P¨v‡b‡ji gva¨‡g AvB/I iæ‡Ui Zzjbvq A‡bK †ewk `ªæZ
MwZ‡Z WvUv Av`vb-cÖ`vb Ki‡Z cv‡i| wKQy wKQy wbK, mvDÛ
KvW©, wW¯‹ K‡›Uªvjvi wWGgG mv‡cvU© K‡i, wKš‘ AwaKvsk
B›Uvibvj g‡Wg wWGgG mv‡cvU© K‡i bv| GLv‡b D‡jøL Kiv fv‡jv
†h, wWGgG P¨v‡bj n‡”Q GKwU wmMb¨vj hv wWGgG WvUv
UªvÝdvi cÖwµqv Pvjy K‡i| GKwU wcwmÕi G ai‡bi 7wU wWGgG
P¨v‡bj _v‡K|
wPÎ : wewfbœ ai‡bi †bUIqvK© wi‡mvm© eivÏ †mwUs c×wZ|
†ggwi G‡Wªm (Memory Address) t PZz_© Ges me©‡kl wm‡÷g
wi‡mvm© n‡”Q †ggwi G¨v‡Wªm| KwZcq wbK QvovI wKQy wKQy
GW-Bb wWfvBm Av‡Q hviv Zv‡`i wbR¯^ e¨env‡ii Rb¨ †ek wKQy
†ggwi (i¨vg) wbw`©ó K‡i iv‡L| †ggwi wbw`©ó K‡i ivLvi G
cÖwµqvwU m¤úbœ nq †ggwi G‡Wª‡mi gva¨‡g | cÖwZwU
wWfvB‡mi Rb¨ G ai‡bi †ggwi G‡Wª‡mi GKwU Avi¤¢ Ges GKwU
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  115
†kl wVKvbv ev †jv‡Kkb _v‡K| D`vniY¯^iƒc wfwWI Kv‡W©i †ggwi
G‡Wªm n‡”QÑ
000A0000-000AFFFF_Video Memory, msL¨vi cÖ_gw`‡Ki k~Y¨¸‡jv ev`
w`‡j G¨v‡Wªm n‡e-
A0000-AFFFF_Video Memory
†bUIqvK© Uªvejmy¨wUs Uzjm
(Network Troubleshooting Tools) t
†bUIqv‡K©i mgm¨v msµvšÍ Z_¨msMÖn Ges †mB Z‡_¨i wfwˇZ mgm¨v wbim‡b eZ©gv‡b
nvW©Iq¨vi I mdU&Iq¨vi Dfq cÖKv‡ii bvbv ai‡bi Uyjm evRv‡i cvIqv hv‡”Q| Gevi G
ai‡bi eûj e¨eüZ KwZcq Uzjm wb‡q Av‡jvPbv Kiv n‡”QÑ
K) wWwRUvj †fvë wgUvi (Digital Volt Meter) t
wWwRUvj †fvë wgUvi mvaviYZ: wWwfGg (DVM) bv‡g cwiwPZ|
GwU GKwU †gŠwjK B‡jKUªwbK †fv‡ëR cwigvcK wWfvBm hv
mn‡RB GKwU †iva ev †iwR‡UÝ-Gi Dci Av‡ivwcZ †fv‡ëR gvc‡Z
cv‡i|
†bUIqvK© cwi‡e‡k wWwRUvj †fvëwgUv‡ii cÖv_wgK e¨envi n‡”Q
Zvi ev K¨ve‡ji KbwUwbDwU ev wbiwew”QbœZv (Continuity) cixÿv
K‡i †`Lv| hw` K¨ve‡ji GK cÖvšÍ †_‡K Ab¨ cÖv‡šÍ euvavnxb Ae¯’vq
we`y¨r cÖevn †c‡i cv‡i Zv n‡j eyS‡Z n‡e H K¨ve‡ji KbwUwbDwU
Av‡Q| Avi hw` we`y¨rcÖevn †iva ev euvavi m¤§yLxb nq, Zv n‡j a‡i
†bqv n‡e K¨ve‡ji †Kv_vI wew”Qbœ Kiv Av‡Q ev G‡Z †eªK (Break)
Av‡Q|
K¨ve‡ji †Kv_vq kU© (Short) Av‡Q wK bv Zv wWwRUvj †fvë
wgUvi w`‡q cixÿv K‡i †`Lv m¤¢e| †fvë wgUv‡ii GKwU jxW (Lead)
K¨ve‡ji Af¨šÍi fv‡Mi g~j Zvi ev †Kv‡i (Core) Ges Aci jxWwU evB‡ii
AveiY ev kx‡ì (Shield) ¯’vcb Ki‡Z n‡e| G Ae¯’vq hw` †fvëwgUvi
we`y¨rcÖev‡ni cÖgvY cvIqv hvq Zvn‡j eyS‡Z n‡e †Kvi Ges K¨ve‡ji
kxì †Kvb GK RvqMvq G‡K Aci‡K ¯úk© K‡i‡Q Ges Gi d‡j kU©
(Short) Ae¯’vi m„wó n‡q‡Q|
w
w
w
.fb.com
/tanbir.cox
116  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
L) †Uvb †jv‡KUi (Tone Locator) t A‡bK mgq †bUIqvK©
UªvejmywUs Ki‡Z wM‡q Avcbv‡K GKMv`v †bUIqvK© K¨ve‡ji ga¨
†_‡K ÎæwUc~Y© †cvU© ev K¨vej‡K Avjv`v Ki‡Z n‡Z cv‡i| Avi G
KvRwU Kivi Rb¨ Avcbv‡K we‡klfv‡e mvnvh¨ Ki‡Z cv‡i †Uvbvi|
†Uvb †jv‡KUi ev †Uvbvi n‡”Q `ywU wfbœ wWfvB‡mi mgš^q, hviv
GK‡Î KvR K‡i| wWfvBm `ywUÕi GKwU n‡”Q †Uvb †Rbv‡iUi (Tone
Generator) Ges AciwU †Uvb‡cÖve (Tone Probe)| GKwU wK¬‡ci
gva¨‡g †Uvb †Rbv‡iUi K¨ve‡ji gva¨‡g mshy³ n‡q _v‡K Ges GKwU
wbw`©ó wd«‡Kv‡qwÝi B‡jKwUªK¨vj wmMb¨vj †cÖiY K‡i|
†cÖvewU †Uvb †Rbv‡iU‡ii mv‡_ mshy³ K¨ve‡ji Kv‡Q Avm‡j GwU
kã wbM©Z K‡i|
wPÎ : †Uvb †jv‡KUi |
GKwU wbw`©ó †bUIqvK© K¨vej ev †cvU©‡K c„_K Ki‡Z n‡j cÖ_‡g
†Uvb †Rbv‡iUi‡K K¨ve‡ji mv‡_ mshy³ Ki‡Z nq, Gici †Uvb †cÖve‡K
m¤¢ve¨ Ab¨ mKj K¨ve‡ji wbKU wb‡q hvIqv nq| G ch©v‡q cixÿvaxb
K¨ve‡ji wbKUeZx© n‡jB †Uvb †cÖvewU GKwU kã m„wó K‡i| Ggb
wKQy †Uvbvi Av‡Q hvi GKwU gvÎ †cÖve A‡bK¸‡jv †Uvb
†Rbv‡iU‡ii mv‡_ GKB mv‡_ KvR Ki‡Z cv‡i| G‡ÿ‡Î cÖwZwU
†Rbv‡iUi wfbœ wfbœ wd«‡Kv‡qwÝi wmMb¨vj Drcbœ K‡i Ges
†cÖve cÖ‡Z¨K wmMb¨v‡ji Rb¨ wfbœ wfbœ kã ˆZwi K‡i _v‡K|
†bUIqvK© mv‡cvU© Ges myiÿvi KvRwU Lye fv‡jvg‡Zv Ki‡Z n‡j
Avcbv‡K K¨vej †U÷v‡ii mv‡_ Aek¨B GKwU
†Uvbvi e¨envi Ki‡Z n‡e|
M) UvBg †Wv‡gBb wi‡d¬‡±vwgUvi
(Time Domain Reflectometer) t
GKwU UvBg †Wv‡gBb wi‡d¬‡±vwgUvi ev
wUwWAvi wbqwgZ weiwZ‡Z K¨ve‡ji ga¨ w`‡q
ˆe`y¨wZK cvjm (Pulse) cvVv‡Z _v‡K| K¨ve‡ji ga¨
w`‡q WvUv wmMb¨vj Av`vb-cÖ`v‡b euvav w`‡Z
cv‡i Ggb ÎæwU ev wew”Qbœ Ae¯’v wbY©‡qi Rb¨
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  117
UvBg †Wv‡gBb wi‡d¬‡±vwgUvi e¨eüZ nq| wWwRUvj †fvëwgUvi
Ges UvBg †Wv‡gBb wi‡d¬‡±vwgUv‡ii g†a¨ cv_©K¨ n‡”Q
wWwRUvj †fvëwgUvi ïaygvÎ Zv‡ii g‡a¨ †Kvb wew”QbœZv ev †eªK
Av‡Q wK bv Zv wbY©q K‡i, Ab¨ w`‡K wUwWAvi wbw`©ó K‡i e‡j
†`q H wew”Qbœ As‡ki Ae¯’vb Zv‡ii GK cÖvšÍ †_‡K KZ `~‡i
Aew¯’Z|
wPÎ t wUwWAvi Gi e¨envi|
Gi d‡j wUwWAvi e¨envi K‡i mn‡R H wew”Qbœ As‡ki Ae¯’vb Rvbv
hvq Ges Zv AcmviY Kiv hvq| G KvRwU Kivi Rb¨ wUwWAvi cvjm
wiwWs GbvjvBwmm ev we‡kølY K‡i Ges AZ:ci Zv c`©vq cÖ`k©b
K‡i _v‡K| GKwU Pjgvb cvjm K¨ve‡ji wew”Qbœ As‡k †cuŠQv‡bvi
mgq Ges †mLvb †_‡K †dir Avmvi (Bounce Back) mgq cwigvc K‡i
K¨ve‡ji GK cÖvšÍ †_‡K wew”Qbœ As‡ki `~iZ¡ wbY©q Kiv nq|
wUwWAvi B‡jKwUªK¨vj K¨vej Ges dvBevi wfwËK K¨vej Df‡qi
Rb¨B mgfv‡e Kvh©Ki|
N) Imwm‡jv‡¯‹vcm (Oscilloscopes):
Imwm‡jv‡¯‹vcm n‡”Q GKwU B‡jKwUªK¨vj wWfvBm ev hš¿ hv
w`‡q †Kvb wKQyi Dci Av‡ivwcZ wmMb¨vj †fv‡ë‡Ri cwigvY gvcv
hvq| Gi wWm‡cø BDwb‡U wiwWs ev †fv‡ë‡Ri cwigvY cÖ`wk©Z
nq| Imwm‡jv‡¯‹vcm hLb wUwWAviÕGi mv‡_ GK‡Î e¨envi Kiv nq,
ZLb Giv mw¤§wjZfv‡e K¨ve‡ji kU© nIqv Ask, wew”Qbœ Ask,
GwUwbD‡qkb (Attenuation) ev wmMb¨v‡ji kw³ nviv‡bvi cwigvY,
euvKv‡bv BZ¨vw` ÎæwU¸‡jv cÖ`k©b Ki‡Z cv‡i|
O) D”P gv‡bi K¨vej cixÿK (Advanced Cable Tester)t
G ai‡bi K¨vej cixÿK ïaygvÎ K¨ve‡ji wew”Qbœ Ask ev ÎæwU awi‡q
w`‡qB `vwqZ¡ †kl K‡i bv eis Gi mvnv‡h¨ K¨ve‡ji †iva ev †iwR‡÷Ý
(Resistance), Bw¤ú‡WÝ (Impedance) Ges GwUwbD‡qkb gvcv hvq
Ges Zv c`©vq cÖ`k©b Kiv hvq|
w
w
w
.fb.com
/tanbir.cox
118  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : K¨vej †U÷vi
K¨vej cixÿK w`‡q ev¯Íe mg‡q (Real Time) †UIqv‡K©i wb‡æv³
†ÿÎmg~‡ni Z_¨ msMÖn Kiv hvq-
 fyj †d«g MYbv (Error Frame Count)
 evZ©v †d«g MYbv (Message Frame Count)
 ms‡KZ cÖ`vb (Beaconing)
 Kb‡Rkb ÎæwU (Congestion Error)
 AwZwi³ msNl© (Excess Collisions)
 wejw¤^Z msNl© (Late Collisions)
GQvov GB K¨vej cixÿK †bUIqvK© UªvwdK gwbUi Ki‡Z cv‡i|
GQvov K¨vej cixÿK `ywU mywbw`©ó Kw¤úDUvi ev wWfvB‡mi
g‡a¨ WvUv UªvwdK AbymiY Ki‡Z mÿg| mgm¨vi KviY n‡Z cv‡i-Ggb
m‡›`nRbK K¨vej, †bUIqvK© B›Uvi‡dm KvW© m¤ú‡K©I K¨vej
cixÿK Z_¨ mieivn Ki‡Z mÿg|
P) †cÖv‡UvKj we‡kølK (Protocol Analyzer):
†cÖv‡UvKj we‡kølK ev GbvjvBRvi ev¯Íe mg‡q †bUIqvK© UªvwdK
we‡kølY Ki‡Z cv‡i I Gi cwimsL¨vb w`‡Z mÿg| GQvov †m
cÖ‡qvRbxq WvUv c¨v‡KU UªvÝwgU, `Lj (Capture) Ges wW‡KvWI
(Decode) Ki‡Z mÿg| GwU m¤¢veZ †bUIqvK© BwÄwbqvi‡`i Kv‡Q
me‡P‡q RbwcÖq GKwU Uzj hvi gva¨‡g †bUIqv‡K©i mg¯Í cixÿv
wbixÿv Pvjv‡bv hvq| †cÖv‡UvKj GbvjvBRv‡ii mvnv‡h¨ †bUIqv‡K©i
wb‡æv³ mgm¨v¸‡jv wbY©q Kiv m¤¢e|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  119
 †bUIqv‡K©i `ÿZvi AebwZ (Degradation of Network Performance)
 APj †bUIqvK© B›Uvi‡dm KvW© (Failing Netework Interface
Card)
 ms‡hvM ÎæwU (Connection Errors)
 ÎæwUc~Y© †bUIqvK© Dcv`vb (Faulty Network Components)
 †cÖv‡UvKjRwbZ mgm¨v (Protocol Problems)
 m¤cÖPvi So (Broadcast Storms)
nvW©Iq¨vi †cÖv‡UvKj GbvjvBRv‡ii mv‡_ weë-Bb Ae¯’vq GKwU
wUwWAvi _v‡K, d‡j GwU Lye mn‡RB K¨ve‡ji wew”Qbœ Ask
wPwýZ Ki‡Z cv‡i| g~jZ: nvW©Iq¨vi †cÖv‡UvKj GbvjvBRvi
IGmAvB g‡W‡ji me¸‡jv †j‡fj ev ch©v‡q WvUv UªvwdK we‡kølY
Ki‡Z mÿg| myZivs †cÖv‡UvKj GbvjvBRv‡ii mvnv‡h¨ †bUIqv‡K©i
GKwU we‡kl †mM‡g‡›Ui Kvh©KvwiZv g~j¨vqb Kiv m¤¢e Ges H
†mM‡g‡›U GKwU Kw¤úDUvi wK cwigvY WvUv Av`vb-cÖ`vb K‡i
†mwU cwigvc Kiv hvq| Dc‡iv³ †cÖv‡UvKj GbvjvBRvi‡K IqvBW
Gwiqv †bUIqvK© (Wide Area Network) Ges B›Uvi‡b‡U wK ai‡bi
†cÖv‡UvKj PjvPj Ki‡Q Zvi wnmve ivLvi Kv‡RI e¨envi Kiv hvq|
Q) †bUIqvK© gwbUi (Network Monitor)t
gvB‡µvmdU BD‡ÛvR GbwUÕi mv‡_ †bUIqvK© gwbUi GKxf~~Z Ae¯’vq Av‡m| GwU
†cÖv‡UvKj GbvjvBRvi mdUIq¨vi fvm©b ev Gi ev¯Íevqb| †bUIqvK© gwbUi IqvK©‡÷k‡b
WvUv UªvwdK K¨vcPvi Ges Zv gwbUi Ki‡Z cv‡i| GQvov †bUIqvK© gwbUi WvUv c¨v‡K‡Ui
aib, ÎæwU BZ¨vw` wW‡KvW Ges we‡kølY K‡i we¯ÍvwiZ cwimsL¨vb cÖ`vb Ki‡Z mÿg| Gi
evB‡i †bUIqvK© GWwgwb‡÷ªU‡ii eySvi myweav‡_© wewfbœ mgqKvj ev weiwZ‡Z †bUIqvK©
UªvwdK m¤úwK©Z Z_¨vewj MÖvd ev †jLwPÎ AvKv‡i Dc¯’vcb/cÖ`k©b Ki‡Z cv‡i|
w
w
w
.fb.com
/tanbir.cox
120  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : wm‡÷g gwbU‡ii gva¨‡g K¨vcPviK…Z wewfbœ wi‡mvm© e¨env‡ii
Ae¯’v †`Lv‡bv n‡q‡Q| (wjbv·)
†bUIqv‡K©i †eRjvBb (Baseline) `ÿZv cwimsL¨vb wbY©‡q
†bUIqvK© gwbU‡ii f~wgKv LyeB ¸iæZ¡c~Y© Ges Gi †_‡K cÖvß
cwimsL¨vb Kv‡R jvwM‡q †bUIqv‡K©i A¯^vfvweK Kg©KvÛ ev
ÎæwU mn‡R †ei Kiv hvq| Dc‡ii wP‡Î †bUIqv‡K©i wewfbœ Z_¨ I
cwimsL¨vb m¤úwK©Z ÷¨vUvm wm‡÷g gwbUi cÖ`wk©Z n‡jv|
GLv‡b †`Lv hv‡”Q wmwcBDÕi gvÎ kZKiv 21.78 fvM e¨envi n‡q‡Q|
GQvov 122 †gMvevBU †g‡gvwii g‡a¨ 116 †gMvevBU e¨eüZ n‡q‡Q|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  121
wPÎ : K¨vcPviK…Z WvUv c¨v‡K‡Ui Ae¯’v †bUIqvK© gwbU‡i cÖ`wk©Z
n‡”Q| (DB‡ÛvR)
R) `ÿZv gwbUi (Performance Monitor):
DB‡ÛvR GbwUÕi `ÿZv gwbUi bvgK mdUIq¨vi UzjwU dvBj mvf©v‡ii Af¨šÍ‡i msNwUZ
hveZxq Kg©KvÛ gwbUi Kivi Kv‡R e¨eüZ nq| GQvov `ÿZv gwbU‡ii mvnv‡h¨
†bUIqv‡K©i wb‡æv³ welq¸‡jv m¤ú‡K© AeMZ nIqv hvq|
 mvf©v‡ii AvIZvaxb mg¯Í mvwf©m Ges wWfvB‡mi
Kg©KvÛ
 †bUIqvK© UªvwdK
 GKwU wbw`©ó mgqKv‡j mvf©v‡ii Dci †h cwigvY Kv‡Ri
Pvc ev IqvK©‡jvW (Workload) c‡o |
S) B‡f›U jM ch©‡eÿY (Observation of Event Log) :
B‡f›U jM wm‡÷‡gi ev G¨vwcø‡Kk‡bi ¸iæZ¡c~Y© NUbvewj
wbqwgZfv‡e †iKW© Ki‡Z _v‡K| GB NUbvewj B‡f›U j‡M
w
w
w
.fb.com
/tanbir.cox
122  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
mveavbevYx (Warning), ÎæwU (Error), Z_¨ (Information) BZ¨vw` AvKv‡i
cÖ`wk©Z nq| bx‡Pi Qwe‡Z G ai‡bi GKwU B‡f›U jM cÖ`k©b Kiv
n‡jv|
wPÎ : B‡f›U j‡M cÖ`wk©Z †bUIqv‡Ki© wewfbœ mgm¨v msµvšÍ Z_¨|
wjbv· Acv‡iwUs wm‡÷‡gI G ai‡bi jM i‡q‡Q| GwU wm‡÷g jM bv‡g cwiwPZ| wm‡÷g
j‡Mi Aax‡b Avevi †ek KZK¸‡jv Ackb i‡q‡Q| G¸‡jvi g‡a¨ cÖavb Ackbmg~n n‡”Q
eyU jM, GcvwP G‡ivi jM, wmwKDwiwU jM, wm‡÷g jM BZ¨vw`| wb‡Pi Qwe‡Z eyU j‡Mi
Aax‡b wewfbœ Gw›Uª †`Lv‡bv n‡jv| Gme Gw›Uª †`‡L Avcwb Abygvb Ki‡Z mÿg n‡eb
†bUIqv‡K© Avcbvi Kw¤úDUviwU wVKg‡Zv KvR Ki‡Q wK bv ev †Kvb cÖKvi mgm¨v
Kw¤úDUv‡i †`Lv w`‡q‡Q wKbv| Gme jM Gw›Uªi Ici wfwË K‡i Avcwb cÖ‡qvRbxq
mveavbZv Aej¤^b Ki‡Z cv‡ib|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  123
wPÎ : wjbv· Acv‡iwUs wm‡÷‡gi wm‡÷g j‡M wewfbœ ai‡bi Gw›Uª|
T) BKz¨c‡g›U jM (Equipment Log) : mvf©v‡ii g‡Zv Ab¨vb¨
†bUIqvK© wWfvBm †hgb nve, ivDUvi BZ¨vw` Zv‡`i wb‡R‡`i jM
msiÿY K‡i _v‡K| K‡qKwU c×wZ Aej¤^‡bi Øviv G jM¸‡jv cixÿv K‡i
†`Lv hvq| G ai‡bi K‡qKwU c×wZ GLv‡b Zz‡j aiv n‡jvÑ
 GmGbGgwc (SNMP-Simple Network Management Protocol)t GB
†cÖv‡UvKjwU Avcbv‡K †bUIqvK© wWfvB‡mi ÷¨vUvm Ges
jMW Bbdi‡gkb D×vi Ges Zv covi my‡hvM K‡i w`‡e| GRb¨ Aek¨
Avcbv‡K GmGbGgwc K¤úvU¨vej g¨v‡bR‡g›U †cÖvMÖvg †hgb
HP OpenView, Sun NetManage, Novell ManageWise BZ¨vw`i mvnvh¨
wb‡Z n‡e| G ai‡bi g¨v‡bR‡g›U †cÖvMÖvg wWfvBm cixÿv Kivi
KvRwU wbR †_‡KB Ki‡e| Gi gva¨‡g Avcwb G‡ivi (Error) Ges
mZK© (Alert) Ae¯’v wbw`©ó K‡i w`‡Z cv‡ib| G Z_¨¸‡jv Kg©iZ
†bUIqvK© GWwgwb‡÷ªU‡ii wbKU B-‡gB‡ji gva¨‡g m¤¢ve¨
mgm¨v wbY©q Ges Zvi mgvav‡bi Rb¨ †cÖiY Kiv hvq|
 I‡qe B›Uvi‡dm (Web Interface)t †bUIqv‡K©i ga¨ w`‡q
wewfbœ wWfvBm †mUAvc Ges g¨v‡bR‡g›U-Gi Rb¨ G¸‡jv
G¨vK‡mm Kivi RbwcÖq Av‡iKwU Uzj n‡”Q GB I‡qe
B›Uvi‡dm| Gi Rb¨ Avjv`v †Kvb g¨v‡bR‡g›U Uzj Gi cÖ‡qvRb nq
bv| Avcwb †h‡Kvb I‡qe eªvDRv‡ii gva¨‡gB wWfvBm †mUAvc
Ges e¨e¯’vcbvi KvR Ki‡Z cv‡ib|
w
w
w
.fb.com
/tanbir.cox
124  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : wmm‡Kvi GmGbGgwc KbwdMv‡ikb DB‡Ûv|
†bUIqvK© `ÿZv wbwðZKi‡Yi Rb¨ †KŠkjvw`
(Techniques for Ensuring Network Performance)
†bUIqv‡K©i Kg©`ÿZv e¨vnZ Ki‡Z cv‡i Ggb m¤¢ve¨ mgm¨vewj B‡Zvc~‡e© Av‡jvPbv Kiv
n‡q‡Q| GLb G mKj mgm¨v wbiƒcY Kiv Ges Zv `~i Kivi Rb¨ eûj cÖPwjZ †h mKj
Uzjm Ges †UKwbK e¨envi Kiv nq †m wel‡q Av‡jvKcvZ Kiv n‡e|
K) wcs (PING) t
wUwmwc/AvBwc wfwËK †bUIqv‡K© †Kvb iKg mgm¨v †`Lv w`‡j †bUIqvK© GWwgwb‡÷ªUi
me‡P‡q †ewk †h A¯¿wU e¨envi K‡ib Zv n‡jv Wm †cÖv¤úU-Gi wcs (c¨v‡KU B›Uvi‡bU
†Mvdvi) KgvÛ| †bUIqv‡K© m„ó mgm¨v Zwor WvqvMbwmm Kivi GwU GKwU ¸iæZ¡c~Y© Uzj|
wcs ivDUv‡ii Rb¨ AwaK Kvh©Kix| KviY GwU cÖwZwU B›Uvi‡dm cixÿv K‡i †`‡L| hw`I
wcs KgvÛ g~jZ: `y‡Uv †nv÷ Kw¤úDUv‡ii g‡a¨ ms‡hvM cixÿv K‡i | wcs KgvÛ Zvi
Kv‡Ri Rb¨ we‡kl GK ai‡bi †cÖv‡UvKj B›Uvi‡bU K‡›Uªvj †g‡mR †cÖv‡UvKj (ICMP)
e¨envi K‡i _v‡K|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  125
wPÎ : wcs Kgv‡Ûi mv‡_ †nv÷ †bg e¨envi Kiv n‡q‡Q|
wcs KgvÛ me©cÖ_g †bUIqv‡K© †Kvb †nv‡÷i Dcw¯’wZ Rvb‡Z †P‡q GKwU wmMb¨vj cvVvq,
Uv‡M©UK…Z wcwm †bUIqv‡K© mPj _vK‡j GB wmMb¨v‡ji Reve †`q| wcs KgvÛ Zvi wbR¯^
e¨e¯’vcbvi gva¨‡g wmMb¨vj Drcbœ nevi mgq Ges †nv÷ wcwm †_‡K DËi cvevi mg‡qi
e¨eavb MYbv K‡i Ges Zv †iKW© K‡i iv‡L| Uv‡M©U wVKvbvi wcwm †bUIqv‡K© mPj Av‡Q
wKbv GB Z_¨ cÖ`vb K‡iB wcs KgvÛ Zvi `vwqZ¡ †kl K‡i †`q bv eis GB `yB wcwmÔi
†hvMv‡hv‡Mi ga¨eZ©x mgqKvj Lye †ewk j¤^v wKbv †h wel‡qI mywbw`©ó WvUv cÖ`vb K‡i |
GB mgqKvj †_‡K †bUIqv‡K©i `ÿZv m¤ú‡K© ¯úó aviYv †c‡Z cv‡ib †bUIqvK©
GWwgwb‡÷ªUi|
wPÎ : wcs KgvÛ e¨env‡ii djvdj|
w
w
w
.fb.com
/tanbir.cox
126  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wcs KgvÛ e¨envi Ki‡Z n‡j Wm †cÖv¤úU- G wM‡q `PING` KgvÛwU wj‡L Gici Uv‡M©U ev
†nv÷ wcwmi bvg ev AvBwc G¨v‡Wªm wjL‡Z nq| KgvÛ †`qv n‡j †nv÷ wcwm †_‡K cÖvß
Reve Ges GB Reve †c‡Z KZ wgwj‡m‡KÛ mgq e¨q n‡q‡Q Zvi †iKW© DB‡Ûv‡Z †f‡m
D‡V| †bUIqv‡K© wcs KgvÛ e¨envi msµvšÍ G ai‡bi GKwU wPÎ Dc‡i Zz‡j aiv n‡jv| wcs
KgvÛ m¤ú‡K© Avcbv‡K Av‡iv we¯ÍvwiZ Rvb‡Z n‡j KgvÛ †cÖv¤úU-G wM‡q ‘PING’ /?
UvBc K‡i Enter Kx Pvcyb|
hw` wcs KgvÛ †Kvb AvBwc G¨v‡Wªm wPwýZ Ki‡Z cv‡i wKš‘ H wb‡`©wkZ G¨v‡Wª‡m †cŠuQ‡Z
bv cv‡i Zvn‡j wcs KgvÛ UvBg AvD‡Ui ci GKwU †g‡mR c`©vq cÖ`k©b K‡i| Gi
†g‡mR¸‡jvi e¨vL¨v wbæiƒc:
†g‡mR e¨vL¨v Ges m¤¢ve¨ KviY
æUnknown
host”
Kgv‡Û wb‡`©wkZ AvBwc G¨v‡Wª‡mi †nv÷wU Luy‡R cvIqv hv‡”Q
bv| wcs Kgv‡Û nq‡Zv fyj †Kvb AvBwc G¨v‡Wªm wb‡`©k Kiv
n‡q‡Q ev e¨eüZ n‡”Q bv Ggb †Kvb wWGbGm †bg e¨envi Kiv
n‡q‡Q|
æDestination
Host
Unreachable”
AvBwc G¨v‡Wª‡mi mswkøó †nv‡÷ †cŠuQv‡bv hv‡”Q bv| G‡ÿ‡Î
ivDwUsRwbZ mgm¨v _vK‡Z cv‡i| Avcwb h_vh_ wWdë †MUI‡q
e¨envi K‡i‡Qb wKbv Zv cixÿv K‡i wbwðZ n‡Z cv‡ib|
L) †UªmiæU (Traceroute)
wcs Kgv‡Ûi mvnv‡h¨ †bUIqv‡K©i †Kvb ÎæwUc~Y© †nv÷ Luy‡R †ei Kiv GK †N‡qwg e‡j Kv‡iv
Kv‡iv Kv‡Q g‡b n‡Z cv‡i| G‡`i Rb¨ GB †UªmiæU GKwU we‡kl AvKl©Yxq GKwU Uzj
wn‡m‡e Kv‡R Avm‡Z cv‡i| GB KgvÛ `y‡Uv †nv‡÷i g‡a¨ iæU mbv³ ev †Uªm K‡i _v‡K|
wcs KgvÛ mgm¨v wbY©‡q e¨_© n‡j Avcwb †UªmvU© KgvÛ e¨envi K‡i GKwU wbw`©ó ivDUvi
ch©šÍ mgm¨v mbv³ Ki‡Z cv‡ib| GB KgvÛwU †nv÷ Ges †Ww÷‡bkb Gi g‡a¨ hZ¸‡jv
iæU Av‡Q Zvi cÖ‡Z¨‡Ki ZvwjKv cÖ`k©b K‡i| DB‡ÛvR GbwUÔi Aax‡b GwU †UªmvU©
(Tracert) bv‡g cwiwPZ|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  127
wPÎ : †UªmvU© KgvÛ e¨env‡ii djvdj|
wcs Gi g‡Zv KgvÛ Wm †cÖv¤úU-G wM‡q †UªmvU© ev †UªmiæU ivb Ki‡Z nq| †UªmvU© KgvÛ
†jLvi ci Uv‡M©U †nv‡÷i bvg ev Gi AvBwc wVKvbv wjL‡Z nq| †UmvU© KgvÛ †`qv n‡j
†U÷ wmMb¨vj DrcbœKvix wcwm Ges Uv‡M©U wcwmÔi (hv‡K mgm¨v AvµvšÍ e‡j g‡b Kiv
n‡”Q) g‡a¨ hZ¸wj wUwmwc/ AvBwc ms‡hvM Av‡Q Zvi cÖ‡Z¨KwUi Kv‡bKwUwfwU Ges mvov
†`qvi ÿgZv GK mv‡_ cixÿv n‡q hvq|
†UªmiæU KgvÛ GKwU we‡kl WvUv c¨v‡KU cieZx© wbKUZg †nv÷ (Up stream host) ev
wbKUZg wUwmwc/AvBwc †MUI‡q‡Z cvVvq| G KvRwU †m K‡i g~jZ: †Uªmiæ‡Ui AvIZvq
wewfbœ MšÍe¨(Destination) Uv‡M©U †nv‡÷i ZvwjKv cªYq‡bi Rb¨| cÖ_g Avcw÷ªg †nv÷wU
hw` †bUIqv‡K© mPj _v‡K Zvn‡j WvUv c¨v‡KU Gi Drm †nv‡÷i wbKU wcs mgZzj¨ GKwU
wmMb¨vj †cÖi‡Yi gva¨‡g mvov †`q| Drm Kw¤úDUvi †_‡K WvUv c¨v‡KU cÖvwßi ¯^xKviI
Kiv nq G mgq| Gi ci H cÖ_g Avcw÷ªg †nv÷ †UªmiæU WvUv c¨v‡KU cieZ©x Avcw÷ªg
†nv‡÷i wbKU diIqvW© ev AMÖvqY K‡i †`q| hZÿY ch©šÍ bv MšÍe¨¯’j ev †Ww÷‡bkb
†nv‡÷i mÜvb cvIqv hvq ZZÿYB G cÖwµqv Pj‡Z _v‡K| Z‡e Gi g‡a¨ hw` WvUv
c¨v‡K‡Ui wba©vwiZ Avqy®‹vj ev wUwUGj (TTL-Time to Live) †kl n‡q hvq Zvn‡j G
cÖwµqvi cwimgvwß N‡U| wcs Gi g‡ZvB †UªmiæU BDwUwjwUi †ek KZK¸‡jv KbwdMv‡ikb
w
w
w
.fb.com
/tanbir.cox
128  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
Ackb Av‡Q| DB‡ÛvR GbwU Acv‡iwUs wm‡÷‡g †UªmiæU m¤ú‡K© we¯ÍvwiZ Rvb‡Z n‡j
KgvÛ ev Wm †cÖv¤úU G wM‡q TRACERT/? UvBc Kiæb|
eo †bUIqv‡K©i ÎæwUc~Y© Ask ev †mM‡g›U c„_KKi‡Yi †ÿ‡Î †UªmiæU AZ¨šÍ Kvh©Kix|
KviY Gi gva¨‡g †bUIqvK© GWwgwb‡÷ªUi Lye mn‡RB Rvb‡Z cv‡ib †Kvb †MUI‡q
wWfvBmwU †cÖwiZ WvUv wmMb¨v‡j mvov w`‡”Q bv Ges †MUI‡qi †Kvb †cvU©wU APj n‡q Av‡Q
BZ¨vw`| mvov †`Iqvi mg‡qi (Response Time) cwimsL¨vb †_‡K †UªmiæU Avcbv‡K
AewnZ Ki‡e †bUIqv‡K©i †Kvb Ask ev †mM‡g›UwU axi MwZm¤úbœ n‡q c‡o‡Q|
wUwmwc/AvBwc wfwËK †bUIqvK© GWwgwb‡÷ªk‡bi Rb¨ †UªmiæU I wcs Uy‡ji mgwš^Z e¨envi
†bUIqv‡K©i ÎæwU †ei Kiv Ges Zvi mgvav‡bi Rb¨ GKwU †gvÿg A¯¿ ˆe wK|
M) AvBwcKbwdM (ipconfig)
hw`I AvBwcKbwdM BDwb· †_‡K D™¢~Z †Kvb KgvÛ bq Zvic‡iI
GB KgvÛwU †bUIqvK© mgm¨v mgvav‡b †ek Kvh©Kix GKwU Uzj|
we‡kl K‡i †bUIqv‡K©i †nv÷¸‡jv AvBwc G¨v‡Wªm wbY©‡q GB
KgvÛwUi †Kvb weKí †bB| KgvÛwU e¨envi Ki‡Z n‡e Wm †cÖv¤úU
†_‡K| AvBwcKbwd‡Mi KgvÛ jvBbwU wbæiƒc t
>ipconfig
wPÎ : AvBwcKbwdM KgvÛ cÖ‡qv‡Mi dj|
†bUIqv‡K©i †nv÷¸‡jv m¤ú‡K© Av‡iv we¯ÍvwiZ Z_¨ Rvb‡Z n‡j
wbæiƒc KgvÛ cÖ`vb Ki‡Z n‡e-
>ipconfig /all ! more
wb‡Pi wP‡Î wVK G ai‡bi GKwU AvBwcKbwdM Kgv‡Ûi djvdj
cÖ`k©b Kiv n‡jv-
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  129
wPÎ : AvBwcKbwdM Kgv‡Ûi djvdj|
N) GAviwc (ARP): G¨v‡Wªm †iRy¨‡jkb †cÖv‡UvKj ev GAviwc
mswkøó mgm¨v wbY©‡qi Rb¨ GB BDwUwjwU KgvÛwU e¨envi Kiv
nq| wUwmwc/AvBwc †cÖv‡UvKj my¨B‡Ui †nv÷, GAviwc
†cÖv‡UvKj e¨envi K‡i †bUIqvK© B›Uvi‡dm Kv‡W©i g¨vK (MAC)
G¨v‡Wªm mbv³ K‡i| †bUIqvK© KvW© ev wbKÕGi GB wdwRK¨vj
G¨v‡WªmwU Aek¨B GKwU jwRK¨vj AvBwc G¨v‡Wª‡mi mv‡_
m¤úwK©Z _v‡K| GAviwc BDwUwjwU hLb-a Ackb mnKv‡i e¨envi
Kiv nq ZLb †m AvBwc G¨v‡Wªm Ges †bUIqvK© Kv‡W©i g¨vK
G‡Wªm `y‡UvB cÖ`k©b K‡i| G ai‡bi GKwU Kgv‡Ûi djvdj wb‡Pi
Qwe‡Z †`Lv‡bv n‡jvÑ
wPÎ : ARP –a Kgv‡Ûi AvDUcyU|
w
w
w
.fb.com
/tanbir.cox
130  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
†Kvb †cvU© wVKg‡Zv KvR Ki‡Q wKbv Zv wbwðZ n‡Z cv‡ib Gi m‡½ ev ms‡hv‡Mi gva¨‡g|
Dfq Kgv‡Ûi gva¨‡g Avcwb wWdë †cv‡U©i cwie‡Z© Ab¨ †Kvb †cvU© wbw`©ó K‡i w`‡Z
cv‡ib|
O) DB‡ÛvR GbwUi cvidi‡gÝ gwbUi
(Windows NT Performance Monitor)
DB‡ÛvR GbwU Ges DB‡ÛvR 2000 mvf©vi Acv‡iwUs wm‡÷‡gi mv‡_ Avmv cvidi‡gÝ
gwbUi UyjwU †bUIqv‡K©i wewfbœ ai‡bi mgm¨v wbiƒc‡Yi GKwU h_v_© Dcvq| DB‡ÛvR GbwU
wm‡÷‡g cvidi‡gÝ gwbU‡ii Ae¯’vb n‡”Q Start †gby¨i Program †dvìv‡ii
Addministrative Tools Gi g‡a¨| cvidi‡gÝ gwbU‡ii mvnv‡h¨ cy‡iv wm‡÷g Ges
†bUIqvK© Kg©KvÛ mwVKfv‡e ch©‡eÿY Kiv m¤¢e| GQvov cvidi‡gÝ gwbU‡ii mvnv‡h¨
wb‡æv³ Kg©KvÛ¸‡jv m¤úv`b Kiv †h‡Z cv‡iÑ
 wewfbœ †bUIqvK© mvwf©‡mi cwimsL¨vb ch©‡eÿY Kiv
 mvf©vi I IqvK©‡÷k‡bi wUwmwc/AvBwc msµvšÍ cwimsL¨vb|
 wewfbœ ch©v‡qi WvUv UªvwdK ev †jv‡W (Load) †bUIqvK© e¨vÛDBW‡_i Ae¯’v|
 B›UviG¨vKwUf (Interactive) c×wZ‡Z wewfbœ cwimsL¨vb PvU© (Chart) AvKv‡i
c`©vq ch©‡eÿY Kiv|
 jM dvsk‡bi (Log Function) mvnv‡h¨ †bUIqvK© cvidi‡gÝ jM Drcbœ I
ch©‡eÿY Kiv|
 m¤¢ve¨ mgm¨v AvµvšÍ †bUIqvK© wWfvBm I †mM‡g›U¸‡jvi Ae¯’vb I
mZKx©KiY (Alert) evZ©v c`©vq ch©‡eÿY Kiv|
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  131
wPÎ : †bUIqvK© cvidi‡gÝ msµvšÍÍ †jLwPÎ|
P) †bUIqvK© we‡kølK (Network Analyzer)t
†bUIqvK© we‡kølK ev G¨vbvjvBRvi g~jZ: wWRvBb Kiv n‡q‡Q †bUIqv‡K©i ga¨ w`‡q WvUv
cÖev‡ni MwZwewa jÿ¨ Kivi Rb¨| GB G¨vbvjvBRv‡ii mvnv‡h¨ †bUIqvK© GwWwgwb‡÷ªUi
wgwWqv K¨ve‡ji ga¨ w`‡q cÖevwnZ WvUv c¨v‡K‡Ui aib, Gi µg web¨vm (Order) Ges
c¨v‡K‡Ui Af¨šÍ‡i wK cwigvY WvUv Av‡Q Zv ch©‡eÿY Ki‡Z cv‡i|
w
w
w
.fb.com
/tanbir.cox
132  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c 
wPÎ : j¨vbvjvBRvi Øviv GKwU †bUIqvK© G¨vbvjvBwmm K‡i Zvi
†_‡K cÖvß dj|
evRv‡i wewfbœ ai‡bi †bUIqvK© G¨vbvjvBRvi eZ©gv‡b cvIqv hvq| G¸‡jvi g‡a¨ Avevi
†Kvb †KvbwU AZ¨šÍ e¨q eûj| †bUIqvK© G¨vbvjvBRvi nvW©Iq¨vi wWfvBm n‡Z cv‡i A_ev
GwU mdUIq¨vi BDwUwjwU cÖK…wZiI n‡Z cv‡i| DB‡ÛvR GbwU Ges BD‡ÛvR 2000
mvf©v‡ii mv‡_ weë-Bb Ae¯’vq †bUIqvK© gwbUi bv‡g GKwU †bUIqvK© G¨vbvjvBRvi cvIqv
hvq| GB G¨vbvjvBRv‡ii mvnv‡h¨ mvf©v‡ii mv‡_ mivmwi mshy³ Zvi ev wgwWqv K¨vej
G¨vbvjvBR ev we‡kølY Kiv hvq| Wm Ges BD‡ÛvR gy‡W KvR K‡i Ggb GKwU †bUIqvK©
G¨vbvjvBRvi n‡”Q j¨vbvjvBRvi (LANalyzer),GwU †bv‡fj †bUIqvK© wm‡÷‡gi mv‡_
KvR K‡i |
P) nvW©Iq¨vi Uªvejm¨ywUs (Hardware Troubleshooting):
†bUIqvK© GWwgwb‡÷ªUi wn‡m‡e Avcwb nq‡Zv †bUIqv‡K©i †Kvb mgm¨v mgvavb Ki‡Z wM‡q
wcs †UªmiæU, cvidi‡gÝ gwbUi, GbvjvBRvi BZ¨vw` Uzjm I †UKwbK e¨envi Ki‡Z Ki‡Z
K¬všÍ n‡q c‡o‡Qb Ges †Kvb µ‡gB †bUIqv‡K©i mgm¨v AvµvšÍ AskwU ev wWfvBmwU wPwýZ
Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks
Library of free ebooks:www.tanbircox.blogspot.com
 Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  133
Ki‡Z mÿg n‡”Qb bv wVK G ai‡bi GKwU gyn~‡Z© nVvr K‡i jÿ¨ Ki‡jb †h B_vi‡bU
K¨vejwU †bUIqvK© B›Uvi‡dm Kv‡W©i mv‡_ mshy³ bq|
ev¯Íe Rxe‡b G ai‡bi NUbvi m¤§yLxb nIqv A¯^vfvweK wKQy bq| †bUIqvK© mgm¨v mgvavb
Ki‡Z wM‡q Avgiv fvix fvix †KŠkj¸‡jv cÖ_‡gB Kv‡R jvMv‡Z ïiæ Kwi A_P nvW©Iq¨v‡ii
g‡Zv †bUIqv‡K©i GKwU AZxe ¸iæZ¡c~Y© Ask‡K Avgiv Gfv‡e Lye GKUv ¸iæ‡Z¡i mv‡_
we‡ePbv Kwi bv| †bUIqv‡K©i mvwf©m cvidi‡g‡Ýi mv‡_ nvW©Iq¨vi welqwU IZ‡cÖvZfv‡e
RwoZ|
†bUIqv‡K© †Kvb mgm¨v m„wó n‡jB Avcbv‡K cÖ_‡gB m¤¢ve¨ mgm¨v AvµvšÍ c‡q›U wPwýZ
Ki‡Z n‡e Ges c×wZMZfv‡e †m¸‡jv G‡Ki ci GK cixÿv K‡i †`L‡Z n‡e hZÿY ch©šÍ
bv Avcwb g~j mgm¨vwU Lyu‡R †ei Ki‡Z cv‡ib| †bUIqv‡K©i Ggb wKQy wWfvBm ev c‡q›U
_v‡K †h¸‡jv Zzjbvg~jKfv‡e Ab¨vb¨‡`i †P‡q AwaKZi †ewk mgm¨vi KviY n‡q `uvovq|
†hgb aiæb †bUIqvK© B›Uvi‡dm KvW©, †Uwj‡dvb jvBb (†`Lv †M‡Q wU-1 jvBb jxRW
(Leased) jvB‡bi †P‡q †ewk mgmv AvµvšÍ nq) BZ¨vw`|
†bUIqv‡K©i `ÿZvi Rb¨ mgm¨vi KviY n‡Z cv‡i Ggb nvW©Iq¨vi n‡”Q-
 †bUIqvK© B›Uvi‡dm KvW© ev GbAvBwm
 wgwWqv K¨vej ev Zvi
 WvUv R¨vK (Data Jack)
 †`Iqvj K¨vej (Wall Cable)
 nve (Hub)
 myBP (Switch)
 ivDUvi (Router)
 †MUI‡q (Gateway)
 nve/myBP/ivDUvi/†MUI‡qi c„_K c„_K †cvU©mg~n BZ¨vw`|
w
w
w
.fb.com
/tanbir.cox
www.facebook.com/tanbir.cox

More Related Content

PDF
MS Excel bengali complete tutorial with image
PDF
700 essential english words with bangla for everyday life
PDF
PDF
HSC ICT :PROGRAMMING LANGUAGE. All C-Program Solution
PDF
Number system and digital device (Chapter 3)
MS Excel bengali complete tutorial with image
700 essential english words with bangla for everyday life
HSC ICT :PROGRAMMING LANGUAGE. All C-Program Solution
Number system and digital device (Chapter 3)

What's hot (20)

PDF
Computer fundamental full
PDF
ICT-Number system.সংখ্যা পদ্ধতি(৩য় অধ্যায়-১ম অংশ)
PDF
Lecturer 1 data communication system
PDF
Ms word 20110 in Bangla
PPTX
HSC ICT Chapter 1
PDF
MS Word 2007 bengali tutorial
PDF
Ms Excel
PDF
Ms excel bangla guide complete tutorial with picture by tanbircox
PDF
1500 most common phrasal verbs with bangla meanings ex
PDF
Computer Basic Bangla
PDF
HSC ICT: Chapter 5 Board MCQ Solution
PDF
Programming Language (chapter 5 for class 11 and 12)
PDF
Wordpad Notes Hindi Notes
PDF
Computer related bangla mcq questions with answers for any competitive job
PDF
HSC ICT: Chapter 4 Board MCQ Solutio
PDF
Easiest and efficient methods of spoken english
PDF
3rd chapter (1st part)
Computer fundamental full
ICT-Number system.সংখ্যা পদ্ধতি(৩য় অধ্যায়-১ম অংশ)
Lecturer 1 data communication system
Ms word 20110 in Bangla
HSC ICT Chapter 1
MS Word 2007 bengali tutorial
Ms Excel
Ms excel bangla guide complete tutorial with picture by tanbircox
1500 most common phrasal verbs with bangla meanings ex
Computer Basic Bangla
HSC ICT: Chapter 5 Board MCQ Solution
Programming Language (chapter 5 for class 11 and 12)
Wordpad Notes Hindi Notes
Computer related bangla mcq questions with answers for any competitive job
HSC ICT: Chapter 4 Board MCQ Solutio
Easiest and efficient methods of spoken english
3rd chapter (1st part)
Ad

Viewers also liked (16)

PDF
PDF
Tourism Destination Development Plan
PDF
Easy way to learn english spelling and pronunciation
PDF
PDF
Easy arabic and english language course with bangla for work in middle east
PDF
Bcs, bank and govt jobs mcq model test with vast explanation
Tourism Destination Development Plan
Easy way to learn english spelling and pronunciation
Easy arabic and english language course with bangla for work in middle east
Bcs, bank and govt jobs mcq model test with vast explanation
Ad

Similar to Computer networking step by step (20)

PDF
Advanced excel 2013 bangla book (1)
PPTX
Computer Networks & mobile phone
PDF
C:\fakepath\disaster and role of media
PDF
Community radio gender guidelines in bangladesh
PDF
Journey of Troyee Software
PDF
হৃদ স্পন্দন ৫ম খন্ড .pdf
PDF
Discussion about Social Media Realated Cyber Crime Investigation Procedure & ...
PPTX
Computer nerwork
PDF
Lecturer 5 computer networking
PPTX
Accounting 0137 chapter 7 lecture 3
PPTX
Accounting 0137 chapter 7 lecture 3
PPTX
Accounting 0137 chapter 2 lecture 4
PDF
Lecturer 2 data communication medium
PPTX
Accounting Chapter 8 Lecture 05
PPTX
Accounting Chapter 8 Lecture 01
PDF
Gender guidelines for Community Radio in Bangladesh
PPTX
Accounting Chapter 1 Lecture 11
PPTX
Accounting Chapter 1 Lecture 7
PPTX
Accounting Chapter 2 Lecture 17
Advanced excel 2013 bangla book (1)
Computer Networks & mobile phone
C:\fakepath\disaster and role of media
Community radio gender guidelines in bangladesh
Journey of Troyee Software
হৃদ স্পন্দন ৫ম খন্ড .pdf
Discussion about Social Media Realated Cyber Crime Investigation Procedure & ...
Computer nerwork
Lecturer 5 computer networking
Accounting 0137 chapter 7 lecture 3
Accounting 0137 chapter 7 lecture 3
Accounting 0137 chapter 2 lecture 4
Lecturer 2 data communication medium
Accounting Chapter 8 Lecture 05
Accounting Chapter 8 Lecture 01
Gender guidelines for Community Radio in Bangladesh
Accounting Chapter 1 Lecture 11
Accounting Chapter 1 Lecture 7
Accounting Chapter 2 Lecture 17

Recently uploaded (20)

PDF
Abdominal Access Techniques with Prof. Dr. R K Mishra
PDF
Computing-Curriculum for Schools in Ghana
PPTX
Cell Structure & Organelles in detailed.
PPTX
IMMUNITY IMMUNITY refers to protection against infection, and the immune syst...
PPTX
Final Presentation General Medicine 03-08-2024.pptx
PDF
O7-L3 Supply Chain Operations - ICLT Program
PDF
Anesthesia in Laparoscopic Surgery in India
PPTX
Final Presentation General Medicine 03-08-2024.pptx
PDF
grade 11-chemistry_fetena_net_5883.pdf teacher guide for all student
PDF
3rd Neelam Sanjeevareddy Memorial Lecture.pdf
PPTX
PPT- ENG7_QUARTER1_LESSON1_WEEK1. IMAGERY -DESCRIPTIONS pptx.pptx
PDF
Saundersa Comprehensive Review for the NCLEX-RN Examination.pdf
PDF
RMMM.pdf make it easy to upload and study
PDF
FourierSeries-QuestionsWithAnswers(Part-A).pdf
PDF
Module 4: Burden of Disease Tutorial Slides S2 2025
PPTX
Presentation on HIE in infants and its manifestations
PDF
A GUIDE TO GENETICS FOR UNDERGRADUATE MEDICAL STUDENTS
PPTX
Tissue processing ( HISTOPATHOLOGICAL TECHNIQUE
PDF
STATICS OF THE RIGID BODIES Hibbelers.pdf
PDF
2.FourierTransform-ShortQuestionswithAnswers.pdf
Abdominal Access Techniques with Prof. Dr. R K Mishra
Computing-Curriculum for Schools in Ghana
Cell Structure & Organelles in detailed.
IMMUNITY IMMUNITY refers to protection against infection, and the immune syst...
Final Presentation General Medicine 03-08-2024.pptx
O7-L3 Supply Chain Operations - ICLT Program
Anesthesia in Laparoscopic Surgery in India
Final Presentation General Medicine 03-08-2024.pptx
grade 11-chemistry_fetena_net_5883.pdf teacher guide for all student
3rd Neelam Sanjeevareddy Memorial Lecture.pdf
PPT- ENG7_QUARTER1_LESSON1_WEEK1. IMAGERY -DESCRIPTIONS pptx.pptx
Saundersa Comprehensive Review for the NCLEX-RN Examination.pdf
RMMM.pdf make it easy to upload and study
FourierSeries-QuestionsWithAnswers(Part-A).pdf
Module 4: Burden of Disease Tutorial Slides S2 2025
Presentation on HIE in infants and its manifestations
A GUIDE TO GENETICS FOR UNDERGRADUATE MEDICAL STUDENTS
Tissue processing ( HISTOPATHOLOGICAL TECHNIQUE
STATICS OF THE RIGID BODIES Hibbelers.pdf
2.FourierTransform-ShortQuestionswithAnswers.pdf

Computer networking step by step

  • 1.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  1 DB‡ÛvR 2000/G·wc, wjbv· KgwúDUvi †bUIqvwK©s †÷c evB †÷c iPbv †K Gg Avjx †iRv weGmwm Abvm© (dv÷© K¬vm) GgGmwm (dv÷© K¬vm) dwjZ c`v_©we`¨v I B‡jKUªwb·, XvKv wek¦we`¨vjq| wmm&‡UK cvewj‡KkÝ evsjvevRvi eyK GÛ KgwcDUvi Kg‡cø· 38/3, evsjvevRvi, XvKv-1100| w w w .fb.com /tanbir.cox www.facebook.com/tanbir.cox
  • 2. 2  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  KgwcDUvi †bUIqvwK©s †÷c evB †÷c cÖKvkK : gvneyeyi ingvb ¯^Z¡vwaKvix wmm&‡UK cvewj‡KkÝ eY© web¨vm : mvnbvR cvifxb myBwU wPÎ A¼b I eY© m¾v : Avwidzi ingvb †ejvj cÖ”Q` : gvneyeyi ingvb cÖ_g cÖKvk : †g 2004 g~j¨ : 45.00 UvKv| Computer Networking: Step by Step, by K M Ali Reza, Published by Mahabubur Rahman, Proprietor Systech Publications, 38/3 Banglabazar, Dhaka-1100, Bangladesh, Price Tk: 45.00 only. E-mail:it-com@bijoy.net, kazisham@yahoo.com Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 3.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  3 m~wPcÎ †bUIqvwK©s Gi †gŠwjK welqvw` Kw¤úDUvi †bUIqvK© (Computer Network) wK? ................................................. 7 Kw¤úDUvi †bUIqvwK©s †_‡K cÖvß myweavw`............................................................ 7 Kw¤úDUvi †bUIqv‡K©i e¨envi (Use of Network) .............................................. 8 Z_¨ wewbgq (Information Sharing) ..................................................................... 8 nvW©Iq¨vi wi‡mvm© †kqvwis .............................................................................. 8 mdUIq¨vi wi‡mvm© †kqvwis ............................................................................. 9 Z_¨ msiÿY ............................................................................................... 9 Z_¨ myiÿv ................................................................................................. 9 evZ©v ev †g‡mm Av`vb-cÖ`vb ........................................................................... 9 †bUIqvK©-Gi †gvwjK †kªYxwefvM ....................................................................10 K¬v‡q›U-mvf©vi (Client-Server) †bUIqvK© .........................................................10 wcqvi-Uz-wcqvi (Peer to Peer) †bUIqvK© .........................................................10 wgkª ev nvBweªW (Hybrid) †bUIqvK© .................................................................11 †jvKvj Gwiqv †bUIqvK© ev j¨vb......................................................................11 †g‡UªvcwjUb Gwiqv †bUIqvK© .........................................................................12 IqvBW Gwiqv †bUIqvK© ...............................................................................12 Kw¤úDUvi †bUIqv‡K©i Dcv`vbmg~n..................................................................12 †bUIqvK© B›Uvi‡dm KvW© ev wbK ....................................................................12 wiwcUvi (Repeater) ...................................................................................12 weªR (Bridge) .......................................................................................... 13 ivDUvi (Router) .......................................................................................14 eªvDUvi (Brouter) ......................................................................................14 †MUI‡q (Gateway) ...................................................................................15 nve (Hub) ...............................................................................................16 UªvÝwgkb gva¨g (Transmission Media)..........................................................16 K¨vej Kv‡bKUim (Cable Connectors) ..........................................................16 †bUIqvK© mdU&Iq¨vi (Network Software) .....................................................16 †cÖv‡UvKj wWfvBm WªvBfvi ............................................................................16 eûj e¨eüZ †bUIqvK© †cÖv‡UvKj................................................................... 17 †bUIqvK© U‡cvjRx ..................................................................................... 18 evm......................................................................................................... 18 evm U‡cvjwR e¨env‡ii myweav........................................................................ 18 evm U‡cvjwR e¨env‡ii Amyweav ......................................................................19 ÷vi (Star) ...............................................................................................19 ÷vi U‡cvjwR e¨env‡ii myweav........................................................................19 ÷vi U‡cvjwR e¨env‡ii Amyweav ................................................................... 20 w w w .fb.com /tanbir.cox
  • 4. 4  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wis (Ring)............................................................................................... 20 wis U‡cvjRx e¨env‡ii myweav......................................................................... 20 wis U‡cvjwR e¨env‡ii Amyweav ..................................................................... 20 †bUIqvK© nvW©Iq¨vi I K¨vewjs †bUIqvK© B›Uvi‡dm KvW© ev wbK ....................................................................21 †bUIqvK© KvW© ms‡hvRb .............................................................................. 22 †bUIqvK© KvW© †mUAvc mdUIq¨vi e¨envi ....................................................... 24 g¨vK G‡Wªm (MAC Address) ...................................................................... 26 wbK Bb÷‡jkb (NIC Installation)............................................................... 28 †bUIqvK© Kv‡bKwUwfwU wWfvBmg~n .................................................................. 28 wiwcUvi Ges nve (Repeater and Hub) .......................................................... 29 nve (Hub) ............................................................................................... 29 nve Ges myBP-Gi g‡a¨ cv_©K¨....................................................................... 30 eªxR Ges ivDUvi (Bridge and Router) .......................................................... 30 eªxR (Bridge)........................................................................................... 31 ivDUvi (Router)....................................................................................... 31 ivDUvi KbwdMv‡ikb................................................................................... 32 ÷¨vwUK ivDwUs (Static Routing).................................................................. 32 †MUI‡q (Gateway)................................................................................... 32 eªvDUvi (Brouter) ..................................................................................... 34 †bUIqvK© wgwWqv (Network Media)............................................................... 34 K¨vej gva¨‡gi cÖKvi‡f` (Types of Cable Media).......................................... 35 UzB‡÷W †cq¨vi K¨vej (Twisted Pair Cable) ................................................. 35 BDwUwc (UTP) K¨vej................................................................................. 35 GmwUwc (STP) K¨vej................................................................................. 37 †Kv-Gw·qvj (Co-axial) K¨vej..................................................................... 38 dvBevi AcwUK (Fiber Optic) K¨vej............................................................. 40 K¨vej Kv‡bKUim (Cable Connectors)...........................................................41 AcwUK¨vj dvBevi Kv‡bKUim (Optical Fiber Connectors)................................ 42 myBP Ges ivDUv‡ii Gi Rb¨ K¨vewjs............................................................... 43 †ivjIfvi K¨vej ....................................................................................... 43 B_vi‡bU †cvU© wfwËK K¨vewjs........................................................................ 44 †bUIqvK© †mUAvc I KbwdMv‡ikb †bUIqvK© †mUAvc cÖ¯‘wZ.............................................................................. 46 wUwmwc/AvBwc KbwdMv‡ikb .......................................................................... 47 DB‡ÛvR G·wc-†Z †bUIqvK© †mUAvc cÖwµqv.................................................... 62 †nvg ev ¯§j Awdm Gi Rb¨ †bUIqvK© †mUAvc DBRvW© ....................................... 72 DB‡ÛvR G·wc‡Z B›Uvi‡bU ms‡hvM c×wZ........................................................ 78 Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 5.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  5 †bUIqvwK©s Gi †gŠwjK welqvw` Networking Fundamentals Kw¤úDUvi †bUIqvK© (Computer Network) wK? Kw¤úDUvi †bUIqvK© n‡”Q GK`j AvšÍtmshy³ (Interconnected) Kw¤úDUvi I mswkøó wWfvBm hviv Lye mn‡R wb‡R‡`i g‡a¨ Z_¨ wewbgq Ges wi‡mvm© (Resource) †kqvi Ki‡Z cv‡i| †bUIqv‡K© †h mKj nvW©Iq¨vi wi‡mvm© Lye †ewk cwigv‡Y e¨eüZ nq Zv n‡jv wcÖ›Uvi, d¨v· g‡Wg, ¯‹¨vbvi Ges †÷v‡iR wWfvBm (†hgb nvW©wW¯‹, wmwW ev K¤ú¨v± wW¯‹), †cøvUvi (Plotter) BZ¨vw`| Aciw`‡K ÷¨vÛ-G¨v‡jvb (Stand alone) ev GKK Kw¤úDUvi ej‡Z †bUIqvK©fy³ bq Ggb †Kvb Kw¤úDUvi‡K ejv nq ÷¨vÛ-G¨v‡jvb Kw¤úDUvi| ÷¨vÛ G¨v‡jvb Kw¤úDUvi‡K cÖ‡mmK…Z WvUv, MÖvwd· ev WKz‡g›U‡K A‡b¨i mv‡_ †kqvi Ki‡Z n‡j Zv wcÖ›Uv‡i wcÖ›U Ki‡Z n‡e ev d¬wc wW‡¯‹ Kwc K‡i wb‡Z n‡e| †bUIqvwK©s-Gi †ÿ‡Î Gme Z_¨ ev WKz‡g›U †kqvwis-Gi KvR¸‡jv Kw¤úDUvi wbR †_‡K K‡i| †bUIqvK© e¨enviKvix ev BDRvi‡K wbR `vwq‡Z¡ GB Z_¨¸‡jv‡K gyf Ki‡Z nq bv| Kw¤úDUvi †bUIqvwK©s †_‡K cÖvß myweavw`t Kw¤úDUvi †bUIqv‡K©i ga¨gwY n‡”Q Kw¤úDUvi ev wcwm| ejvevûj¨ m¤cÖwZ eQi¸‡jv‡Z Z_¨cÖhyw³ µgvš^‡q evo‡Z evo‡Z †h gnxiæ‡n cwiYZ n‡q‡Q Zv g~jZt GB Kw¤úDUv‡ii Ae`vb| eZ©gv‡b Z_¨ aviY I evn‡b Kw¤úDUv‡ii †Kvb weKí †bB| Kw¤úDUv‡ii mv‡_ h_vh_ mdUIq¨v‡ii mgš^q NwU‡q Z_¨ cÖ‡mm (Process) Kiv nq| Avi GB cÖ‡mmK…Z Z‡_¨i Aeva cÖevn Ges e¨enviKvix‡`i wbKU Gi mnRjf¨Zv †h‡Kvb cÖwZôv‡bi Drcv`bkxjZv (Productivity) eû¸Y evwo‡q w w w .fb.com /tanbir.cox
  • 6. 6  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †`q| Lye mvaviYfv‡e hw` ewj Zv n‡j GKwU Kw¤úDUvi †Kvb cÖwZôv‡b wbæewY©Z myweavewj cÖ`vb K‡i _v‡K t  IqvW© cÖ‡mwms (Word Processing)  MÖvwd· wWRvBb (Graphics Design)  wmgy¨‡jkb (Simulation)  GKvDw›Us (Accounting)  wbD‡gwiK G¨vbvjvBwmm (Numeric Analysis)  WvUv‡eR (Database)  Bb‡fbUwi UªvwKs (Inventory Tracking) Kw¤úDUvi †bUIqv‡K©i e¨envi (Use of Network) t eZ©gv‡b Kw¤úDUvi †bUIqv‡K©i e¨env‡ii †ÿÎ †ek cÖmvwiZ| w`b w`b Gi e¨envi I Kvh©KvwiZv Av‡iv m¤cÖmvwiZ n‡”Q| Kw¤úDUvi †bUIqvK© e¨env‡ii Ggb wKQy †ÿÎ wb‡P Zz‡j aiv n‡jv t K) Z_¨ wewbgq (Information Sharing) t e¨emvwqK cÖwZôv‡b nq‡Zv me ai‡bi Z_¨ wewbgq ev †kqvi Kiv wbivc` bq| Z‡e †bUIqvK© e¨eüZ nq Ggb cÖwZôvbmg~n wbæewY©Z Z_¨vewj GKwU †K›`ªxq mvf©v‡i ¯’vcb K‡i Ges Zv wbqwš¿Z Dcv‡q K¬v‡q›U‡`i e¨env‡ii Rb¨ †kqvi K‡i t  Bb‡fbUwi (Inventory)  †Kv¤úvwb †jUvi‡nW ev †jUvi ÷vBj (Company Letterhead or Letter Style)  †mjm KbUv± Bbdi‡gkb (Sales Contact Information)  cÖwmwWDi g¨vbyqvj (Procedure Manual)  dvBb¨vbwmqvj †iKW© (Financial Records)  Kg©Pvixi †iKW© (Employee Records)  †Kv¤úvwb †g‡gvm (Company Memos) L) nvW©Iq¨vi wi‡mvm© †kqvwis (Hardware Resource Sharing) t aiæb, GKwU Awd‡m 10wU Kw¤úDUvi I GKwU wcÖ›Uvi Av‡Q| Kw¤úDUvi¸‡jv I wcÖ›UviwU †bUIqvK©fy³ bq| GKgvÎ wcÖ›UviwU ïay GKwU Kw¤úDUv‡ii mv‡_ mivmwi hy³| GgZe¯’vq evwK Kw¤úDUvi hviv wcÖ›Uv‡ii mv‡_ hy³ bq Zv‡`i †Kvb WKz‡g›U wcÖ›U Ki‡Z n‡j nq| d¬wc wW‡· K‡i wcÖ›Uvi mshy³ Kw¤úDUv‡i wb‡q Avm‡Z n‡e A_ev wcÖ›UviwU mwi‡q wb‡q H Kw¤úDUv‡ii mv‡_ hy³ Ki‡Z n‡e| WKz‡g›U wcÖ›U Kivi Rb¨ GB `y‡Uv cÖwµqvB †ek Sv‡gjvc~Y© Zv GB D`vniY †_‡K †ek cwi®‹vi|DcwiD³ mgm¨vi GKgvÎ mgvavb n‡”Q Kw¤úDUvi¸‡jv Ges wcÖ›Uvi‡K GKwU †jvKvj Gwiqv †bUIqv‡K©i AvIZvq wb‡q Avmv| †bUIqvK©fy³ n‡j †h‡Kvb Kw¤úDUvi †_‡K Abvqv‡m H GKwU gvÎ wcÖ›Uv‡i wcÖ›U Re cvVv‡bv m¤¢e| A_©vr wcÖ›UviwU G‡ÿ‡Î GKwU †kqviK…Z nvW©Iq¨vi wi‡mvm©| Gai‡bi Av‡iv †kqvi‡hvM¨ †hmKj nvW©Iq¨vi wi‡mvm© Av‡Q Zv‡`i g‡a¨ ¯‹¨vbvi, †cøUvi, nvW© wW¯‹ †¯úm Ges g‡Wg D‡jøL‡hvM¨| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 7.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  7 M) mdUIq¨vi wi‡mvm© †kqvwis (Software Resource Sharing) t hLb †Kvb cÖwZôv‡bi †bUIqv‡K© †K›`ªxqfv‡e mdUIq¨vi Bb÷j I KbwdMvi Kiv nq, ZLb H mdUIq¨vi ev †cÖvMÖvg cy‡iv cÖwZôv‡bi Ab¨vb¨ K¬v‡q›U‡`i Rb¨ e¨envi‡hvM¨ wi‡mvm© n‡q hvq| GB cÖwµqvq †bUIqvK© GWwgwb‡÷ªU‡ii Rb¨ mdUIq¨vi Bb÷j I iÿYv‡eÿ‡Yi IqvK©‡jvW (Workload) A‡bKLvwb K‡g Av‡m| N) Z_¨ msiÿY (Information Preservation) t †bUIqvwK©s-Gi d‡j GKwU †K›`ªxq †÷v‡iR wgwWqv ev mvf©v‡i mKj K¬v‡q›U hveZxq Z_¨ msiÿY Ki‡Z cv‡ib ev e¨vKAvc (Backup) wb‡Z cv‡ib| †K›`ªxq wbf©i‡hvM¨ †÷v‡iR wgwWqv‡Z WvUv msiÿ‡Yi d‡j ¸iæZ¡c~Y© WvUvi nVvr K‡i webó n‡q hvevi m¤¢vebv A‡bKLvwb K‡g Av‡m| †Kvb ÷¨vÛ- G¨v‡jvb ev †bUIqvK© †_‡K wew”Qbœ Kw¤úDUvi †_‡K WvUv e¨vKAvc †bqv GKwU KwVb e¨vcvi| wKš‘ †bUIqv‡K©i GKwU †K›`ªxq wW‡· wbqwgZ WvUv e¨vKAvc †bqv eûjvs‡k mnR Ges Sv‡gjvgy³| O) Z_¨ myiÿv (Information Protection) t †bUIqvK© wfwËK Kw¤úDwUs-G cÖwZwU BDRvi ev e¨enviKvixi AbyK~‡j GKwU ¯^Zš¿ bvg I cvmIqvW© eivÏ †`qv nq| BDRvi hw` H †bUIqv‡K©i wi‡mvm© e¨envi Ki‡Z Pvq Zv n‡j Aek¨B Zv‡K GB eivÏK…Z bvg I cvmIqvW© wbf©yjfv‡e e¨envi Ki‡Z n‡e| d‡j †bUIqvK© e¨env‡i Aby‡gvw`Z Ggb †KD B‡”Q Ki‡jB msiwÿZ WvUvi bvMvj †c‡q hv‡e bv| P) evZ©v ev †g‡mm Av`vb-cÖ`vb (Exchanging Message) t Awd‡mi g‡a¨ GK¯’vb †_‡K Ab¨¯’v‡b KvM‡R Kj‡g †Kvb Z_¨ ev WKz‡g›U ev evZ©v Av`vb-cÖ`vb GKw`‡K †hgb mgq mv‡cÿ Ab¨ w`‡K GwU e¨qeûjI e‡U| †bUIqvK©fy³ K¬v‡q›U G‡K Ac‡ii mv‡_ B‡jKUªwbK †gBj ev B-†gBj AvKv‡i WKz‡g›U †jb‡`b Ges ZvrÿwYK evZ©v (Instant Message) wewbgq Ki‡Z cv‡i Lye mn‡RB| GB cÖwµqvq Awd‡mi Kv‡R Av‡m `ªæZZv Ges GiB mv‡_ WKz‡g›U ev evZ©vi wbivcËvi M¨vivw›UI _v‡K kZKiv GKkZ fvM| w w w .fb.com /tanbir.cox
  • 8. 8  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †bUIqvK©-Gi †gvwjK †kªYxwefvM (Basic Type of Network) †bUIqv‡K©i wbqš¿Y KvVv‡gv Ges mvw©f©m cÖ`v‡bi ai‡bi Dci wfwË K‡i †bUIqvK©‡K cÖavbZt wZbfv‡M fvM Kiv hvq| h_v (K) K¬v‡q›U-mvf©vi †bUIqvK© (L) wcqvi-Uz-wcqvi †bUIqvK© I (M) wgkª ev nvBweªW †bUIqvK©| (K) K¬v‡q›U-mvf©vi (Client-Server) †bUIqvK© t Gai‡bi †bUIqv‡K©i ga¨gwY n‡”Q GK ev GKvwaK †WwW‡K‡UW mvf©vi| GB †WwW‡K‡UW mvf©vi K¬v‡q›U wcwmi Rb¨ cÖ‡qvRbxq mvwf©m cÖ`vb K‡i| mvwf©mmg~‡ni AvIZvq cÖavYZ hv _v‡K Zv n‡jv dvBj, wcÖ›U †g‡mR, WvUv‡eR, G¨vwcø‡Kkb BZ¨vw`| †h †K›`ªxq mvf©v‡i K¬v‡q›U ev BDRviiv cÖ‡qvRbxq Z_¨vewj msiÿY K‡i Zv‡K ejv nq mvf©vi | †h mKj Kw¤úDUvi GB msiwÿZ Z_¨vewj Zvi cÖ‡qvR‡b e¨envi K‡i Zv‡K ejv nq K¬v‡q›U| mvf©vi Kw¤úDUvi K¬v‡q›U Kw¤úDUv‡ii Zzjbvq AwaK kw³kvjx n‡q _v‡K Ges G‡K mwµq ivL‡Z we‡kl ai‡bi mdUIq¨vi e¨envi Ki‡Z nq| eZ©gv‡b e¨eüZ n‡”Q G ai‡bi mvf©vi Ges K¬v‡q‡›Ui GKwU Zzjbvg~jK wPÎ wb‡Pi †Uwe‡j Zz‡j aiv n‡jv | D‡jøL¨, mg‡qi mv‡_ mv‡_ GB †¯úwmwd‡Kkb cwieZ©b n‡Z cv‡i| K‡¤úv‡b›U K¬v‡q›U mvf©vi 1. cÖ‡mmi (Processor) B‡›Uj 486 ev Z`~aŸ© †cw›Uqvg 2. wWm‡cø (Display) wfwRG ev Gi †P‡q DbœZ wfwRG ev Gi †P‡q DbœZ 3. nvW© wW· †¯úm (Hard Disk Space) Kgc‡ÿ 50 †gMvevBU Kgc‡ÿ 90 †gMvevBU 4. †g‡gvwi (Memory) Kgc‡ÿ 8 †gMvevBU Kgc‡ÿ 16 †gMvevBU (L) wcqvi-Uz-wcqvi (Peer to Peer) †bUIqvK© t GB cÖKv‡ii †bUIqv‡K© cªwZwU wcwm wi‡mvm© (Resource) †kqvwis-Gi †ÿ‡Î mgvb f~wgKv cvjb K‡i _v‡K| GLv‡b †Kvb †WwW‡K‡UW mvf©vi _v‡K bv, d‡j wcwm¸‡jvi g‡a¨ ¸iæ‡Z¡i w`K †_‡K †Kvb †k&ªYx web¨vmI †bB GLv‡b| cÖwZwU c„_K wcwm Zvi WvUvi wbivcËv weav‡b wb‡RB `vqx _v‡K| wcwmi e¨enviKvix G‡ÿ‡Î wba©viY K‡i †`b Zvi †Kvb dvBj ev WvUv †bUIqv‡K© Ab¨vb¨‡`i e¨env‡ii Rb¨ Db¥y³ _vK‡e|  wcqvi Uz wcqvi †bUIqvK© †QvU IqvK©MÖæ‡ci Rb¨ AZ¨šÍ Dc‡hvMx| G‡Z †WwW‡K‡UW mvf©vi Abycw¯’Z| G ai‡Yi †bUIqv‡K© ‡kqviW wi‡mvm©mg~‡ni ev WvUvi wbivcËv AZ¨šÍ mxwgZ| K¬v‡q›U Kw¤úDUviB mvf©vi wn‡m‡e KvR K‡i _v‡K| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 9.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  9 wPÎ t wcqvi-Uz-wcqvi †bUIqv‡K©i GKwU D`vniY (M) wgkª ev nvBweªW (Hybrid) †bUIqvK© t wgkª ev nvBweªW †bUIqvK© g~jZt K¬v‡q›U mvf©vi I wcqvi-Uz-wcqvi †bUIqv‡K©i GKwU mgš^q| mvaviYZt nvBweªW †bUIqv‡K© K¬v‡q›U mvf©vi As‡ki cÖvavb¨ _v‡K| Z‡e Gi cvkvcvwk GLv‡b ¯^í we¯Ív‡i wcqvi-Uz-wcqvi †bUIqv‡K©i Ask †Rvov †`qv n‡q _v‡K| AvKvi ev AvK…wZ Ges we¯Í…wZi Dci Kw¤úDUvi †bUIqvK© wb‡æv³fv‡e fvM Kiv nq t K) †jvKvj Gwiqv †bUIqvK© ev j¨vb (LAN- Local Area Network) t GKwU wbw`©ó feb ev K¨v¤úv‡m hw` GK`j Kw¤úDUvi †bUIqvK©fy³ nq Zvn‡j †mwU j¨vb bv‡g cwiwPZ n‡e| j¨v‡bi Aax‡b †Kvb GKwU fe‡bi GKB Zvjvq Aew¯’Z me¸‡jv Kw¤úDUvi _vK‡Z cv‡i A_ev †Kvb GKwU †Kv¤úvwbi GKB fe‡bi KvQvKvwQ wPÎ t Lye mvaviY cÖK…wZi GKwU j¨vb †hLv‡b KwZcq Kw¤úDUvi gvÎ hy³ n‡q‡Q| w w w .fb.com /tanbir.cox
  • 10. 10  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †d¬v‡ii Kw¤úDUvi¸‡jv j¨vbfy³ n‡Z cv‡i| Z‡e G‡ÿ‡Î GKwU wbw`©©ó `~i‡Z¡i g‡a¨ Kw¤úDUvi¸‡jv‡K _vK‡Z n‡e| L) †g‡UªvcwjUb Gwiqv †bUIqvK© (MAN- Metropoliton Area Network)t g¨vb ev †g‡UªvcwjUb Gwiqv †bUIqvK© n‡”Q KZK¸‡jv j¨vb †bUIqv‡K©i mgš^q hv GKwU cy‡iv kni ev eo AvKv‡ii †Kvb GjvKve¨vcx we¯Í…Z| M) IqvBW Gwiqv †bUIqvK© (WAN- Wide Area Network) t Iqvb ev IqvBW Gwiqv †bUIqvK© n‡”Q KZK¸‡jv Kw¤úDUvi ev j¨v‡bi †bUIqvK© hviv wewfbœ `~i‡Z¡ Aew¯’Z| Iqv‡bi AvIZvq Kw¤úDUvi¸‡jv †Kej GKwU kn‡iB mxgve× _vK‡Z cv‡i A_ev G¸‡jv we‡k¦i wewfbœ cÖv‡šÍ Qwo‡q wQwU‡qI _vK‡Z cv‡i| Z‡e Iqv‡bi cy‡iv welqwU wbf©i Ki‡Q wdwRK¨vj jvBb, dvBevi AcwUK K¨vej, m¨v‡UjvBU UªvÝwgkb,Ges gvB‡µvI‡qf UªvÝwgk‡bi Dci| Kw¤úDUvi †bUIqv‡K©i Dcv`vbmg~n t (Components of a Computer Network) GKwU Kw¤úDUvi †bUIqvK© M‡o Zzj‡Z n‡j Kw¤úDUv‡ii evB‡iI Av‡iv KZK¸‡jv AZ¨vek¨Kxq Dcv`vb (nvW©Iq¨vi wWfvBm Ges mdU&Iq¨vi) cÖ‡qvRb nq| †Kvb †bUIqv‡K© wK wK Dcv`vb ev K‡¤úv‡b›U cÖ‡qvRb n‡e Zv cy‡ivcywi wbf©i Ki‡Q Zv H †bUIqv‡K©i aib Ges we¯Z…wZi Dci| GLv‡b mPivPi e¨eüZ n‡”Q Ggb Dcv`vb¸‡jv D‡jøL Kiv n‡jv | G‡`i wel‡q cieZx© Aa¨v‡q we¯ÍvwiZ Av‡jvPbv Kiv n‡e| K) †bUIqvK© B›Uvi‡dm KvW© ev wbK (NIC-Network Interface Card)t †bUIqvK© B›Uvi‡dm KvW©‡K (Gi D”PviY n‡e wbK (nick)) wewfbœ bv‡g WvKv n‡q _v‡K| †bUIqvK© B›Uvi‡dm KvW©, †bUIqvK© KvW© ev †bUIqvK©© GWvÞvi bv‡g GwU me©vwaK cwiwPZ| B›Uvi‡dm KvW© n‡”Q Ggb GKwU nvW©Iq¨vi hv GKwU wcwm ev Kw¤úDUv‡i ¯’vcb ev Bb÷j Kiv nq Ab¨ Kw¤úDUv‡ii mv‡_ G‡K mshy³ Kivi Kv‡R| †bUIqvK© GWvÞvi KvW© g~jZt wWwRUvj AvKv‡i WvUv GK Kw¤úDUvi †_‡K Ab¨ Kw¤úDUv‡i †jb‡`b K‡i _v‡K| L) wiwcUvi (Repeater) t †bUIqv‡K© UªvÝwgkb wgwWqvi ga¨ w`‡q hLb †Kvb B‡jK‡Uªvg¨vM‡bwUK I‡qe ev wmMb¨vj Pj‡Z _v‡K ZLb wgwWqv GB wmMb¨vj‡K `ye©j K‡i †d‡j| wmMb¨vj `ye©j n‡q covq GB welqwU‡K ejv nq GwUwbD‡qkb (Attenuation) | D‡jøL¨ G GwUwbD‡qkbB wKš‘ wgwWqvi ga¨ w`‡q wmMb¨vj AwZµg‡hvM¨ `~i‡Z¡i Dci jvMvg †U‡b †`q| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 11.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  11 M) weªR (Bridge) t bb-ivDU¨vej †cÖv‡UvK‡ji †ÿ‡Î wmMb¨vj‡K GK †mM‡g›U †_‡K Ab¨ †mM‡g›U cvVv‡Z weªR e¨eüZ nq| weªR mvaviYZ †QvU AvKv‡ii †bUIqv‡K©i Rb¨ LyeB Kvh©Kix GKwU Kv‡bKwUwfwU wWfvBm| bb-ivDU¨vej †cÖv‡UvKj n‡”Q hv GK †bUIqvK© †_‡K Ab¨ †bUIqvK© †mM‡g‡›U WvUv †cÖiY Ki‡Z cv‡i bv| w w w .fb.com /tanbir.cox
  • 12. 12  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  N) ivDUvi (Router) t `yB ev Z‡ZvwaK jwRK¨vj (Logical) c„_K Ggb †bUIqvK©‡K mshy³ Ki‡Z ivDUvi jwRK¨vj I wdwRK¨vj G¨v‡Wªwms c×wZ e¨envi K‡i _v‡K| ivDUvi ms‡hvM cÖ`v‡bi KvRwU mgvav K‡i _v‡K eo eo †bUIqvK©‡K †QvU †QvU jwRK¨vj †bUIqvK© †mM‡g‡›U AM©vbvBR Kivi gva¨‡g| GB cÖwZwU †QvU †bUIqvK© †mM‡g›U‡K ejv nq mve‡bUIqvK© (Subnetwork) ev mve‡bU (Subnet) | ivDUvi Avevi cÖwZwU mve‡b‡Ui wecix‡Z GKwU K‡i jwRK¨vj G¨v‡Wªm eivÏ w`‡q _v‡K| O) eªvDUvi (Brouter) t Lye mnRfv‡e ej‡Z †M‡j eªvDUvi n‡”Q ivDUvi I weª‡Ri mgwó | A_©vr eªvDUvi = ivDUvi + weªR| eªvDUvi e¨env‡ii cÖavb myweav n‡”Q Gi gva¨‡g †h‡Kvb †cÖv‡UvKj ivDwUs Kiv hvq| D`vniY¯^iƒc eªvDUv‡i AvBwc (IP) ivDUvi Ask e¨envi Ki‡e| Ab¨w`‡K bb-ivDU¨vej †cÖv‡UvKj †bUeyB (NetBEUI) weªR Ask e¨envi Ki‡e| GB B›Uvi‡bUIqvK© Dfq †cÖv‡UvKj e¨env‡ii myweav †`q| eªvDUvi g~jZt GKwU mdU&Iq¨vi hv ivDUv‡ii Dci KvR K‡i| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 13.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  13 P) †MUI‡q (Gateway) t ivDUvi mdjfv‡e ïay H mg¯Í †bUIqvK©‡K mshy³ Ki‡Z cv‡i hv‡`i †cÖv‡UvKj¸‡jv GKB c×wZ‡Z KvR K‡i| hw` †bUIqvK©mg~‡ni †cÖv‡UvKj¸‡jv m¤ú~Y© wfbœ iK‡gi nq, Zv n‡j ivDUv‡ii †P‡qI AwaK kw³kvjx I eyw×gvb wWfvB‡mi cÖ‡qvRb nq, Avi GB wWfvBmwU n‡”Q †MUI‡q| NetOP Host Gateway Diagram w w w .fb.com /tanbir.cox
  • 14. 14  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  Q) nve (Hub) t nve ev myBP n‡”Q †bUIqv‡K©i GKwU ¸iæZ¡c~Y© Ask hv ÷vi U‡cvjwR‡Z GKwU †K›`ªxq wWfvBmU wn‡m‡e KvR K‡i| eZ©gv‡b nv‡ei cwie‡Z© †bUIqv‡K© myBP e¨eüZ n‡”Q| myB‡Pi mv‡_ nv‡ei cÖavb cv_©K¨ n‡jv myBP wmMb¨vj wiwmf Kivi ci Zv mivmwi Uv‡M©U †cvU© ev †cvU©mg~‡n †cÖiY K‡i _v‡K| wKš‘ nve wiwmf Kiv wmMb¨vj mKj †cv‡U© B cvVvq, G‡ÿ‡Î Uv‡M©U †cvU© wmMb¨vj MªnY K‡i Ges Ab¨vb¨ †cvU© Zv AMªvn¨ K‡i | R) UªvÝwgkb gva¨g (Transmission Media) t hvi gva¨‡g GKwU †bUIqv‡K©i Kw¤úDUvi¸‡jv G‡K Ac‡ii mv‡_ wdwRK¨vwj (Physically) mshy³ nq Zv‡K UªvÝwgkb gva¨g e‡j| K¨vej (Cable) ev Zvi, †iwWI I‡qe, gvB‡µvI‡qe BZ¨vw` UªvÝwgkb gva¨‡gi D`vniY| S) K¨vej Kv‡bKUim (Cable Connectors) t Kv‡bKU‡ii Ae¯’vb n‡”Q K¨vej I †bUIqvK© B›Uvi‡dm Kv‡W©i (NIC-Network Interface Card) g‡a¨ | A_©vr GwU †bUIqv‡K©i K¨vej Ges GbAvBwm‡K mshy³ K‡i _v‡K| T) †bUIqvK© mdU&Iq¨vi (Network Software) t mvaviYZ Acv‡iwUs wm‡÷gB †bUIqvK© mdU&Iq¨vi wn‡m‡e KvR K‡i| †W¯‹Uc Acv‡iwUs wm‡÷‡gi (†hgb DB‡ÛvR 95/9/2000/G·wc) weë-Bb fv‡eB †bUIqvK© mÿg| Giv †Kvb cÖKvi `vgx mdUIq¨vi Bb÷j Kiv QvovB Ab¨vb¨ wcwmÕi mv‡_ Z_¨vw` Av`vb-cÖ`vb Ki‡Z cv‡i| G ai‡bi mdU&Iq¨vi‡K ejv nq †bUIqvK© Acv‡iwUs wm‡÷g ev bm (NOS-Network Operating System)| wcqvi-Uz-wcqvi †bUIqvK©‡K bm wn‡m‡e Acv‡iwUs wm‡÷gB h‡_ó| wKš‘ K¬v‡q›U/mvf©vi †bUIqv‡K© mvf©vi mdUIq¨vi e¨env‡ii cÖ‡qvRb nq| mvf©vi mdUIq¨v‡ii D`vniY n‡”Q DB‡ÛvR 2000 mvf©vi, DB‡ÛvR GbwU-4 mvf©vi BZ¨vw`| DB‡ÛvR wfwËK bm h_vh_fv‡e KbwdMvi K‡i Ab¨vb¨ bb-DB‡ÛvR Acv‡iwUs wm‡÷g †hgb g¨vKIGm, BDwb·, wjbv‡·i mv‡_ mn‡RB KwgDwb‡KU Ki‡Z cv‡i| P) †cÖv‡UvKj wWfvBm WªvBfvi t GKwU †bUIqvK©‡K Kg©ÿg Kivi Rb¨ †bUIqvK© fvlv ev †cÖv‡UvKj GKwU ¸iæZ¡c~Y© welq| †cÖv‡UvK‡ji gva¨‡gB †bUIqvK© WvUv GK cÖvšÍ †_‡K Ab¨ cÖv‡šÍ enb K‡i wb‡q hvq| †mU Av‡ci mgq Avcbv‡K GwU wbwðZ Ki‡Z n‡e †hb †bUIqv‡K©i AvIZvfy³ cÖwZwU K¬v‡q›U Ges mvf©vi Kw¤úDUvi †hb Awfbœ ev K¤úvU¨vej †cÖv‡UvKj WªvBfvi e¨envi K‡i| wm‡÷g hv‡Z GKm‡½ GKvwaK †cÖv‡UvKj mv‡cvU© Ki‡Z cv‡i †mRb¨ Avcbv‡K cÖ‡qvRb‡ev‡a GKvwaK wm‡÷g mvwf©m (System Service) Bb÷j Ki‡Z n‡Z cv‡i| Kw¤úDUvi †bUIqv‡K© eZ©gv‡b eûjfv‡e e¨eüZ n‡”Q †cÖv‡UvKjmg~n n‡”Q †bUeyB, AvBwcG·/GmwcG· Ges wUwmwc/AvBwc| G‡`i wel‡q ciewZ©‡Z we¯ÍvwiZ Av‡jvPbv Kiv n‡q‡Q| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 15.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  15 eûj e¨eüZ †bUIqvK© †cÖv‡UvKj t (K) wUwmwc(TCP-Transmission Control Protocol)t wUwmwc †cÖv‡UvKj g~jZt B›Uvi‡bU †cÖv‡UvKj my‡Ui Uªv݇cvU© (Transport) mvwf©m †cÖv‡UvKj wn‡m‡e KvR K‡i| (L) AvBwc(IP-Internet Protocol)t AvBwc n‡”Q B›Uvi‡bU †cÖv‡UvKj myB‡Ui GKwU Ab¨Zg Dcv`vb hv g~jZ: WvUvMÖvg (Datagram) wba©viY (Define) I ivDwUs(Routing)-Gi KvR K‡i _v‡K| AvBwcÕi wel‡q Av‡iv we¯ÍvwiZ Av‡jvPbv cieZx©‡Z Kiv n‡e| (M) AvBwcG·/GmwcG· (IPX/SPX-Internetwork Packet Exchange/ Sequenced Packet Exchange)t AvBwcG· /GmwcG· †cÖv‡UvKj myB‡Ui mªóv n‡”Q †bv‡fj (Novel) †Kv¤úvwb| GwU †bv‡fj †bUIq¨vi †bUIqv‡K© e¨eüZ GKwU †cÖv‡UvKj| G †cÖv‡UvKjwU ivDU¨vej (Routable)| GLv‡b ivDwUs ej‡Z hv eySv‡bv nq Zvn‡jv GwU Ggb GKwU e¨e¯’v hv‡Z WvUv †bUIqv‡K©i GK †mM‡g›U (Segment) †_‡K Ab¨ †mM‡g‡›U PjvPj Ki‡Z cv‡i| (N) †bUeyB (NetBEUI-NetBIOS Extended User Interface) t †bUeyB †cÖv‡UvKjwU AvBweGg (IBM) ˆZwi K‡iwQj g~jZt †QvU AvK…wZi †bUIqvK© IqvK©MÖæ‡c (Workgroup) e¨env‡ii Rb¨| G †cÖv‡UvKjwU ivD‡Ue¨j (Routable) bq, A_©vr †bUIqv‡K© WvUv c¨v‡KU GK †mM‡g›U †_‡K Ab¨ †mM‡g‡›U AwZµg Ki‡Z cv‡i bv| (O) GBPwUwUwc (HTTP-Hypertext Transfer Protocol)t Iqvì© IqvBW I‡qe (www-World Wide Web)-Gi †cÖv‡UvKj n‡”Q GB GBPwUwUwc, hvi mvnv‡h¨ I‡qe †cR B›Uvi‡b‡Ui GKcÖvšÍ †_‡K Ab¨cªv‡šÍ Qy‡U †eovq| (P) GdwUwc (FTP-File Transfer Protocol)t B›Uvi‡b‡Ui AvIZvaxb †Kvb dvBj ev I‡qe mvf©vi †_‡K eo AvK…wZ †Kvb dvBj ev WvUv WvDb‡jvW (Download) Ges Avc‡jv‡Wi (Upload) Rb¨ GdwUwc e¨envi Kiv nq| Avc‡jvW n‡”Q Avcbvi wcwm †_‡K dvBj B›Uvi‡b‡Ui dvBj ev I‡qe mvf©v‡i †cÖiY Kiv Aciw`‡K B›Uvi‡bU †_‡K †Kvb dvBj ev Kb‡U›U Avcbvi wcwm‡Z wb‡q Avmvi welqwU n‡jv WvDb‡jvW| cwi‡k‡l mvi-ms‡ÿc wn‡m‡e hv ejv hvq Zv n‡jv †bUIqv‡K© †Kvb wcwm-†K mwµq Ki‡Z n‡j Avcbv‡K wb‡Pi wZbwU cÖavb mdU&Iq¨vi K‡¤úv‡b›U Bb÷j Ges Zv KbwdMvi Ki‡Z n‡eÑ  wbK WªvBfvi  †cÖv‡UvKj WªvBfvi/WªvBfvimg~n  K¬v‡q›U/mvf©vi mvwf©‡mm w w w .fb.com /tanbir.cox
  • 16. 16  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †bUIqvK© U‡cvjRx t †bUIqv‡K©i wdwRK¨vj wWfvBm ev K‡¤úv‡b›U (Component) †hgbÑ K¨vej, wcwm, ivDUvi BZ¨vw` †hfv‡e †bUIqv‡K© ci¯ú‡ii mv‡_ mshy³ _v‡K Zv‡K ejv nq U‡cvjwR| †bUIqvK© U‡cvjRx g~jZ †bUIqv‡K©i wdwRK¨vj †j-AvDU (Layout) eY©bv K‡i _v‡K| wdwRK¨vj †j-AvDU ej‡Z GLv‡b eySv‡bv n‡q‡Q Kw¤úDUvi ev wcÖ›Uv‡ii Ae¯’vb Ges K¨vej ev Zvi¸‡jv G‡`i‡K mshy³ Ki‡Z wKfv‡e web¨¯Í n‡q‡Q †m welqwU| †bUIqvK© U‡cvjwR‡K Avevi †KD †KD wdwRK¨vj U‡cvjwR wn‡m‡eI AvL¨vwqZ K‡ib| wdwRK¨vj †bUIqvK© U‡cvjRx‡K cÖavbZ wZbwU †gŠwjK †kªYx‡Z wef³ Kiv hvq| G¸‡jv n‡”QÑ 1. evm (Bus) t evm U‡cvjwR‡Z †bUIqvK©fy³ mg¯Í Kw¤úDUvi GKwU gvÎ K¨vej Øviv mshy³ _v‡K Ges K¨ve‡ji †kl cÖv‡šÍ GKwU Uvwg©‡bUi (Terminator) jvMv‡bv _v‡K| D`vniY¯^iƒc GLv‡b ejv hvq w_b‡bU †Kv-Gw·‡qj (Thinnet Co-axial) K¨vej Øviv mshy³ B_vi‡bU †bUIqvK© evm U‡cvjwR MVb K‡i _v‡K| D‡jøL¨ Kw¤úDUvi †bUIqvwK©s-Gi ïiæ †_‡KB evm U‡cvjwR B_vi‡bU †bUIqvK© ÷¨vÛvW©-Gi mv‡_ AZ¨šÍ wbweofv‡e m¤úwK©Z| evm U‡cvjwRi cÖavb K¨vejwU‡K ejv nq e¨vK‡evb (Backbone)| wmMb¨vj hLb e¨vK‡ev‡b Pjv‡div K‡i ZLb †bUIqvK©fy³ mKj Kw¤úDUvi GB wmMb¨vj MÖnY K‡i| wKšÍ G‡`i ga¨ †_‡K ïay GKwU Kw¤úDUvi wmMb¨vj MÖnY K‡i, evwKiv G‡K AMÖvn¨ K‡i| evm U‡cvjwR e¨env‡ii myweav t  GB U‡cvjwR †QvU AvKv‡ii †bUIqv‡K© e¨envi Lye mnR I GwU wek¦¯Í|  †bUIqv‡K© Kw¤úDUvi ev †nv÷¸‡jv‡K mshy³ Ki‡Z GB U‡cvjwR‡Z me‡P‡q Kg K¨vej cÖ‡qvRb nq, d‡j G‡Z LiPI mvkªq nq|  †bUIqv‡K©i e¨vK‡evb ev evm mn‡R m¤cÖmviY Kiv hvq| `y‡Uv c„_K K¨vej‡K GKwU weGbwm e¨v‡ij Kv‡b±i (BNC Barrel Connector) w`‡q †Rvov jvwM‡q GKwU j¤^v K¨ve‡j iƒc †`qv hvq Ges G‡Z Av‡iv AwaK msL¨K Kw¤úDUvi‡K ms‡hvM †`qv m¤¢e nq|  GB U‡cvjwR‡Z evm m¤cÖmvi‡Yi Rb¨ cÖ‡qvR‡b wiwcUviI e¨envi Kiv hvq| wiwcUvi wmMb¨v‡ji gvb evwo‡q †`q Ges Zv Av‡iv j¤^v `~iZ¡ AwZµ‡g mg_© nq| wPÎ : evm U‡cvjRx wewkó GKwU †bUIqvK©| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 17.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  17 evm U‡cvjwR e¨env‡ii Amyweav t  †bUIqv‡K© Kw¤úUvi msL¨v †ewk n‡j cÖPÐ UªvwdK m„wó nq Ges WvUv UªvÝwgkb wewNœZ nq| GB U‡cvjwR‡Z WvUv UªvÝwgk‡bi Rb¨ †Kvb mgš^‡qi e¨e¯’v †bB| †h‡Kvb Kw¤úDUvi †h‡Kvb mg‡q WvUv UªvÝwgkb Ki‡Z cv‡i| Gi d‡j †bUIqv‡K©i cÖPzi e¨vÛDBW_ bó nq| GB e¨e¯’v WvUv UªvÝwgk‡bi cwie‡Z© Kw¤úDUvi¸‡jv G‡K Aci‡K evav w`‡Z †ewk mgq bó K‡i|  mshy³ `y‡Uv K¨ve‡ji ga¨eZx© ¯’v‡b Aew¯’Z ms‡hvRK wWfvBm Kv‡b±i K¨ve‡ji ga¨w`‡q cÖevwnZ WvUv wmMb¨vj‡K `ye©j K‡i †`q|  evm U‡cvjwR‡Z m„ó mgm¨v wbY©q Zzjbvg~jKfv‡e †ek RwUj| K¨ve‡ji GKwU gvÎ ¯’v‡b m„ó ÎæwU ev †eªK (Break) cy‡iv †bUIqvK©‡K APj K‡i w`‡Z cv‡i| 2. ÷vi (Star)t ÷vi U‡cvjwR‡Z †bUIqvK©fy³ mKj Kw¤úDUvi ev wcwm GKwU †K›`ªxq wWfvBm-Gi (Device) mv‡_ mshy³ _v‡K| †K›`ªxq wWfvBmwU n‡Z cv‡i GKwU nve (Hub) ev myBP (Switch)| ÷vi U‡cvjwRi D`vniY n‡”Q UzB‡÷W †cq¨vi (Twisted-Pair-10BaseT) K¨vej Øviv mshy³ GKwU B_vi‡bU †bUIqvK©| wPÎ : ÷vi U‡cvjRx wewkó GKwU †bUIqvK©| †Kvb Kw¤úDUvi WvUv UªvÝdvi Ki‡Z PvB‡j Zv cÖ_‡g †m nv‡e A_ev myB‡P cvwV‡q †`q| Gici nve †m wmMb¨vj‡K jÿ¨¯’‡j cvVv‡bvi Rb¨ h_vh_ iæ‡U †Q‡o †`q| †Kvb †bUIqv‡K© GKvwaK nvehy³ n‡j Zv‡K ejv nq wUª (Tree) ev nvqiviwKK¨vj (Hierarchical) U‡cvjwR| GKwU ÷vi U‡cvjwR cÖK…Zc‡ÿ GKwU jwRK¨vj evm U‡cvjwRi g‡Zv KvR K‡i| Zvi KviY ÷vi U‡cvjwR‡Z †bUIqvK©fy³ mKj Kw¤úDUvi Drm †_‡K AvMZ wmMb¨v‡ji bvMvj cvq wKš‘ ïay Uv‡M©U Kw¤úDUvi wmMb¨vj MÖnY K‡i evwKiv H wmMb¨vj‡K AMÖvn¨ K‡i _v‡K| ÷vi U‡cvjwR e¨env‡ii myweav t  evwK †bUIqv‡K© †Kvb cÖKvi cÖwZeÜKZv m„wó bv K‡iB ÷v‡i bZzb Kw¤úDUvi †hvM Kiv m¤¢e| †K›`ªxq Ae¯’v‡b ¯’vwcZ nve †_‡K GKwU K¨vej †U‡b wb‡q Zvi mv‡_ GB bZzb Kw¤úDUviwU Ry‡o †`qv hvq|  †K›`ªxqfv‡e e¨e¯’vcbvi Rb¨ †bUIqv‡K©i mgm¨v wbiƒcY mnR| Bb‡Uwj‡R›U nve e¨envi Ki‡j Zvi mvnv‡h¨ †bUIqv‡K©i Kg©KvÐ Z_v IqvK©‡jvW gwbUwis Kiv hvq|  GKwU gvÎ Kw¤úDUv‡i †Kvb mgm¨v m„wó n‡j evwK †bUIqv‡K© Zvi cÖfve c‡o bv| Lye mn‡RB ÷vi †_‡K mgm¨v AvµvšÍ Kw¤úDUviwU mwi‡q †bqv hvq|  GKB †bUIqv‡K© wewfbœ ai‡bi K¨vej e¨envi Kiv hvq| w w w .fb.com /tanbir.cox
  • 18. 18  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  ÷vi U‡cvjwR e¨env‡ii Amyweav t  †K›`ªxq Ae¯’v‡b _vKv nv‡e †Kvb cÖKvi mgm¨v n‡j Zv cy‡iv †bUIqvK©‡K A‡K‡Rv K‡i †`q|  ÷vi U‡cvjwR‡Z cÖPzi cwigv‡b K¨vej e¨eüZ nq weavq GwU GKwU e¨qeûj c×wZ| 3. wis (Ring)t GB U‡cvjwR‡Z mKj wcwm ev †bUIqvK© wWfvBm mivmwi G‡K Ac‡ii mv‡_ wis ev gvjv AvK…wZ‡Z mshy³ _v‡K| wis-Gi †Kvb GK ¯’v‡b fvOb m„wó n‡j Zv cy‡iv †bUIqvK©‡K APj K‡i †`q| G Kvi‡Y wis U‡cvjwRi †bUIqv‡K© WvUv UªvÝwgkb e¨e¯’v wbwðZ Kivi Rb¨ wØZxq GKwU wis †hvM Kiv nq| G wis-wU‡K ejv nq †m‡KÛvwi wis (Secondary Ring)| †Kvb Kvi‡Y cÖvBgvwi wis weKj n‡q †M‡j †h‡Kvb GKwU †bvW Zv ZvrÿwYKfv‡e kbv³ K‡i Ges ZLb †m‡KÛvwi wis WvUv UªvÝwgkb Kivi `vwqZ¡ MÖnY K‡i| cÖvBgvwi wis †hw`‡K WvUv UªvÝwgkb K‡i, †m‡KÛvwi wis Zvi w`K D‡ëvw`‡K WvUv c¨v‡KU UªvÝwgkb K‡i _v‡K| wis U‡cvjwRi GKwU ev¯Íe D`vniY n‡”Q dvBevi ÷¨vÛvW© hv dvBevi wWw÷ªweDkb WvUv B›Uvi‡dm (FDDI-Fiber Distribution Data Interface) bv‡g cwiwPZ| wPÎ : wis U‡cvjRx wewkó GKwU †bUIqvK©| GLv‡b e‡j ivLv fv‡jv †Uv‡Kb wis Avm‡j †Kvb wdwRK¨vj wis U‡cvjwR bq, GwU GK ai‡bi jwRK¨vj wis U‡cvjwR hv wdwRK¨vj ÷vi U‡cvjwRi Dc‡i KvR K‡i _v‡K| wis U‡cvjRx e¨env‡ii myweav t  †h‡nZz †bUIqv‡K© Aew¯’Z cÖwZwU Kw¤úDUvi WvUv UªvÝwgkb-Gi Rb¨ †Uv‡Kb e¨env‡ii mgvb AwaKvi cvq ZvB WvUv UªvÝwgk‡bi Rb¨ †bUIqv‡K© †Kvb Kw¤úDUviB GK”QÎ AvwacZ¨ we¯Ívi Ki‡Z cv‡i bv|  †bUIqv‡K© Kw¤úDUvi msL¨v evo‡jI Gi `ÿZv Lye †ewk cÖfvweZ nq bv| wis U‡cvjwR e¨env‡ii Amyweav t  †bUIqv‡K©i GKwU gvÎ Kw¤úDUvi mgm¨vq AvµvšÍ n‡j cy‡iv †bUIqvK© APj n‡q co‡e|  wis U‡cvjwRi †bUIqv‡K© mgm¨v wbiƒcY †ek RwUj| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 19.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  19  †bUIqv‡K© †Kvb Kw¤úDUvi †hvM Ki‡j ev mwi‡q wb‡j Zv cy‡iv †bUIqv‡K©i Kvh©µg e¨vnZ K‡i w w w .fb.com /tanbir.cox
  • 20. 20  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †bUIqvK© nvW©Iq¨vi I K¨vewjs Network Hardware and Cabling Kw¤úDUvi †bUIqvK© wb‡q Av‡jvPbv Ki‡Z wM‡q G ch©šÍ Avgiv †bUIqvwK©s-Gi †gŠwjK welqvw` Ges Gi wKQy K‡¤úv‡b›U wb‡q Av‡jvPbv K‡iwQ hv †bUIqv‡K©i AeKvVv‡gv ev Bbd«v÷ªvKPvi MVb K‡i| K‡¤úv‡b›U¸‡jvi g‡a¨ D‡jøL‡hvM¨ wQj †bUIqvK© wgwWqv ev gva¨g, Kv‡bKUi| GQvov Av‡iv KwZcq nvW©Iq¨v‡ii welqI Av‡jvPbvq D‡V G‡m‡Q| G Aa¨v‡q Avgiv †bUIqv‡K©i Rb¨ AZ¨vek¨K Ggb wKQy nvW©Iq¨vi wb‡q Av‡jvPbv Kie| †bUIqvK© B›Uvi‡dm KvW© ev wbK (Network Interface Card or NIC) †h‡Kvb cÖK…wZi †bUIqvwK©s Ki‡Z †M‡jB †h wWfvmBwm mePvB‡Z Av‡M cÖ‡qvRb n‡e Zv n‡”Q †bUIqvK© B›Uvi‡dm ev G¨vWvÞvi KvW©| bZzb †bUIqvK© KvW© wKb‡Z †M‡j Avcbv‡K Gi †ek K‡qKwU wdPv‡ii w`‡K jÿ¨ ivL‡Z n‡e ZvQvov `ªæZ WvUv UªvÝdvi MwZm¤úbœ †bUIqvK© M‡o Zzj‡Z n‡j Avcbv‡K cy‡iv‡bv KvW©‡K Avc‡MÖW Ki‡Z n‡e| Gme welq wb‡qB Gevi ch©vqµ‡g Av‡jvPbv Kiv n‡”Q| wPÎ : GKwU eûj e¨eüZ †bUIqvK© B›Uvi‡dm KvW© †bUIqvK© B›Uvi‡dm KvW© ev †bUIqvK© G¨vWvÞvi ev wbK †bUIqvwKs©-Gi Rb¨ Ab¨Zg ¸iæZ¡c~Y© wWfvBm| wbK-†K †bUIqv‡K© mwµq Ki‡Z cÖ‡qvRb Gi Dchy³ mdU&Iq¨vi ev WªvBfvi (Driver)| G mdUIq¨viwU wbK wbg©vZv cÖwZôvb ev †Kv¤úvwb nvW©Iq¨v‡ii mv‡_ mieivn K‡i _v‡K| GKwU wbK g~jZ wcwm Ges WvUv K¨ve‡ji g‡a¨ wWwRUvj WvUv ev wmMb¨vj Av`vb-cÖ`v‡bi welqwU mgš^q K‡i _v‡K| Gi evB‡i wbK wbæewY©Z `vwqZ¡¸‡jv cvjb K‡i _v‡K t  †bUIqvK© B›Uvi‡dm KvW© ev wbK IGmAvB g‡W‡ji wØZxq ¯—i A_©vr WvUv wj¼ †jqv‡ii GKwU wWfvBm| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 21.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  21  WvUv K¨vej Ges Kw¤úDUv‡ii g‡a¨ ms‡hvM ¯’vcb;  wWwRUvj WvUv wmMb¨vj‡K jwRK¨vj AvKv‡i A_©vr 1 I 0 AvKv‡i K¨ve‡ji ga¨ w`‡q Av`vb cÖ`vb Kiv;  †bUIqvK© WªvBfvi †_‡K Z_¨ MÖnY Kiv Ges WªvBfvi cÖ`Ë wb‡`©kvewj (Instructions) cvjb Kiv| Avcbvi Kw¤úDUv‡i hw` †Kvb eªWe¨vÛ (Broadband) B›Uvi‡bU ms‡hvM †hgb K¨vej ev wWGmGj (DSL-Digital Subscriber Line) A_ev GwU hw` j¨v‡b (LAN-Local Area Network) mshy³ _v‡K Zvn‡j Kw¤úDUviwU‡Z G¨vWvÞvi KvW© Bb÷j Kiv _vK‡e| hw`I B‡Zvg‡a¨ †bUIqvK© KvW© mvgwMÖKfv‡e ÷¨vÛvi©vB‡Rk‡bi w`K †_‡K h‡_ó DbœZ n‡q‡Q, ZviciI eZ©gv‡b evRv‡i †h mKj KvW© cvIqv hv‡”Q , †m¸‡jvi gvb I ¸‡Yi g‡a¨ we¯Íi cv_©K¨ †`Lv hvq| †bUIqvK© Kv‡W©i Gme ˆewk‡ó¨i mvnv‡h¨ Avcwb †bUIqv‡K©i WvUv UªvÝwgkb MwZ Ges wek¦¯ÍZv wbY©q Ki‡Z cv‡ib| evRv‡i †h mKj KvW© GLb cvIqv hv‡”Q †m¸‡jv †gvUvgywUfv‡e Avcbvi µq mxgvi g‡a¨B Av‡Q| gvÎ 400 UvKv †_‡K 4000 UvKv `v‡giI †bUIqvK© KvW© Avcwb nv‡Zi bvMv‡jB cv‡eb| †bUIqvK© KvW©wU hw` GK eQ‡ii AwaK cyiv‡bv nq Zvn‡j Gi Avc‡MÖ‡Wk‡bi gva¨‡g `ÿZv eû¸Y evwo‡q †bqv hvq| †bUIqvK© KvW© ms‡hvRb (Network Card Connections) Kw¤úDUv‡ii gv`vi‡ev‡W©i mv‡_ †bUIqvK© KvW© ms‡hvR‡bi †ek K‡qKwU Ackb i‡q‡Q| B›Uvibvj ev Af¨šÍixY †bUIqvK© KvW© gv`vi‡ev‡W©i nq AvBGmG (ISA) bv nq wcwmAvB (PCI) ¯ø‡U emv‡bv n‡q _v‡K| G `y‡Uv ¯ø‡Ui g‡a¨ Avevi wcwmAvB n‡”Q AvaywbK cÖhyw³i| wcwmAvB-Gi evowZ myweav n‡jv GwU Af¨šÍixYfv‡e `ªæZZvi mv‡_ KvR Ki‡Z cv‡i, wcwmÕi mv‡_ `ªæZ WvUv Ges wb‡`©kbv wewbgq Ki‡Z cv‡i Ges cÖ‡mm‡ii A‡cÿvK…Z Kg msL¨K cÖ‡mwms mvB‡Kj e¨q K‡i _v‡K| myZivs Kw¤úDUv‡ii gv`vi‡ev‡W© wcwmAvB ¯øU _vK‡j Avcbv‡K Aek¨B wcwmAvB mv‡cvU© K‡i Ggb †bUIqvK© KvW© wKb‡Z n‡e| w w w .fb.com /tanbir.cox
  • 22. 22  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : gv`vi‡ev‡W© Aew¯’Z AvBGmG (ISA) Ges wcwmAvB (PCI) ¯øU| evRv‡i G·Uvbv©j (External) †bUIqvK© KvW©I GLb cvIqv hv‡”Q| G ai‡bi KvW© BDGmwe (USB-Universal Serial Bus) †cv‡U©i gva¨‡g Kw¤úDUv‡ii mv‡_ mshy³ nq| G·Uvb©vj †bUIqvK© Kv‡W©i WvUv cwienb MwZ B›Uvibvj Kv‡W©i PvB‡Z Kg| Z‡e Avcwb hw` GKwU gvÎ †bUIqvK© KvW©‡K A‡bK¸‡jv Kw¤úDUv‡ii g‡a¨ †kqvi Ki‡Z Pvb A_ev Kw¤úDUv‡ii gv`vi‡ev‡W© B›Uvibvj †bUIqvK© KvW© emv‡bvi Rb¨ cÖ‡qvRbxq ¯øU Lvwj bv _v‡K Zvn‡j Avcwb G·Uvb©vj †bUIqvK© KvW© e¨envi Ki‡Z cv‡ib| Z‡e BDGmwe †bUIqvK© Kv‡W©i GKwU eo Amyweav n‡”Q GwU Ab¨vb¨ BDGmwe wWfvBm (†hgb ¯‹¨vbvi)-Gi mv‡_ ؇›Øi (Conflict) m„wó Ki‡Z cv‡i | myZivs BDGmwe †bUIqvK© KvW© e¨envi Ki‡j G wel‡q we‡kl mKZ©KZv Aej¤^b Kiv cÖ‡qvRb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 23.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  23 wPÎ : †bUIqvK© KvW©wU Full Duplex †gv‡W KvR Kivi Rb¨ †mU Kiv n‡q‡Q| AwaKvsk wbK-Gi wcQ‡b GK ev GKvwaK evwZ ev wjW (LED-Loght Emitting Dide) _v‡K hv wbK WvqvMbw÷K Kv‡R e¨eüZ nq| GB evwZ †`‡LB Avcwb eyS‡Z cvi‡eb †bUIqvK© B›Uvi‡dm KvW© wVKg‡Zv KvR Ki‡Q wK bv| mvaviYZt wbK Gi wjsK wjWwU (Link LED) wbwðZ K‡i †bUIqvK© KvW© wVKg‡Zv wgwWqvi mv‡_ mshy³ n‡q‡Q Ges G¨vKwUwfwU (ACT) wjW WvUv c¨v‡KU †cÖiY I MÖn‡Yi mgq cÖwZevi weøsK (Blink) K‡i| †Kvb †Kvb †bUIqvK© Kv‡W© GKB wjW Dfq KvR m¤úbœ K‡i| †bUIqv‡K©i RwUj ev mvaviY mgm¨v wbiƒc‡Yi c~‡e© G evwZ `y‡Uv‡K GK bRi ciL K‡i wb‡j Avcwb Lye mn‡RB mgm¨vi Drm Avwe®‹vi K‡i †dj‡Z cv‡ib| †bUIqvK© KvW© †mUAvc mdUIq¨vi e¨envi t Avcwb nq‡Zv jÿ¨ Ki‡j †`L‡eb DB‡ÛvR 2000 ev DB‡ÛvR G·wc Acv‡iwUs wm‡÷‡g †bUIqvK© KvW© ev wbK Bb÷j Ki‡j Avjv`vfv‡e †bUIqvK© WªvBfvi Bb÷j Kivi cÖ‡qvRb nq bv| Acv‡iwUs wm‡÷g wbR †_‡KB cÖ‡qvRbxq WªvBfvi¸‡jv Bb÷j K‡i †bq Ges wbR †_‡KB †bUIqvK© KvW©wU‡Z kbv³ Ki‡Z mÿg nq| wKš‘ DB‡ÛvR 98 Acv‡iwUs wm‡÷‡g †bUIqvK© KvW© Bb÷j Kivi ci Avjv`vfv‡e Kv‡W©i mv‡_ Avmv WªvBfviwU Bb÷j K‡i wb‡Z nq| Ab¨_vq wm‡÷g G‡K kbv³ Ges mwµq Ki‡Z cv‡i bv| †bUIqvK© KvW© †mUAvc wW‡¯‹i mv‡_ †ek KZK¸‡jv BDwUwjwU †cÖvMÖvg ev mdUIq¨vi _v‡K, hv e¨envi K‡i Avcwb †bUIqvK© Kv‡W©i wewfbœ c¨vivwgUvi KbwdMvi Ki‡Z cv‡ib| GQvov Gme BDwUwjwU w`‡q Avcwb †bUIqvK© Kv‡W©i wewfbœ mgm¨v wPwýZ Ges Zv mgvavbI Ki‡Z cv‡ib | Gevi †bUIqvK© †mUAvc wW‡¯‹i BDwUwjwU †cÖvMÖv‡gi G ai‡bi KZ¸‡jv e¨envi †`Lv‡bv n‡jvÑ w w w .fb.com /tanbir.cox
  • 24. 24  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  K. cÖavb †gby¨i Aaxb View Current Configuration Ackb wm‡j± Ki‡j Avcwb Avcwb †bUIqvK© Kv‡W©i B_vi‡bU ev g¨vK G‡Wªm, Wyc‡j· †gvW mwµq wKbv, B›UvivÞ †mwUs b¤^i-5BZ¨vw` Z_¨vw` ‡`L‡Z cv‡ib| L. Ic‡ii Z_¨vw` bZzb K‡i †mwUs ev cwieZ©b Ki‡Z PvB‡j Avcwb †gBb †gby¨i Aaxb Set up New Configuration wm‡j± Kiæb Ges †mLvb †_‡K Avcwb Pvwn`vg‡Zv Z_¨vw` †mU K‡i wbb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 25.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  25 M. Ic‡ii wP‡Î †`Lv‡bv n‡q‡Q †h WvUv †d¬v K‡›Uªvj Ack‡b UªvÝwgkb Ges wiwmwfs `y‡Uv c¨vivwgUviB wbw®Œq Kiv Av‡Q| G `y‡Uv c¨vivwgUvi mwµq Kivi Rb¨ cc-Avc †gby¨i mvnvh¨ †bqv n‡q‡Q| N. †gBb †gby¨i Aaxb Run Diagnostics AckbwU wm‡j± K‡i Avcwb †bUIqvK© KvW© Z_v †bUIqv‡K©i mgm¨v wPwýZ Ki‡Z cv‡ib| Av‡jvP¨ D`vni‡Y WvqvMbw÷Km ivb Kivi ci †`Lv hv‡”Q †bUIqvK© KvW© mswkøó †Kvb mgm¨v †bB| GLv‡b Avcwb Av‡iv †`L‡Z cvi‡Qb †bUIqv‡K©i K¨vej h_v_©fv‡e mshy³ Av‡Q| g¨vK G‡Wªm (MAC Address): cÖwZwU †bUIqvK© Kv‡W©i GKwU weë-Bb BDwbK AvBwW _v‡K hv g¨vK ev wgwWqv G¨vK‡mm K‡›Uªvj (MAC-Media Access Control) G‡Wªm bv‡g cwiwPZ| †bUIqvwK©s †UK‡bvjwRi mKj †gŠwjK Acv‡ikb Gi g¨vK G‡Wª‡mi Dci wfwË K‡i M‡o D‡V‡Q| cÖ‡Z¨KwU‡K wbKÕGiB Avjv`v Avjv`v G‡Wªm Av‡Q Ges GKwUi G‡Wªm Ab¨wUi mv‡_ KL‡bvB wgj‡e bv| GB wbK G‡Wª‡mi gva¨‡g †bUIqv‡K© GKwU wWfvBm (Kw¤úDUvi, wcÖ›Uvi ev Ab¨ †h †Kvb †bUIqvK© †nv÷) ¯^Zš¿fv‡e wPwýZ nq| cieZ©x‡Z Avgiv †`L‡ev (wUwmwc/AvBwc Aa¨v‡q) †h ev¯Íe †ÿ‡Î Kw¤úDUvi †bUIqvK© †mU Avc Ki‡Z wM‡q Av‡iv Ab¨vb¨ G‡Wªwms w¯‹g e¨envi Kiv n‡”Q| wKš‘ †bUIqv‡K©i Pvicv‡k †nv÷ †_‡K WvUv D‡Ëvjb (pump) Ges Zv mÂvj‡bi KvRwU ïay g¨vK G‡Wª‡mi gva¨‡g m¤úbœ nq| w w w .fb.com /tanbir.cox
  • 26. 26  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  cÖwZwU wbK-Gi GKwU wbR¯^ ev BDwbK nvW©Iq¨vi G‡Wªm _v‡K hv Kv‡W©i wc-i‡g (PROM- Programmable Read-only) evb© (Burn) K‡i †`qv nq| wbK-Gi nvW©Iq¨vi wVKvbv g¨vK wVKvbv (MAC Address) bv‡gI cwiwPZ| GLv‡b D‡jøL¨ †h IGmAvB g‡W‡ji (OSI Model) g¨vK mve-†jqvi ev Dc¯Íi (g¨vK mve-†jqvi WvUv wjsK †jqv‡ii GKwU Ask) nvW©Iq¨vi wVKvbv e¨e¯’vcbv ev iÿYv‡eÿ‡Yi `vwqZ¡ cvjb K‡i| cÖwZwU g¨vK wVKvbv 6 evBU ev evBbvwi weU wn‡m‡e †bUIqvK© Kv‡W©i g¨vK G‡Wªm n‡”Q 48weU wewkó| Z‡e eySv Ges covi myweav‡_© GB G‡Wªm‡K †n·v †Wwmgv‡j (16 †eR wewkó) ms‡ÿc K‡i cÖKvk Kiv nq| D`vniY¯^iƒc GKwU †bUIqvK© Kv‡W©i g¨vK G‡Wªm n‡Z cv‡i 00 E0 98 01 09 0E| Gi cÖ_g wZb evBU mieivn K‡i AvB-wUªcj-B (IEEE-The Institute for Electrical and Electronics Engineering,Inc.), hv AiMvbvB‡Rkbvwj BDwbK AvB‡WbwUdvqvi (OUI) bv‡g cwiwPZ| †kl wZb evBU wbK wbg©vZv cÖwZôvb KZ…©K mieivn Kivi gva¨‡g GKwU c~Y©v½ Ges BDwbK g¨vK G‡Wªm ˆZwi Kiv nq| wPÎ : DB‡Ûv‡R ipconfig KgvÛ e¨envi K‡i Avcwb †bUIqvK© Kv‡W©i g¨vK G‡Wªm (Physical Address) †`L‡Z cv‡ib| Avcwb Lye mn‡RB Avcbvi Kw¤úDUv‡i Bb÷jK…Z wbK-Gi g¨vK G‡Wªm Luy‡R †ei Ki‡Z cv‡ib| Avcwb hw` Kw¤úDUv‡i DB‡ÛvR 2000 ev GbwU Acv‡iwUs wm‡÷g Pvjvb Zvn‡j Wm Kgv‡Û wM‡q KgvÛ jvBb BDwUwjwU IPCONFIG e¨envi K‡i g¨vK G‡Wªm †ei Ki‡Z cv‡ib| DB‡ÛvR 95 ev 98-Gi †ÿ‡Î GB KgvÛwU n‡e WINIPCFG| Z‡e Avcbv‡K g‡b ivL‡Z n‡e Avcwb ZLbB GB KgvÛ jvBb BDwUwjwU KgvÛ¸‡jv e¨envi Ki‡Z mÿg n‡eb hLb Avcbvi Kw¤úDUv‡i wUwmwc/AvBwc †bUIqvwK©s †cÖv‡UvKj my¨U Bb÷j Kiv _vK‡e| wjbv· Acv‡iwUs wm‡÷‡gi †ÿ‡Î wbKÕGi g¨vK G‡Wªm †`L‡Z n‡j Avcbv‡K KgvÛ DB‡Ûv‡Z wM‡q ifconfig KgvÛ e¨envi Ki‡Z n‡e| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 27.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  27 Gme KgvÛjvBb BDwUwjwU QvovI Avcwb wbK-Gi mv‡_ mieivnK…Z †mUAvc †cÖvMÖvg e¨envi K‡i Avcwb g¨vK G‡Wªm †ei Ki‡Z cvi‡eb| †Kvb †Kvb wbK wbg©vZviv AvKvi wbKÕGi Dci GKwU †j‡e‡j g¨vK G‡Wªm wcÖ›U K‡i †`q| wbK Bb÷‡jkb (NIC Installation) t DB‡ÛvR GbwU/2000 cwi‡e‡k wbK Bb÷‡jkb I KbwdMv‡ik‡bi Rb¨ wbæ ewY©Z avc¸‡jv AbymiY Kiv †h‡Z cv‡it  cÖ‡qvRb n‡j wbK-Gi Rv¤úvi (Jumper) Ges wWc (Dip) myBPmg~n KbwdMvi K‡i KvW©wU wcwmÕi h_vh_ ¯ø‡U ¯’vcb Ki‡Z n‡e| G KvRwU Kivi Rb¨ cÖ‡qvR‡b mdU&Iq¨vi KbwdMv‡ikb BDwUwjwU e¨envi Kiæb;  wbK-Gi mv‡_ Avmv mdU&Iq¨vi ev WªvBfvi Gevi h_vh_fv‡e Bb÷j Kiæb;  wm‡÷‡gi mv‡_ †cÖv‡UvKj †hvM Kiæb Gevi| †cÖv‡UvKjwU Aek¨B wbK, Acv‡iwUs wm‡÷g Ges †bUIqv‡K©i Dc‡hvMx n‡Z n‡e;  G ch©v‡q K¬v‡q›U mdU&Iq¨vi Bb÷j Kiæb;  me‡k‡l wbK-Gi †cv‡U©i mv‡_ h_vh_ Kv‡bKUimn †bUIqvK© K¨vej Gevi mshy³ Kiæb| †bUIqvK© Kv‡bKwUwfwU wWfvBmg~n (Network Connectivity Devices) t Avcwb nq‡Zv AvR‡K gvÎ 5wU Kw¤úDUvi I 2wU wcÖ›Uvi w`‡q GKwU j¨vb ¯’vcb Ki‡jb| e¨emvq m¤cÖmviY ev †Kv¤úvwbi DˇivËi DbœwZi Rb¨ Avcbv‡K wKQyw`b c‡iB Kw¤úDUvi I wcÖ›Uv‡ii msL¨v evov‡Z n‡Z cv‡i| Avi GRb¨ Avcbvi j¨v‡bi AvK…wZUv †e‡o hv‡e AeavwiZfv‡e| GKwU j¨vb‡K (LAN) evov‡Z n‡j G‡K cÖ_‡g K‡qKwU c„_K †mM‡g‡›U (Segment) wef³ Ki‡Z nq| G‡Z †bUIqv‡K© WvUv eªWKv‡÷i (Broadcast) cwigvb K‡g Av‡m Ges wbivcËv †Rvi`vi nq| †bUIqvK© †mM‡g›U¸‡jv GK‡Î †Rvov w`‡j hv ˆZwi nq Zvn‡jv B›Uvi‡bUIqvK© (Internetwork)| B›Uvi‡bUIqv‡K© †mM‡g›U¸‡jv †Rvov †`evi Kv‡R †h mKj hš¿ ev wWfvBm e¨eüZ nq Zv‡K ejv †bUIqvK© Kv‡bKwUwfwU wWfvBm (Connectivity Device)| B›Uvi‡bUIqv‡K© mvaviYZt †h mKj Kv‡bKwUwfwU wWfvBm e¨eüZ nq Zvn‡jvÑ K) wiwcUvi Ges nve (Repeater and Hub) L) weªR Ges ivDUvi (Bridge and Router) M) †MUI‡q (Gateway) Ges N) eªvDUvi (Brouter) w w w .fb.com /tanbir.cox
  • 28. 28  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  K) wiwcUvi Ges nve (Repeater and Hub) t †bUIqv‡K© UªvÝwgkb wgwWqvi ga¨ w`‡q hLb †Kvb B‡jK‡Uªvg¨vM‡bwUK I‡qe ev wmMb¨vj Pj‡Z _v‡K ZLb wgwWqv GB wmMb¨vj‡K `ye©j K‡i †d‡j| wmMb¨vj `ye©j n‡q covi GB welqwU‡K ejv nq GwUwbD‡qkb (Attenuation) | D‡jøL¨ G GwUwbD‡qkbB wKš‘ wgwWqvi ga¨ w`‡q wmMb¨vj AwZµg‡hvM¨ `~i‡Z¡i Dci jvMvg †U‡b †`q| GKwU wiwcUv‡ii mvnvh¨ wb‡q GB GwUwbD‡q‡UW ev `ye©j wmMb¨vj‡K hw` G¨vgwcødvB (Amplify) ev kw³kvjx Kiv hvq Zvn‡j GB wmMb¨vj Av‡iv AwaK `~iæZ¡ AwZµg Ki‡Z mÿg n‡e| wmMb¨vj †ewk `~iZ¡ AwZµg Ki‡Z cvi‡j †m‡ÿ‡Î †bUIqv‡K©i AvKviI Av‡iv m¤cÖmvwiZ Kiv m¤¢e nq| GLv‡b D‡jøL Kiv cÖ‡qvRb †h G¨vKwUf ev mwµq nv‡e wiwcUvi weë-Bb Ae¯’vq _v‡K| wiwcUvi‡K Avevi `yÕfv‡e fvM Kiv hvq| G¸‡jv n‡”QÑ  G¨vgwcødvqvi (Amplifier) t G¨vgwcødvqv‡ii KvR n‡”Q cy‡iv BbKvwgs (Incoming) wmMb¨vj‡K G¨vgwcødvB Kiv A_©vr Gi kw³‡K evwo‡q †`qv hv‡Z wmMb¨vj Av‡iv †ewk `~iZ¡ AwZµg Ki‡Z cv‡i|  wmMb¨vj cyb:Drcv`bKvix (Signal Regenerator) t GwU G¨vgwcødvqv‡ii †P‡q †ewk Kg©ÿg I Kvh©Kix| BbKvwgs wmMb¨v‡j hw` †Kvb cÖKvi AbvKvw•ÿZ wmMb¨vj ev kã (Noise) _v‡K Zvn‡j †m kã‡K wdëvwis K‡i ev ev` w`‡q g~j wmMb¨v‡ji ûeû Wywcø‡KU GKwU wmMb¨vj ˆZwi K‡i| Zvici GB wmMb¨vj‡K cybM©Vbc~e©K (Reconstruct) wbw`©ó j‡ÿ¨ cybivq UªvÝwgU K‡i _v‡K| GKwU wiwcUvi `yB ev Z‡ZvwaK †bUIqvK© †mM‡g›U‡K mshy³ K‡i †bUIqv‡K©i AvIZvaxb Kw¤úDUvimg~‡ni WvUv Av`vb- e¨envi K‡i Avcwb mshy³ Kw¤úDUv‡ii msL¨vI evov‡Z cv‡ib| D`vniY¯^iƒc GKwU 10Base2 †bUIqvK© †mM‡g›U m‡e©v”P 30wU Kw¤úDUvi aviY Ki‡Z cv‡i| wiwcUv‡ii mvnv‡h¨ G ai‡bi `y‡Uv 10Base2 †bUIqvK© †mM‡g›U‡K GKwÎZ Kiv n‡j G‡Z m‡e©v”P 60wU Kw¤úDUvi hy³ Kiv hv‡e| wiwcUvi GKB †bUIqv‡K© wewfbœ ai‡bi K¨vewjs wm‡÷g m¤úbœ †bUIqvK© †m‡M‡g›Umg~n mshyw³ mv‡cvU© K‡i| D`vniY¯^iƒc 10Base2 Ges 10Base5 `y‡Uv wfbœ K¨vewjs wm‡÷‡gi †bUIqvK© †mM‡g›U| wiwcUvi G `y‡Uv †mM‡g›U‡K GKwÎZ ev mshy³ Kivi †Kvb cÖKvi mgm¨v †gvKv‡ejv Ki‡e bv| Zvi KviY Dfq ai‡bi †bUIqvK© †mM‡g›UB GKB iKg WvUv c¨v‡KU ÷ªvKPvi e¨envi K‡i| nve (Hub)t Av‡MB D‡jøL Kiv n‡q‡Q ÷vi U‡cvjwR‡Z †K›`ªxq wWfvBmwU n‡”Q nve ev myBP hv †bUIqv‡K© GKwU ¸iæZ¡c~Y© Ask| ÷vi U‡cvjwR‡Z Pvi ai‡bi nve/ myBP e¨envi Kiv nq| G¸‡jv n‡”QÑ Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 29.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  29 1) c¨vwmf nve (Passive Hub)t c¨vwmf nve wmMb¨vj MÖnY K‡i Ges wmMb¨v‡ji †Kvb cÖKvi cwieZ©b/ cwiea©b Qvov Zv Ab¨ GKwU Kw¤úDUv‡i cvwV‡q †`q| wPÎ : weGbwm Ges wbKmn GKwU 10BaseT nve | 2) mwµq nve (Active Hub)t mwµq ev G¨vKwUf nve wmMb¨vj cÖ_‡g MªnY K‡i Ges G‡K cybiærcv`b (Regeneration) ev G¨vwcøwd‡Kkb (Amplification) Øviv kw³kvjx K‡i Zv Ab¨ Kw¤úDUv‡i cvVvq| 3) eyw×gvb nve (Intelligent Hub)t eyw×gvb ev B›Uvwj‡R›U nve A‡bKUv mwµq nv‡ei g‡ZvB| Z‡e G‡Z †bUIqvK© GWwgwb‡÷ªk‡bi Rb¨ GKwU g¨v‡bR‡g›U KvW© _v‡K| 4) myBP (Switch) t myB‡Pi mv‡_ Ab¨vb¨ nv‡ei cÖavb cv_©K¨ n‡jv myBP wmMb¨vj wiwmf Kivi ci Zv mivmwi Uv‡M©U †cvU© ev †cvU©mg~‡n †cÖiY K‡i _v‡K| wKš‘ Ab¨vb¨ nve wiwmf Kiv wmMb¨vj mKj †cv‡U©B cvVvq, G‡ÿ‡Î Uv‡M©U †cvU© wmMb¨vj MªnY K‡i Ges Ab¨vb¨ †cvU© Zv AMªvn¨ K‡i | nve Ges myBP-Gi g‡a¨ cv_©K¨ t A‡b‡K Avevi nve‡K †kqviW wgwWqvg nve (Shared Medium Hub) Ges myBPW j¨vb nve (Switched LAN Hub)-G `yfv‡M fvM K‡i _v‡K | †kqviW wgwWqvg nve KbwdMv‡ik‡b GKwU †K›`ªxq nve _v‡K| GKwU ÷vi Iq¨vwis e¨e¯’vcbvi gva¨‡g IqvK©‡÷kb ev wcwm¸‡jv‡K nv‡ei mv‡_ mshy³ Kiv nq| G ai‡bi KbwdMv‡ik‡b hw` †Kvb †÷kb WvUv c¨v‡KU UªvÝwgU K‡i Zvn‡j Zv cÖ_‡g nve MÖnY (Receive) K‡i| GB nve H WvUv c¨v‡KU Ab¨vb¨ mKj ewnM©vgx jvB‡b Qwo‡q †`q| myZivs †kqviW wgwWqvg nv‡ei †ÿ‡Î WvUv c¨v‡KU msNl© Gov‡bvi Rb¨ †Kvb GKwU wbw`©ó mg‡q ïay GKwU †÷kbB WvUv †cÖiY K‡i|  wiwcUvi Ges nve n‡”Q IGmAvB g‡W‡ji cÖ_g ¯—i A_©vr wdwRK¨vj †jqv‡ii wWfvBm| Zvi KviY Giv †KejgvÎ B‡jKwUªK¨vj wmMb¨vj wb‡q KvR K‡i| wiwcUvi Ges nve †bUIqvK© G‡Wªm Ges WvUv c¨v‡K‡Ui g‡Zv RwUj welq¸‡jv Abyaveb Ki‡Z m¶g bq| w w w .fb.com /tanbir.cox
  • 30. 30  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  myZivs 10 †gMv weUm cÖwZ †m‡K‡Û MwZm¤úbœ †Kvb B_vi‡bU †bUIqv‡K©i †ejvq †kqviW wgwWqvg nv‡ei †gvU WvUv UªvÝwgkb MwZ n‡”Q 10 †gMv weUm cÖwZ †m‡K‡Û| L) eªxR Ges ivDUvi (Bridge and Router) t 90 kZ‡Ki cÖ_g w`‡K myBP evRv‡i Avmvi c~‡e© †bUIqvK© e¨vÛDBW_ e¨e¯’vcbvi Rb¨ Ab¨ `y‡Uv wWfvB‡mi mvnvh¨ †bqv n‡Zv| GB `y‡Uv wWfvBmB n‡”Q eªxR Ges ivDUvi| eªxR Ges ivDUvi GKwU †bUIqv‡K©i wewfbœ †mKk‡bi g‡a¨ WvUv Uªvwd‡Ki e¨e¯’vcbvi (†hgb wdëvwis) KvR K‡i| WvUv UªvwdK myôz e¨e¯’vcbvi Rb¨B †bUIqv‡K©i e¨vÛDBW_-Gi h_vh_ e¨envi wbwðZ Kiv m¤¢e nq| Gi evB‡iI eªxR Ges ivDUvi Av‡iv KwZcq KvR †bUIqv‡K©i Rb¨ m¤úbœ K‡i, hv †bUIqv‡K©i mvwe©K `ÿZv Dbœq‡b AZ¨šÍ mnvqK| eªxR (Bridge) t Ggb wKQy †bUIqvK© †cÖv‡UvKj Av‡Q hv †bUeyK bb-ivDU¨vej (†hgb NetBEUI) A_©vr GB †cÖv‡UvKj e¨envi K‡i GK †mM‡g›U †_‡K Ab¨ †mM‡g‡›U ivDUv‡ii ga¨ w`‡q wmMb¨vj ev WvUv c¨v‡KU cvVv‡bv hvq bv| wVK G ai‡bi bb-ivDU¨vej †cÖv‡UvK‡ji †ÿ‡Î wmMb¨vj‡K GK †mM‡g›U †_‡K Ab¨ †mM‡g‡›U cvVv‡Z eªxR e¨eüZ nq| eªxR mvaviYZt †QvU AvKv‡ii †bUIqv‡K©i Rb¨ LyeB Kvh©Kix GKwU Kv‡bKwUwfwU wWfvBm| eªxR n‡Z cv‡i †Kvb ÷¨vÛ G¨v‡jvb wWfvBm hv †`L‡Z †Kvb GKwU B_vi‡bU wiwcUvi ev nv‡eÕi g‡Zv| A_ev GKwU wcwm‡Z `y‡Uv wbK Bb÷j K‡i Ges Gi mv‡_ h_vh_ eªxR mdUIq¨vi e¨env‡ii g‡a¨ G‡K eªxR wn‡m‡e Kv‡R jvMv‡bv hvq| GKvwaK j¨vb‡K mshyw³i gva¨‡g IqvBW Gwiqv †bUIqvK© ev Iqvb MV‡bi Rb¨ eªxR ev ivDUvi e¨eüZ nq| GB `y‡Uv wWfvB‡mi g‡a¨ eªx‡Ri MVb I Kvh©cYvjx A‡cÿvK…Z mnR| eªxR ïay GKB ai‡bi j¨vb‡K mshy³ Ki‡Z cv‡i| ivDUv‡ii Kvh©cwiwa A‡bK †ewk we¯Z…Z| GwU wewfbœ cÖKv‡ii j¨vb I Iqvb‡K mshy³ K‡i GKB †bUIqv‡K©i AvIZvq wb‡q Avm‡Z cv‡i| ivDUvi (Router) t GKwU wiwcUvi †bUIqvK© m¤cÖmvi‡Yi Rb¨ †h mKj KvR K‡i ZvÕi cy‡ivUvB Ki‡Z cv‡i GKwU ivDUvi| GKwU eªx‡Ri g‡ZvB ivDUvi †bUIqv‡K© WvUv c¨v‡KU wdëvi Ges Zv d‡ivqvW© Ki‡Z cv‡i| ZvQvov ivDUvi †bUIqv‡K©i g‡a¨ GKvwaK ev gvwëcj iæU mv‡cvU© K‡i Ges †m wfbœ wfbœ ai‡bi (†hgb B_vi‡bU, †Uv‡Kb wis) †bUIqvK©‡K mshy³ Ki‡Z cv‡i | eªxRI wewfbœ †bUIqvK© Ask‡K mshy³ Ki‡jI ivDUv‡ii mv‡_ Gi cv_©K¨ n‡”Q †h, ivDUv‡ii `yÕcv‡ki †bUIqvK© c„_K c„_K †bUIqvK© wn‡m‡e we‡ewPZ nq| `yB ev Z‡ZvwaK jwRK¨vwj (Logical) c„_K Ggb †bUIqvK©‡K mshy³ Ki‡Z ivDUvi jwRK¨vj I wdwRK¨vj G‡Wªwms c×wZ e¨envi K‡i _v‡K| ivDUvi ms‡hvM cÖ`v‡bi KvRwU mgvav K‡i _v‡K eo eo †bUIqvK©‡K †QvU †QvU jwRK¨vj †bUIqvK© †mM‡g‡›U AM©vbvBR Kivi gva¨‡g| GB cÖwZwU †QvU †bUIqvK© †mM‡g›U‡K ejv nq mve‡bUIqvK© (Subnetwork) Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 31.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  31 ev mve‡bU (Subnet) ivDUvi Avevi cÖwZwU mve‡b‡Ui wecix‡Z GKwU K‡i jwRK¨vj G‡Wªm eivÏ w`‡q _v‡K| ivDUvi KbwdMv‡ikb (Router Configuration) t ivDUvi‡K mvaviYZt `yÕfv‡e KbwdMvi Kiv n‡q _v‡K| c×wZ `y‡Uv n‡”QÑ  ÷¨vwUK ivDwUs (Static Routing) t ÷¨vwUK ivDwUs-Gi †ÿ‡Î †bUIqvK© GWwgwb‡÷ªUi wewfbœ †bUIqvK© †mM‡g›U¸‡jvi c_ ivDwUs-Gi Rb¨ wb‡RB KbwdMvi K‡i _v‡Kb| wPÎ : Wm †cÖv¤úU Route Print -G KgvÛ w`‡q Avcwb †bUIqv‡K© mwµq ivDUv‡ii ÷¨vUvm †`L‡Z cv‡i|  WvqbvwgK ivDwUs (Dynamic Routing) t G ai‡bi ivDwUs-G GKwU ivDwUs †cÖv‡UvKj †hgb wic (RIP Routing Information Protocol) ev IGmwcGd (OSPF–Open Shortest Path First) cÖ_‡g wmMb¨vj eªWKvw÷s (Broadcasting)-Gi gva¨‡g †bUIqv‡K© Aew¯’Z Ab¨vb¨ ivDUv‡ii mv‡_ †hvMv‡hvM ¯’vcb K‡i Ges GB †hvMv‡hv‡Mi gva¨‡g †m wewfbœ †bUIqv‡K©i iæU wbiæcY K‡i| AZ:ci BbKvwgs WvUv wmMb¨vj‡K H wbw`©ó †bUIqvK© †mM‡g‡›U cvwV‡q †`q|  ivDUvi WvUv c¨v‡K‡Ui cÖK…wZ ev aiY cwieZ©b Ki‡Z m¶g| A_©vr ivDUvi B_vi‡bU †bUIqv‡K©i WvUv c¨v‡KU‡K †Uv‡Kb wis ‡bUIqvK© Dc‡hvMx WvUv c¨v‡KU wn‡m‡e cwieZ©b K‡i wb‡Z cv‡i| ivDUvi A‡bK¸‡jv †bUIqv‡K©i g‡a¨ WvUv c¨v‡K‡Ui Rb¨ h_v_© Ges Dc‡hvMx c_ (Route) wbe©vPb Ki‡Z cv‡i| G Kvi‡Y ivDUvi IGmAvB g‡W‡ji Z…Zxq ¯—i ev †bUIqvK© †jqv‡i KvR K‡i| w w w .fb.com /tanbir.cox
  • 32. 32  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  M) †MUI‡q (Gateway)t ivDUvi mdjfv‡e ïay H mg¯Í †bUIqvK©‡K mshy³ Ki‡Z cv‡i hv‡`i †cÖv‡UvKj¸‡jv GKB c×wZ‡Z KvR K‡i| hw` †bUIqvK©mg~‡ni †cÖv‡UvKj¸‡jv m¤ú~Y© wfbœ iK‡gi nq, Zvn‡j ivDUv‡ii †P‡qI AwaK kw³kvjx I eyw×gvb wWfvB‡mi cÖ‡qvRb nq, Avi GB wWfvBmwU n‡”Q †MUI‡q| A_©vr GKwU †MUI‡q n‡”Q Ggb GKwU wWfvBm ev wm‡÷g hv `y‡Uv wfbœ cÖK…wZi †bUIqvK© ev Gwcø‡Kk‡bi g‡a¨ WvUv wewbg‡qi my‡hvM K‡i †`q| †MUI‡qi me‡P‡q eo ˆewkó¨ n‡”Q GwU †bUIqv‡K© e¨eüZ wewfbœ ai‡bi †cÖv‡UvKj e¨vL¨v (Interpret) Ges Abyev` (Translate) Ki‡Z mÿg| D`vniY¯^iƒc Avcbvi †bUIqv‡K© GKwU B-†gBj †MUI‡q _vKv Avek¨K, hw` Avcwb `yÕwU wfbœ ai‡bi †gBj mvf©vi wmwm †gBj (CC Mail) mvf©vi Ges gvB‡µvmdU G·‡PÄ (Microsoft Exchange) †gBj mvf©v‡ii g‡a¨ B-†gBj wewbgq Ki‡Z Pvb| wcwm wfwËK B-†gBj wm‡÷g Ges AvBweGg †gBb‡d«g (IBM Mainframe) Kw¤úDUv‡ii g‡a¨ B-†gBj †hvMv‡hvM Kiv‡Z n‡j †MUI‡q e¨envi Kiv Avek¨K| †MUI‡q G‡ÿ‡Î Avcbvi A‡MvP‡iB wcwm †U·U‡K AvBweGg dig¨vU ev AvBweGg dig¨vU‡K wcwm †U·U-G iƒcvšÍi K‡i| G cÖm‡½ Av‡iv GKwU D`vniY Zz‡j aiv hvK| Avcwb nq‡Zv Avcbvi GbwU mvf©v‡i (NT Server) gvB‡µvmdUÕGi Gateway Services for Netware ivb Ki‡Qb| Gid‡j †bUIqvK© BDRviiv GbwU mvf©v‡ii gva¨‡g Novell Netware Acv‡iwUs wm‡÷g wewkó mvf©v‡ii dvBj Ges wcÖ›U wi‡mvm© e¨envi Ki‡Z cvi‡e| BDRv‡ii Kv‡Q †bv‡fj †bUIq¨v‡ii wi‡mvm©¸‡jv GbwU Acv‡iwUs wm‡÷‡gi wi‡mv‡m©i g‡ZvB g‡b n‡e| G‡ÿ‡Î †MUI‡q mdUIq¨vi BDRvi wi‡Kv‡q÷¸‡jv‡K Ggbfv‡e Uªv݇jU K‡i hv‡Z †m¸‡jv gvB‡µvmdU Ges †bv‡fj Dfq †bUIqvwK©s Acv‡iwUs wm‡÷‡gi wbKUB †evaMg¨ nq|  ÷¨vwUK ivDwUs Gi †¶‡Î ivDUvi‡K g¨vbyqvjx KbwdMvi Ki‡Z nq| Aciw`‡K WvqbvwgK ivDwUs †cÖv‡UvKj Gi †¶‡Î †bUIqvK© wWfvBmmg~n ivDUvi KZ©„K ¯^qswµqfv‡e wnmve Kiv i“U a‡iB G‡K Ac‡ii mv‡_ †hvMv‡hvM mvab K‡i| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 33.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  33 wPÎ : †bUIq¨v‡ii Rb¨ †MUI‡q mvwf©m wm‡÷‡g †hvM Kiv n‡”Q| †bUIqv‡K©i †ÿ‡Î †MUI‡q kãwUÕi `y‡Uv A_© Av‡Q| mvaviY A‡_© †MUI‡q n‡”Q Ggb GKwU wWfvBm hv D”P IGmAvB †jqv‡i KvR K‡i| wKš‘ wUwmwc/AvBwc wfwËK †bUIqv‡K©i †ÿ‡Î ivDUvi Ges †MUI‡q GKB A‡_© e¨envi Kiv nq| myZivs wUwmwc/AvBwc-Gi †ÿ‡Î GKwU ivDUvi n‡”Q GKwU †MUI‡q| †MUI‡q IGmAvB g‡W‡ji †Kvb ¯Í‡i KvR K‡i Zv wb‡q weZK© Av‡Q| †KD †KD e‡j _v‡Kb †MUI‡q mKj ¯Í‡iB KvR K‡i| Avevi †KD †KD e‡jb GwU ïay ¯Íi 4-7 Gi g‡a¨ KvR K‡i| Zvi GB PviwU ¯Íi A_v©r Uªv݇cvU©, †mkb, †cÖ‡R‡›Ukb Ges Gwcø‡Kkb-G WvUv Drcbœ, cÖ‡mm Ges e¨e¯’vcbvi KvR¸‡jv n‡q _v‡K| N) eªvDUvi (Brouter) t Lye mnRfv‡e ej‡Z †M‡j eªvDUvi n‡”Q ivDUvi I eªx‡Ri mgwó | A_©vr eªvDUvi = ivDUvi + eªxR| eªvDUvi e¨env‡ii cÖavb myweav n‡”Q Gi gva¨‡g †h‡Kvb †cÖv‡UvKj ivDwUs Kiv hvq| D`vniY¯^iƒc eªvDUv‡i AvBwc (IP) ivDUvi Ask e¨envi Ki‡e| Ab¨w`‡K bb-ivDU¨vej †cÖv‡UvKj †bUeyB (NetBEUI) eªxR Ask e¨envi Ki‡e| GB B›Uvi‡bUIqvK© Dfq †cÖv‡UvKj e¨env‡ii myweav †`q| eªvDUvi g~jZ GKwU mdU&Iq¨vi hv ivDUv‡ii Dci KvR K‡i| †bUIqvK© wgwWqv (Network Media)t †bUIqvK© Kv‡W©i gva¨‡g GKwU wcwm-†K Ab¨ wcwmÕi mv‡_ mshyw³i Rb¨ †h wWfvBmwU e¨eüZ nq Zv n‡”Q †bUIqvK© K¨vej| wKš‘ Iq¨vi‡jm †bUIqvwK©s ev gvB‡µvI‡qf wjs‡Ki †ejvq †Kvb wdwRK¨vj Zvi ev K¨vej e¨eüZ nq bv| G‡ÿ‡Î Bbd«v‡iW ev Iq¨vi‡jm  wUwmwc/AvBwc wfwËK †bUIqv‡K© ivDUvi mvaviYZ: †MUI‡q wn‡m‡e cwiwPZ| w w w .fb.com /tanbir.cox
  • 34. 34  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wWfvBm B‡jKUªg¨vM‡bwUK wmMb¨v‡ji Øviv G‡K Ac‡ii mv‡_ †hvMv‡hvM K‡i| G Kvi‡YB †bUIqvK© wgwWqv kãwU K¨vejwfwËK Ges K¨vejwenxb Dfq cÖKvi †hvMv‡hvM e¨e¯’vi †ÿ‡Î e¨envi Kiv n‡q _v‡K| †bUIqvK© wgwWqv‡K cÖavbZt `yÕfv‡M wef³ Kiv nq| cÖ_gZt evD‡ÛW wgwWqv (Bounded Media) hv wdwRK¨vj †bUIqvK© K¨vewjs bv‡gI cwiwPZ| G ai‡bi wgwWqv n‡”Q Kcvi, dvBevi BZ¨vw`| wØZxqZt AvbevD‡ÛW (Unbounded Media) †hgb gvB‡µvI‡qf, Iq¨vi‡jm, Ges Bbd«v‡iW †bUIqvK© wjsKm| eZ©gv‡b Kw¤úDUvi †bUIqvwK©s-Gi Rb¨ wewfbœ ai‡bi wgwWqv e¨envi Kiv n‡”Q| G‡`i g‡a¨ Ggb wKQy wgwWqv Av‡Q hv‡`i WvUv UªvÝwgkb MwZ †ewk Ges †ek `~‡ii wWfvBm‡K mshy³ Ki‡Z cv‡i| GLv‡b D‡jøL¨ †bUIqvK© wgwWqv, Kv‡b±i, B‡jKwUªK¨vj wmMb¨vj IGmAvB g‡W‡ji cÖ_g ¯Í‡ii AvIZvfy³| Avgiv G Aa¨v‡q eûjfv‡e e¨eüZ n‡”Q Ggb RbwcÖq KwZcq wgwWqv wb‡q Av‡jvPbv Kie| K¨vej gva¨‡gi cÖKvi‡f` (Types of Cable Media) t Kw¤úDUvi †bUIqvK© ˆZwii Rb¨ eZ©gv‡b wewfbœ ai‡bi K¨vej ev wgwWqv ˆZwi n‡”Q| eûjfv‡e e¨eüZ n‡”Q Ggb K‡qK ai‡bi K¨vej Ges wgwWqv GLv‡b Gevi Av‡jvPbv Kiv n‡”Q| (K) UzB‡÷W †cq¨vi K¨vej (Twisted Pair Cable) t `v‡g m¯Ív A_P AZ¨šÍ Kvh©Kifv‡e e¨vcK wfwˇZ e¨eüZ n‡”Q Ggb GKwU K¨vej n‡”Q UzB‡÷W †cq¨vi K¨vej| UzB‡÷W †cqvi K¨vej Avevi `yÔcÖKvi| h_v-(1) AveiYnxb UzB‡÷W wcqvi ev BDwUwc (UTP-Unshielded Twisted Pair) Ges (2) AveiYhy³ UzB‡÷W wcqvi ev GmwUwc (STP-Shielded Twisted Pair)|  evD‡ÛW wgwWqv ej‡Z wdwRK¨vj †bUIqvK© K¨vewjs †hgb Kcvi Ges dvBevi‡K †evSv‡bv n‡q _v‡K| GLv‡b wdwRK¨vj ej‡Z hv aiv †Quvqv hvq ev ¯úk© Kiv hvq Ggb †Kvb wKQy‡K wb‡`©k Kiv n‡”Q| Aciw`‡K AvbevD‡ÛW wgwWqv n‡”Q Ggb wgwWqv hv aiv †Quvqv ev ¯úk© Kiv hvq bv †hgb gvB‡µvI‡qf, Iq¨vi‡jm, Bbd«v‡iW †bUIqvK© wj¼ BZ¨vw`|  IGmAvB ev I‡cb wm‡÷gm B›UviKv‡b± Gi cÖ_g ¯—i ev wdwRK¨vj †jqv‡i †bUIqvK© wgwWqv, Kv‡b±i, B‡jKwUªK¨vj wmMb¨vj KvR K‡i| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 35.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  35 wmMb¨vj UªvÝwgU Kivi Rb¨ UzB‡÷W †cq¨vi K¨ve‡j GKvwaK †Rvov UzB‡÷W ev †gvov‡bv Kcvi Zvi e¨envi Kiv nq| Kcvi Zvi †gvov‡bvi Rb¨ µmU‡Ki (Crosstalk) cwigvY K‡g hvq| KviY G c×wZ‡Z Zvi †_‡K wewKwiZ (Radiated) ms‡KZ G‡K Aci‡K wbw®Œq K‡i †d‡j| wPÎ - Twisted †cqvi K¨vej †hvMv‡hvM K¨vej wn‡m‡e UzB‡÷W †cq¨vi K¨vej e¨vcKfv‡e e¨eüZ nq| †`Lv †M‡Q j¨v‡bi Rb¨ e¨eüZ Kcvi Zvi K¨ve‡ji g‡a¨ GwU me©vwaK RbwcÖq WvUv KwgDwb‡Kkb gva¨g| `v‡g UzB‡÷W †cq¨vi K¨vej LyeB m¯Ív Ges GwU wm‡÷‡g Bb÷j KivI mnR| WvUv KwgDwb‡Kk‡bi cvkvcvwk Avcwb G ai‡bi K¨vej f‡qm/†Uwj‡dvb UªvÝwgk‡bi Rb¨ e¨envi Ki‡Z cv‡ib| (1) BDwUwc (UTP) K¨vej t A‡bK AvaywbK †bUIqvK© †Uwj‡dv‡bi Rb¨ e¨eüZ K¨vej w`‡q ˆZwi n‡”Q| eûj e¨eüZ GB †Uwj‡dvb K¨vej‡K ejv nq BDwUwc| BDwUwc K¨vej g~jZ GKvwaK †Rvov UzB‡÷W †cq¨v‡ii mgwó hv Avevi cøvw÷K Avei‡Y †gvov‡bv _v‡K| bvg †_‡KB †evSv hv‡”Q BDwUwc K¨ve‡ji Dc‡i †Kvb †gUvj w¯Œb †bB| ïay GKwU Bbmy¨‡jU‡ii g‡a¨ K¨vej †cq¨vi¸‡jv Av”Qvw`Z _v‡K| wb‡Pi Qwe‡Z GKwU BDwUwc K¨vej †`Lv‡bv n‡jv hv‡Z †gvU 4 †Rvov UzB‡÷W Zvi i‡q‡Q| wPÎ : BDwUwc K¨vej| eZ©gv‡b evRv‡i †hmKj BDwUwc K¨vej cvIqv hv‡”Q Zv h‡_ó DbœZgv‡bi| wewKwiZ kã (Radiated Noise) Ges B‡jK‡Uªvg¨vM‡bwUK B›Uvi‡d‡iÝ (Electromagnetic Interference) Øviv BDwUwc K¨ve‡j wmMb¨vj A‡cÿvK…Z Kg euvavMÖ¯Í nq| BDwUwcÕi GB Dbœqb N‡U‡Q AvaywbK cÖhyw³ e¨env‡ii  µmUK n‡”Q `y‡Uv B‡jKwUªK¨vj wmMb¨v‡ji g‡a¨ AbvKvw•LZ B›UviG¨vKkb ev wgkªb| w w w .fb.com /tanbir.cox
  • 36. 36  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  gva¨‡g | GLb Ggb wKQy K¨vUvMwi‡Z BDwUwc K¨vej cvIqv hv‡”Q hvi WvUv UªvÝwgkb MwZ m‡eŸ©vP 100 GgwewcGm| BDwUwc K¨ve‡ji Avevi wewfbœ †MÖW Av‡Q, hv K¨vUvMwi bv‡g AwaK cwiwPZ| †Kvb BDwUwc K¨ve‡ji K¨vUvMwi ej‡Z eySvq GwU †bUIqv‡K© m‡e©v”P KZ MwZi WvUv UªvÝwgkb mv‡cvU© Ki‡Z cv‡i| ms‡ÿ‡c G‡K CAT bv‡g AwfwnZ Kiv nq| D`vniY¯^iƒc K¨vUvMwi 5 K¨vej CAT 5 wn‡m‡e cwiwPZ| GKUz jÿ¨ Ki‡jB Avcwb K¨ve‡ji Mv‡qB GB CAT 5 †jLvwU †`L‡Z cv‡eb| BDwUwc K¨ve‡ji QqwU K¨vUvMwi weeiY GLv‡b †`qv n‡jvÑ K¨vUvMw i eY©bv Ges e¨envi (K) 1 Ges 2 GwU g~jZt GbvjM †Uwj‡dv‡b f‡qm wmMb¨vj Ges Gjvg© wm‡÷‡gi Rb¨ e¨envi Kiv nq| Gi WvUv UªvÝwgkb MwZ LyeB Kg| (L) 3 GB K¨vUvMwii PviwU †Rvov UzB‡÷W K¨vej _v‡K Ges cÖwZ dzU K¨ve‡j wZbwU fuvR _v‡K| WvUv UªvÝwgk‡bi m‡eŸ©vP MwZ 10 GgwewcGm| GwU e¨eüZ nq 10BaseT B_vi‡bU †bUIqv‡K©| (M) 4 G‡ZI Pvi †Rvov UzB‡÷W K¨vej _v‡K| WvUv UªvÝwgk‡bi m‡eŸ©vP MwZ 16 GgwewcGm| †Uv‡Kb wis †bUIqvK© Qvov GB K¨vUvMwii BDwUwc K¨vej Lye †ewk GKUv e¨eüZ nq bv| (N) 5 UzB‡÷W wcqv‡ii msL¨v G‡ZI 4| WvUv UªvÝwgkb nvi m‡eŸvP© 100 GgwewcGm| GB K¨vUvMwii K¨vej †bUIqv‡K© eZ©gv‡b eûjfv‡e e¨eüZ n‡”Q| GwU e¨eüZ nq 100BaseTX Ges 1000BaseT B_vi‡bU †bUIqv‡K©| (O) 6 BDwUwc K¨ve‡ji g‡a¨ GB K¨vUvMwii WvUv UªvÝwgkb MwZ me‡P‡q †ewk A_©vr 155 GgwewcGm| B_vi‡bU †bUIqvK© ÷¨vÛv‡W©i mv‡_ eZ©gv‡b †Kv-G· K¨ve‡ji †P‡q CAT 3, CAT 5, CAT 6 BDwUwc K¨vej AwaK †ewk e¨eüZ n‡”Q| Zvi KviY G K¨vej¸‡jv eZ©gv‡b e¨envi‡hvM¨ mKj WvUv UªvÝwgkb MwZ Ges ÷¨vÛvW© mv‡cvU© Ki‡Q Ges A`~i Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 37.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  37 fwel¨‡Z †h mKj D”P UªvÝwgkb MwZ I ÷¨vÛvW© Avm‡Q †m¸‡jvI mv‡cvU© Ki‡e | Z‡e GKB †bUIqv‡K© wewfbœ †mM‡g‡›U e¨eüZ wfbœ wfbœ K¨vUvMwii (†hgb CAT 3 Ges CAT 5) Iqvj m‡KU mgm¨vi m„wó Ki‡Z cv‡i| G Kvi‡Y cy‡iv †bUIqv‡K©B Awfbœ K¨vUvMwii BDwUwc K¨vej e¨envi Kiv †kªq| BDwUwc K¨vej e¨env‡ii GKwU Amyweav Av‡Q| G ai‡bi K¨ve‡ji ga¨ w`‡q hLb wmMb¨vj AwZµg Ki‡Z _v‡K ZLb Gi kw³ ev gvb µgvš^‡q †jvc †c‡Z _v‡K, G‡K ejv nq GwUwbD‡qmb (Attenuation)| GwUwbD‡qm‡bi wel‡q ciewZ©‡Z Av‡iv wKQyUv Av‡jvKcvZ Kiv n‡e| (2) GmwUwc (STP) K¨vejt GmwUwc Ges BDwUwc K¨ve‡ji g‡a¨ GKgvÎ cv_©K¨ n‡”Q GmwUwc K¨ve‡ji evB‡i R¨v‡KU ev †Kwms (Casing) Ges Zv‡ii g‡a¨ GKwU wkì (Shield) ev k³ AveiY _v‡K| GB AveiYwU mvaviYZt G¨vjywgwbqvg ev cwj÷vi Øviv ˆZwi, hv GmwUwc K¨vej‡K B‡jK†Uªvg¨vM‡bwUK B›Uvi‡d‡i‡Ýi nvZ †_‡K iÿv K‡i| Z‡e BDwUwc K¨ve‡ji †P‡q GmwUwc K¨vej †h wmMb¨vj G¨vwUwbDm‡bi w`‡K †_‡K AwaK wbivc` †miKg †Kvb M¨vivw›U †bB| †Kvb †Kvb AvBweGg †bUIqvwK©s-Gi Rb¨ c~e©kZ© _v‡K GmwUwc K¨vej e¨env‡ii|  ev¯—e †bUIqvwK©s Gi †¶‡Î BDwUwc K¨vej Avi‡R-45 Kv‡bKUi e¨envi K‡i _v‡K| Z‡e BDwUwc †bUIqv‡K©i mv‡_ Avi‡R-11 Kv‡bKUi e¨envi Kiv m¤¢e| hw`I Zv mvaviYZ: Kiv nq bv| w w w .fb.com /tanbir.cox
  • 38. 38  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : GmwUwc K¨vej | (L) †Kv-Gw·qvj (Co-axial) K¨vej t †Kv-Gw·qvj K¨vej Ggb GK ai‡bi K¨vewjs wm‡÷g hv Gw›Ubv †_‡K wmMb¨vj Avcbvi wmMb¨vj †Uwjwfkb, †iwWI Ges Kw¤úDUv‡i wb‡q Av‡m| B_vi‡bU †bUIqvwKs ÷¨vÛvW© Pvjy nevi ci †_‡K †mB 1973 mvj †_‡KB †Kv-Gw·qvj K¨vej †ek `ÿZvi mv‡_B e¨eüZ n‡q Avm‡Q| eZ©gv‡b GB RbwcÖq †bUIqvK© wgwWqvwU wewfbœ di‡g †bUIqvK© K¨vej wn‡m‡e e¨eüZ n‡”Q| †Kv-Gw·qvj K¨vej (Co-axial Cable) †Kv-G· (Coax) bv‡gI cwiwPZ| †Kv-Gw·qvj K¨ve‡ji `yÔwU mycwievnx ev KÛv±vi (Conductor) ¯Íi GKwU Awfbœ Gw·m (Axis) †kqvi K‡i _v‡K| G Rb¨ Gi bvgKiY Kiv n‡q‡Q †Kv-Gw·qvj K¨vej| †Kv -G· K¨ve‡ji †K›`ª w`‡q AwZµg K‡i GKwU mwjW (Solid) Kcvi Zvi| GB Zvi‡K wN‡i Rov‡bv _v‡K cøvw÷K †dv‡gi Bbmy¨‡jkb (Insulation)| Bbm¨y‡jkb ¯Í‡ii Dc‡i _v‡K GKwU †gUvj w¯Œb ev wkì hv Kcvi †gm ev cøvw÷K w`‡q ˆZwi| G me¸‡jvi Dc‡i _v‡K me©¯Íi ¯ÍiwU hv R¨v‡KU (Jacket) bv‡g cwiwPZ| R¨v‡KUwU cy‡iv K¨ve‡ji Rb¨ Bbmy¨‡jUi wn‡m‡e KvR K‡i| †gUvj w¯Œb ¯ÍiwU WvUvÕi myiÿv cÖ`vb K‡i| GB ¯Í‡ii Rb¨B WvUv evB‡ii wmMb¨vj †hgb †iwWI I‡qe, D”P ÿgZvi we`y¨r K¨vej, †gvevBj †dvb, B‡jKwUªK †gvUi, †d¬v‡i‡mÝ evwZ, ˆe`y¨wZK So (hv B‡jKUªg¨vM‡bwUK B›Uvi‡d‡iÝ ev EMI wn‡m‡e we‡ewPZ )ÑcÖfvegy³ _v‡K| GB w¯ŒbwU g~j WvUv wmMb¨vj‡K †K›`ªxq Zvi †_‡K †iwW‡qkb nIqv †_‡K weiZ iv‡L| BDwUwc ev GmwUwc K¨ve‡ji Zzjbvq †Kv-G· K¨ve‡j wmMb¨vj GwUwbD‡qm‡bi cwigvY Kg| †Kv-Gw·qvj K¨vej Avevi `yÔcÖKvi| w_b‡bU (Thinnet) Ges w_K‡bU (Thicknet)| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 39.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  39 wPÎ : †Kv-Gw·qvj K¨vej | evRv‡i wewfbœ cÖKv‡ii †Kv-G· K¨vej cvIqv hv‡”Q| G¸‡jv n‡”QÑ AvKvi eY©bv K ) 50 Ing, AviwR-8 Ges AviwR -11 GwU w_K‡bU B_vi‡bU ev 10†eR 5-G e¨eüZ nq| L) 50 Ing, AviwR- 58 w_b‡bU B_vi‡bU ev 10†eR 2 -G e¨eüZ nq| M) 75 Ing, AviwR-59 K¨vej wUwfÔi Rb¨ e¨eüZ nq| N) 93-Ing, AviwR-62 AvK©‡b‡U (ARCnet) e¨eüZ nq| B_vi‡bU †bUIqvK© ÷¨vÛvW©- Gi Rb¨ we‡kl ai‡bi †Kv-G· K¨vej ˆZwi Kiv n‡q‡Q| wKš‘ †ek K‡qK ai‡bi †iwWI K¨ve‡ji g‡a¨ GKB ˆewkó¨ †`Lv hvq Ges G ai‡bi K¨vej‡K ejv nq †iwWI †MÖW ev Avi‡R (Radio Grade- RG) K¨vej hv B_vi‡bU †bUIqvK© ÷¨vÛvW©-Gi mv‡_ mswkøó| B_vi‡b‡Ui evB‡iI Avi‡R †Kv-G· K¨vej AvK©‡bU †bUIqvK© cÖhyw³i (hv GLb Avi Lye †ewk GKUv cÖPwjZ †bB) Rb¨ e¨eüZ nq| †Kvb †Kv-G· K¨ve‡ji Bgwc‡WÝ (Impedence) ej‡Z wPÎ : Kv‡bKUimn †Kv-Aw·qvj K¨vej| w w w .fb.com /tanbir.cox
  • 40. 40  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †evSvq H K¨vej Zvi ga¨ w`‡q cÖevwnZ WvUv-†K †m KZUzKz evav †`q| K¨ve‡ji Bgwc‡WÝ Ing w`‡q gvcv nq| w_b B_vi‡bU Ges AvK©‡bU Df‡qB weGbwm (BNC-British Naval Connector) Kv‡bKUi e¨envi K‡i _v‡K| †bUIqvK© wWfvBmmg~n w_K B_vi‡bU †Kv-G·ÕGi mv‡_ mshy³ _v‡K GKwU G¨vWvÞvi e‡·i gva¨‡g| G GWvÞvi e·wU‡K ejv nq UªvÝwmfvi (Transceiver)| wPÎ : WªcK¨vejmn GKwU UªvÝwmfvi| (M) dvBevi AcwUK (Fiber Optic) K¨vej t dvBevi AcwUK K¨ve‡ji me‡P‡q eo ˆewkó¨ n‡jv GwU B‡jKwUªK¨vj wmMb¨v‡ji cwie‡Z© Av‡jvK ev jvBU wmMb¨vj UªvÝwgU K‡i| GKwU AcwUK¨vj dvBevi wZbwU Dcv`vb wb‡q MwVZ| (1) dvBevi (2) K¬¨vwWs Ges (3) Bbmy¨‡jwUs R¨v‡KU| Av‡jvK wmMb¨vj mÂvj‡bi cÖavb KvRwU K‡i dvBev‡ii Af¨šÍ‡ii Møvm ev cøvw÷K †Kvi (Plastic Core)| †Kv‡ii wVK evB‡ii ¯ÍiwU n‡”Q Kv‡Pi ˆZwi hv †Kvi †_‡K wbM©Z Av‡jvKiwk¥ cÖwZdwjZ (Reflected) K‡i Zv cyYivq †Kv‡i †diZ cvVvq| GB ¯ÍiwU K¨¬vwWs (Cladding) bv‡gI cwiwPZ | cÖwZwU ¯^Zš¿¨ dvBevi Avevi cøvw÷K w`‡q †gvov‡bv _v‡K| G AveiYwU k³ ev nvjKv †h‡Kvb iK‡gi n‡Z cv‡i| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 41.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  41 wPÎ : dvBevi AcwUK K¨ve‡ji MVb AcwUK¨vj dvBev‡ii ga¨ w`‡q WvUv Bbd«v‡iW A_ev †jRvi jvBU AvKv‡i †cÖiY Kiv nq| Z‡e wmMb¨v‡ji aib wbf©i Ki‡Q e¨eüZ wm‡÷g Ges †bUIqv‡K©i m‡e©v”P `~i‡Z¡i Dci| Bbd«v‡iW LED (Light Emitting Diode) wm‡÷g wgwWqv wn‡m‡e e¨envi K‡i gvwë‡gvW (Multimode) dvBevi, Ab¨w`‡K †jRvi Wv‡qvW †eRW wm‡÷g e¨envi K‡i wm‡½j †gvW (Monomode) K¨vej| †k‡lv³ †gvWwU g~jZt j¤^v `~i‡Z¡ D”P MwZ‡Z WvUv †cÖiY Ges †UwjKg wj¼-Gi Rb¨ e¨eüZ nq| gvwë‡gvW UªvÝwgk‡b K¨ve‡ji ga¨ w`‡q GK m‡½ GKvwaK wmMb¨vj wfbœ wfbœ †KvY-G (Angle) A_v©r wfbœ c‡_ Pj‡Z cv‡i| Gi d‡j wiwmwfs cÖv‡šÍ wfbœ wfbœ †Kv‡Y AvcwZZ wmMb¨vj wfbœ wfbœ mg‡qB †cuŠQ‡e| G Kvi‡Y gvwë‡gvW UªvÝwgk‡b wmMb¨vj ev jvBU cvjm mgq AwZµ‡gi mv‡_ mv‡_ cw_g‡a¨ we¯Z…Z (Spread out) n‡q hvq, d‡j wiwmwfs cÖv‡šÍ cÖvß wbf©yj WvUvi nvi K‡g Av‡m| G ai‡bi dvBevi ¯^í `~i‡Z¡i †bUIqv‡K© AwaK Dc‡hvMx| K¨vej Kv‡bKUim (Cable Connectors) t †bUIqvK© KvW© Ges K¨ve‡ji ga¨eZx© ÿz`ª wWfvBmwU n‡”Q K¨vej Kv‡b±i| A_©vr GwU †bUIqv‡K©i K¨vej Ges GbAvBwm‡K mshy³ K‡i _v‡K| K¨vej Kv‡b±‡ii g‡a¨ D‡jøL‡hvM¨ n‡”Q †Kv- Gw·qvj K¨vej, 10†eR wU, B_vi‡bU BZ¨vw`| G‡`i g‡a¨ 10†eR wU w w w .fb.com /tanbir.cox
  • 42. 42  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  Kv‡bKUi Zzjbvg~jKfv‡e A‡bK †ewk `ªæZ, wek¦¯Í Ges e¨vcKfv‡e e¨eüZ n‡”Q| 10 †eR wU Kv‡bKUi †`L‡Z A‡bKUv †Uwj‡dvb Zv‡ii g‡ZvB| †Kvb †Kvb †bUIqvK© KvW© GKvwaK ai‡bi Kv‡bKUi mv‡cvU© K‡i _v‡K, †mfv‡eB G‡Z GKvwaK †cv‡U©i e¨e¯’v i‡q‡Q| G ai‡bi KvW©‡K ejv nq K‡¤^v KvW© (Combo Card)| m¤cÖwZ mg‡q B_vi‡bU (Ethernet) cÖhyw³ †bUIqvwK©s-Gi RM‡Z e¨vcK RbwcÖqZv †c‡q‡Q, ej‡Z †M‡j GLb B_vi‡bU GKwU †Wvwg‡bwUs cÖhyw³| †m Kvi‡Y Avcbvi Kw¤úDUv‡ii †bUIqvK© KvW©wU hw` K‡¤^v UvB‡ci nq Zvn‡j G‡K Avc‡MÖW K‡i B_vi‡bU cÖhyw³ e¨envi Dc‡hvMx Kiv m¤¢e n‡e| wPÎ : GKwU weGbwm wU Kv‡bKUi| †bUIqv‡K© mvaviYZt wb‡æv³ wZb ai‡bi Kv‡bKUi e¨eüZ nq| G¸‡jv n‡”QÑ Kv‡bKU‡ii aib eY©bv K) Avi‡R- 45 (1RJ- 45) †bUIqvK© B›Uvi‡dm KvW© ev wbKÕGi mv‡_ BDwUwc K¨ve‡ji ms‡hvM cÖ`v‡b GwU e¨eüZ nq| GB Kv‡bKU‡ii †gvU 8wU KbUv± wcb _v‡K| GB 8wU wcb wewfbœ †bUIqvK© ÷¨vÛvW©-Gi Rb¨ wfbœ wfbœ web¨v‡m (Combination) e¨envi Kiv nq| L) AviwR-58 GwU †Kv-Gw·qvj weGbwm (BNC) Kv‡bKUi bv‡g cwiwPZ| G ai‡bi Kv‡bKUi w_b‡bU ev 10†eR 2 K¨ve‡j ms‡hv‡Mi Rb¨ e¨eüZ nq| wPÎ 3. | 1 RJ-Registered Jack Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 43.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  43 M) GBDAvB (AUI- Attachment User Connector) GwU 15 wcb wewkó Kv‡bKUi hv GBDAvB Wªc K¨ve‡j ms‡hvM cÖ`v‡b e¨eüZ nq| wPÎ : RJ-45 Kv‡bKUi| wb‡Pi †Uwe‡j wewfbœ Kv‡bKUi I Gi K¨ve‡ji In‡gR ev †iva Ges †bUIqv‡K© WvUv enb Kivi `~iZ¡ Zz‡j aiv n‡jv t Kv‡bKUi K¨ve‡ji aib 2 In‡gR `~iZ¡ K) Avi‡R-58 w_b‡bU (10 †eR2) 50 Ing 185 wgUvi ev 610 dzU L) Avi‡R-4 ev 11 w_K‡bU (10 †eR 5) 50 Ing 500 wgUvi ev 1650 dzU M) Avi‡R-62 BD AvK©‡bU †bUIqv‡K©i †Kv-Gw·qvj K¨vej 93 Ing 6060.6 wgUvi ev 20,000 dzU A‡bK †bUIqvwK©s ÷¨vÛvW© BDwUwc K¨ve‡ji gvÎ 2 †Rvov K¨vej e¨envi K‡i _v‡K| Z‡e me‡P‡q DËg n‡”Q 4 †Rvov A_©vr 8 wU K¨vejB cÖwZwU Kv‡b±‡ii mv‡_ mshy³ Kiv| G‡Z K‡i †bUIqv‡K© Ab¨vb¨ wWfvB‡mi mv‡_ K¤ú¨vwUwewjwU (Compatibility) wbwðZ nq Ges fwel¨r ÷¨vÛvW©Õ-Gi mv‡_ Lvc LvB‡q wb‡Z cv‡i| BDwUwc †bUIqvwK©s-G 4 wc‡bi Kv‡bKUi‡K ejv nq RJ-11 Z‡e †bUIqvwK©sÕG GB KbwdMv‡ikbwU Lye GKUv RbwcÖq bq| AcwUK¨vj dvBevi Kv‡bKUim (Optical Fiber Connectors)t AcwUK¨vj dvBev‡ii ga¨ w`‡q †h‡nZz B‡jKwUªK¨vj wmMb¨v‡ji cwie‡Z© Av‡jvi AvKv‡i wmMb¨vj Av`vb cÖ`vb nq, G Kvi‡YB Gi Kv‡b±‡ii aibI GKUz wfbœ cÖK…wZi| AcwUK¨vj dvBev‡i cÖavbZt `yÕai‡bi Kv‡bKUi e¨eüZ nq| Gi GKwU n‡”Q GmwU (Gi aib n‡”Q UzB÷ Ges jK) Ges AciwU Gmwm 2 In‡gR-K¨ve‡ji †iva ev cÖevwnZ wmMb¨vj‡K euav cÖ`v‡bi ¶gZv| w w w .fb.com /tanbir.cox
  • 44. 44  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  (GwU cyk wdU cÖK…wZi)| cv‡ki Qwe‡Z GmwU Ges Gmwm dvBevi Kv‡bKUi †`Lv‡bv n‡jv| Z‡e GdwWwWAvB †bUIqvK© ÷¨vÛvW©-G GdwWwWAvB Wyc‡j· Kv‡b±i e¨eüZ nq| GmwU Kv‡b±‡ii mv‡_ weGbwm Kv‡bKU‡ii A‡bK mv`„k¨ Av‡Q| ev¯Í‡e Avcwb †h mKj dvBevi AcwU‡Ki gy‡LvgywL n‡eb Zv n‡”Q 10BaseFL A_ev 100BaseFX hv 10 ev 100 †gMvweUm cvi †m‡KÛ MwZ‡Z B_vi‡bU †bUIqv‡K© WvUv UªvÝwgU Ki‡Z cv‡i| GQvov Av‡iv Av‡Q 100 †gMvweUm cvi †m‡KÛ MwZi GdwWwWAvB ÷¨vÛvW©Õ-Gi dvBevi K¨vej, hv GKwU iæ‡gi g‡a¨ GKvwaK wm‡÷g‡K AvšÍ:mshy³ K‡i| wb‡Pi †Uwe‡j Dc‡ii ewY©Z wZb ai‡bi †gŠwjK dvBevi AcwU‡Ki eY©bv Ges MwZ †`Lv‡bv n‡jvÑ ÷¨vÛvW© eY©bv WvUv UªvÝwgkb MwZ 10BaseFL dvBevi AcwUK wfwËK B_vi‡bU cÖwZ †m‡K‡Û 10 †gMvweUm 10BaseFX dvBevi AcwUK wfwËK B_vi‡bU cÖwZ †m‡K‡Û 100 †gMvweUm FDDI dvBevi wWw÷ªweDkb WvUv B›Uvi‡dm cÖwZ †m‡K‡Û 100 †gMvweUm myBP Ges ivDUv‡ii Gi Rb¨ K¨vewjs t wmm‡Kv myBP Ges ivDUv‡ii Rb¨ `yÕai‡bi K¨vewjs e¨eenvi Kiv nq| G GKwU n‡”Q 1. Kb‡mvj †cvU© wfwËK K¨vewjs Ab¨wU 2. B_vi‡bU †cvU© wfwËK K¨vewjs| myBP‡K me© cÖ_g KbwdMvi Kivi Rb¨ Kb‡mvj †cvU© e¨envi Kiv nq| Gici KbwdMv‡ikb cwieZ©‡bi cÖ‡qvRb n‡j Avcwb B_vi‡bU †cvU© e¨envi K‡i †Uj‡bU †cÖvMÖv‡gi gva¨‡g G KvRwU Ki‡Z cv‡ib| †ivjIfvi K¨vej t D`vniY¯^iƒc GLv‡b ejv hvq, Kb‡mvj †cvU© wfwËK K¨vewjs Gi AvIZvq 1900 wmwi‡Ri myBP Gi mv‡_ ms‡hv‡Mi Rb¨ Avcwb †ivjIfvi K¨vej e¨envi Ki‡Z cv‡ib| wb‡Pi wP‡Î GKwU †ivjIfvi K¨ve‡ji bgybv †`Lv‡bv n‡jvÑ wPÎ : AcwUK¨vj dvBevi Kv‡bKUi| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 45.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  45 †ivjIfvi K¨ve‡ji Dfq cÖv‡šÍ RJ-45 Kv‡bKUi mshy³ _v‡K| GB K¨ve‡ji GK cÖvšÍ mivmwi myB‡P mshy³ Kiv _v‡K| K¨ve‡ji Ab¨ cÖvšÍ RJ-45, DB-9 ev RJ-45, DB-25 GWvÞv‡ii mv‡_ hy³ n‡e| Avcwb †Kvb GWvÞviwU e¨eniv Ki‡eb †mwU cy‡ivcywi wbf©i Ki‡Q Avcbvi Kw¤úDUv‡ii wmwiqvj †cv‡U©i Ici| mKj bZzb g‡W‡ji myBP Ges ivDUvi Kvjvi †Kv‡WW (Color Coded) Gid‡j Avcwb †ivjIfvi K¨ve‡ji Kvjv‡ii mv‡_ myBP ev ivDUv‡ii Kvjvi wgwj‡q G‡K mn‡RB mshy³ Ki‡Z cvi‡eb| GKwU †ivjIfvi K¨vej hLb Kv‡bKU‡ii gva¨‡g mshy³ nq ZLb cÖ_g Kv‡bU‡ii 1 bs wcbwU 2q Kv‡bKU‡ii 8 bs wc‡bi mv‡_ hy³ nq| GKBfv‡e 2bs wcb 7bs, 3bs wcb 6bs Ges 4bs wcb 5bs Gi mv‡_ hy³ nq| RJ-45 Kb‡mvj †cv‡U©i wcbAvDU (Pinout) wb‡Pi †Uwe‡j †`Lv‡bv n‡jvÑ wcb 1 2 3 4 5 6 7 8 wmMb¨vj - DTR TxD GND GND RxD DSR - w w w .fb.com /tanbir.cox
  • 46. 46  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  BbcyU/AvD UcyU - AvDUcyU AvDUcyU - - BbcyU BbcyU - Dc‡ii †Uwej †_‡K cÖZxqgvb wcb 6 Ges 7 BbcyU wmMb¨vj Ges wcb 2 Ges 3 AvDUcyU wmMb¨v‡ji Rb¨ e¨eüZ n‡”Q| B_vi‡bU †cvU© wfwËK K¨vewjs t B_vi‡bU †cvU© wfwËK K¨vewjs Avevi `yai‡bi| G¸‡jv n‡”Q K. †÷ªBU _ªy K¨vewjs (Straight Through Cabling) Ges L. µmIfvi K¨vewjs (Crossover Cabling)| hLb Avcwb Avcbvi ivDUvi, IqvK©‡÷kb Ges mvf©vi‡K myB‡Pi mv‡_ mshy³ Ki‡eb ZLb Avcbv‡K Aek¨B †÷ªBU _ªy K¨vej e¨envi Ki‡Z n‡e| Avi hLb Avcwb GKwU myBP‡K Ab¨vb¨ wiwcUvi ev myB‡Pi mv‡_ hy³ Ki‡eb ZLb Aek¨B µmIfvi K¨vej e¨envi Ki‡Z n‡e| wb‡P †÷ªBU _ªy K¨vej Gi Iq¨vwis WvqvMÖvg Ges Gi wcb †j- AvDU †`Lv‡bv n‡jv- †÷ªBU _ªy K¨ewjs G wcb 1, 2 Ges 3,6 †K Aek¨B UzB‡÷W †cqvi n‡Z nq| mvaviYZ: wcb 4,5,7 Ges 8 Gi e¨envi †bB| hw`I G¸‡jv‡K K¨ve‡ji mv‡_ hy³ K‡i ivLv hvq| wb‡P µmIfvi K¨ve‡ji Iq¨vwis WvqvMÖvg Ges wcb †j-AvDU †`Lv‡bv n‡jvÑ Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 47.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  47 µmIfvi K¨ve‡j wcb 1, 2 Ges 3,6 UyB‡÷W †cqvi n‡q _v‡K| 1g cÖv‡šÍi wcb 1 Ges 2 h_vµ‡g 2q cÖv‡šÍ wcb 6 Ges 3 Gimv‡_ hy³ _v‡K| GQvov 1g cÖv‡šÍi wcb 3 Ges 6 h_vµ‡g 2q cÖv‡šÍi wcb 8 Ges 7 Gi mv‡_ hy³ nq| w w w .fb.com /tanbir.cox
  • 48. 48  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †bUIqvK© †mUAvc I KbwdMv‡ikb Network Setup and Configuration †bUIqvK© †mUAvc cÖ¯‘wZ (Preparation for Network Set Up) t BwZc~‡e© Avgiv †`‡LwQ †h, GKwU †bUIqvK© n‡Z cv‡i wcqvi-Uz-wcqvi A_ev K¬v‡q›U/mvf©vi cÖK…wZi| Avgiv Gevi GKwU wUwmwc/AvBwc †bUIqvK© †mUAv‡ci wewfbœ avc wb‡q Av‡jvPbv Ki‡ev| Av‡jvP¨ D`vni‡Y Avgiv a‡i wbw”Q †bUIqvK©wU K¬v‡q›U mvf©vi cÖK…wZi| GLv‡b GKwU mvf©vi Ges Gi mv‡_ †ek K‡qKwU K¬v‡q›U ev IqvK©‡÷kb _vK‡Q| †bUIqvK© Acv‡iwUs wm‡÷g wn‡m‡e Avgiv cÖ_‡g DB‡ÛvR cøvUdg©‡KB e¨envi KiwQ| Gic‡i Aek¨ Avgiv wjbv· Acv‡iwUs wm‡÷‡gI †bUIqvK© †mUAv‡ci wewfbœ avc †`Lv‡bv n‡q‡Q| wUwmwc/AvBwc wfwËK K¬v‡q›U mvf©vi †bUIqvK© †mUAv‡ci cÖ_g ch©v‡q wdwRK¨vj wWfvBmmg~n mshy³c~e©K †mUAvc, Gici GwU KbwdMvi Ges me‡k‡l cixÿv K‡i †`Lv n‡e †bUIqvK©wU wVKg‡Zv KvR Ki‡Q wKbv †m welqwU| Aek¨ Av‡jv”¨ D`vni‡Yi †bUIqv‡K©i AvwK©‡UKPvi ev aib n‡”Q B_vi‡bU GUvI Avgiv a‡i wbw”Q| †bUIqv‡K©i cÖwZwU Kw¤úDUv‡ii wbR¯^ bvg Ges AvBwc G¨v‡Wªm _vK‡Q| †bUIqvK© †mUAv‡ci cÖ_g avc n‡”Q wdwRK¨vj †mUAvc m¤úbœ Kiv| wdwRK¨vj †mUAv‡ci mv‡_ Av‡iv †h welq¸‡jv RwoZ Zvn‡jv cÖwZwU Kw¤úDUv‡i †bUIqvK© B›Uvi‡dm KvW© ev wbK Bb÷j Kiv| m¤cÖwZ Aek¨ cÖvq cÖwZwU e¨vÛ wcwmÕi mv‡_B weë-Bb B›Uvi‡dm KvW© cvIqv hv‡”Q| eZ©gv‡b †h mg¯Í †bUIqvK© B›Uvi‡dm KvW© ˆZwi n‡”Q †m¸‡jv‡K Avcwb mdUIq¨v‡ii gva¨‡gB KbwdMvi Ki‡Z cvi‡Qb| wdwRK¨vjx G¸‡jvi Rv¤úvi (Jumper) ev wWAvBwc myBP †mU Kivi †Kvb cÖ‡qvRb nq bv| †bUIqvK© KvW© Bb÷j Kivi ci Avcwb Gevi cixÿv K‡i †`L‡eb wm‡÷g KvW©wU‡K wVKg‡Zv wPb‡Z cvi‡Q wK bv| A‡bK mgq †bUIqvK© KvW© B›UvivÞ (Interupt) G¨v‡Wªm Ges AvB/I (I/O) †ggwii mv‡_ Kbwd¬± ev ØÜ m„wó Ki‡Z cv‡i| G ai‡bi Kbwd¬‡± Rwo‡q co‡j †bUIqvK© KvW© Ab¨vb¨‡`i mv‡_ †hvMv‡hv‡Mi KvRwU Ki‡Z cvi‡e bv| wØZxq av‡c Gevi Avgiv cixÿv K‡i †`L‡ev Kw¤úDUvi wVKg‡Zv †bUIqvK© KvW© mbv³ Ki‡Z cvi‡Q wK bv Ges GwU Ab¨ †Kvb wWfvB‡mi mv‡_ Kbwd¬± m„wó Ki‡Q wK bv †m welqwU| †bUIqvK© KvW© Bb÷j Kivi ci wm‡÷g G‡K wPb‡Z cvi‡j StartSettingControl Panel †_‡K Add/Remove Hardware DBRvW©wU Avcwb e¨envi Ki‡eb| DBRvW© PjvKvjxb mg‡q †bUIqvK© Kv‡W©i mv‡_ Avmv Gi mdUIq¨vi WªvBfvi Bb÷j Kivi Rb¨ d¬wc wW¯‹ ev wmwWÕi mvnvh¨I wb‡Z n‡Z cv‡i| mdUIq¨vi Bb÷j Kivi ci Avcwb Kw¤úDUviwU‡K cybivq Pvjy Ki‡eb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 49.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  49 †bUIqvK© †mUAv‡ci Z…Zxq avc n‡”Q K¨vej Ges Uvwg©‡bUi wbe©vPb Kiv| Z‡e me ai‡bi K¨ve‡j Uvwg©‡bUi cÖ‡qvRb nq bv| †hgb aiæb UzB‡÷U wcqvi K¨vej, Gi Rb¨ †Kvb Uvwg©‡bUi Avcbv‡K e¨envi Ki‡Z n‡e bv| Av‡jvP¨ D`vni‡Y Avgiv BDwUwc (UTP) K¨vej K¨vUvMixÑ5 ev CAT-5 K¨vej e¨envi KiwQ| K¨ve‡ji †klcÖv‡šÍ _vK‡e Kv‡bKUi| GB Kv‡bKUiwU wM‡q mivmwi hy³ nq †bUIqvK© Kv‡W©i mv‡_| UzB‡÷W wcqvi K¨ve‡ji mv‡_ Avgiv e¨envi KiwQ Avi‡R-45(RJ-45) Kv‡b±i, hv †`L‡Z A‡bKUv †Uwj‡dvb Kv‡b±‡ii g‡ZvB| w_b B_vi‡b‡U e¨eüZ nq †Kv-Gw·qvj K¨vej hv †`L‡Z †Uwjwfk‡b e¨eüZ †Kv-Gw·qvj K¨ve‡ji g‡ZvB| w_b B_vi‡b‡Ui Kv‡b±i‡K ejv nq wU (T) Kv‡b±i| †Kv-Gw·qvj K¨vej T Gi `yB cÖv‡šÍ hy³ nq Ges T -Gi Aci cÖvšÍwU mshy³ _v‡K †bUIqvK© Kv‡W©i mv‡_| Gfv‡e mshy³ K¨ve‡ji me©‡kl `yÕcÖv‡šÍi `y‡Uv Kw¤úDUv‡i T Gi Rb¨ Uvwg©‡bwUs †iwR÷vi jvMv‡bv nq T Gi Ask wn‡m‡eB| †bUIqvK© K¨vej mg¯Í IqvK©‡÷kb Ges mvf©v‡ii †bUIqvK© Kv‡W©i mv‡_ mshy³ n‡q GKwU †bUIqvK© U‡cvjwR m„wó Ki‡e| wdwRK¨vj †bUIqvK© †mUAvc wVK Av‡Q wKbv †mwU cixÿvi Rb¨ Kgc‡ÿ `y‡Uv Kw¤úDUv‡ii †gŠwjK mdUIq¨vi _vK‡Z n‡e Ges G¸‡jv h_vh_fv‡e KbwdMvi K‡i wb‡Z n‡e| GRb¨ †bUIqvK©fy³ me¸‡jv Kw¤úDUvi GKms‡M Pvjy bv Ki‡jI Pj‡e| cixÿv K‡i hw` †`Lv hvq `y‡Uv Kw¤úDUvi wb‡R‡`i g‡a¨ †hvMv‡hvM Ki‡Z cvi‡Q bv ev †hvMv‡hvM ¯’vc‡b mgm¨v n‡”Q, Zvn‡j †bUIqvK© Uªvejm¨ywUs GLvb †_‡KB Avcbv‡K ïiæ Ki‡Z n‡e| wUwmwc/AvBwc KbwdMv‡ikb (TCP/IP Configuration) t wUwmwc/AvBwc †bUIqvK© †mUAv‡ci G ch©v‡q Avgiv GLb wUwmwc/AvBwc mdUIq¨vi KbwdMvi Ki‡ev| g~jZ: mKj Acv‡iwUs wm‡÷‡gB (†hgb DB‡ÛvR, BDwb·, wjbv·, g¨vwK‡›Uvm) wUwmwc/AvBwc KbwdMvi Kivi c×wZ cÖvq GKB iK‡gi| AwaKvsk Acv‡iwUs wm‡÷‡g wUwmwc/AvBwc mdUIq¨vi c¨v‡KR wewfbœ ai‡bi BDwUwjwU myweav cÖ`vb K‡i| Gi g‡a¨ _vK‡Z cv‡i †gby¨ WªvB‡fb w¯ŒÞ hv Avcbv Avcwb wUwmwc/AvBwc Gwcø‡Kkb Bb÷‡jkb cÖwµqv m¤úbœ K‡i| Z‡e BDwb‡·i g‡Zv KwZcq Acv‡iwUs wm‡÷‡g Avcbv‡K g¨vbyqvjx †U·U GwWU‡ii mvnv‡h¨ wUwmwc/AvBwc Bb÷j Ges Zv KbwdMvi Ki‡Z n‡e| wUwmwc/AvBwc mwVKfv‡e KbwdMvi cÖwµqv ïiæ Kivi c~‡e© Avcbv‡K KZK¸‡jv Z_¨ †R‡b wb‡Z n‡e| †bUIqv‡K© cÖwZwU Kw¤úDUv‡ii Rb¨ Avcbv‡K †h mKj Z_¨ Rvb‡Z n‡e Zv wbæiƒcÑ K) †Wv‡gBb †bg (Domain Name) t GwU cy‡iv †bUIqv‡K©i cÖK…wZ ev ‰ewkó¨ wb‡`©k K‡i Ggb GKwU bvg hv †bUIqvK©fy³ Kw¤úDUvi¸‡jv e¨envi Ki‡e| L) wm‡÷g ev Kw¤úDUvi †bg (System or Computer Name) t †bUIqv‡K© cÖwZwU †jvKvj †gwk‡bi ¯^Zš¿¨ bvg GwU| M) AvBwc G¨v‡Wªm (IP Address) t cÖwZwU Kw¤úDUv‡ii c~Y© G¨v‡Wªm| w w w .fb.com /tanbir.cox
  • 50. 50  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  N) WªvBfvi UvBc (Driver Type) t †bUIqv‡K©i cÖwZwU B›Uvi‡dm Avewk¨Kfv‡e GKwU wWfvBm WªvBfv‡ii mv‡_ mswkøó _v‡K, hv Acv‡iwUs wm‡÷g‡K wb‡`©kbv cÖ`vb K‡i wKfv‡e †m wWfvBmmg~‡ni mv‡_ KwgDwb‡KU Ki‡e| O) eªWKv÷ G¨v‡Wªm (Broadcast Address)t †bUIqvK© we¯Z…Z WvUv eªWKvw÷s Gi Rb¨ GB G¨v‡Wªm e¨eüZ nq| P) †bUgv¯‹ (Netmask) t †bUIqvK© gv¯‹ cÖwZwU †jvKvj †bUIqvK©‡K Avjv`v Avjv`vfv‡e wPwýZ K‡i _v‡K| Q) †bUIqvK© KvW© KbwdMv‡ikb Bbdi‡gkb (Network Card Configuration Information)t GwU cÖwZwU †bUIqvK© Kv‡W©i B›UvivÞ †f±i (Interrupt Vector) ev bv¤^vi Ges †ggwi G¨v‡Wªm wb‡`©k K‡i _v‡K| †jvKvj †bUIqv‡K©i evB‡i hw` Avcwb Ab¨ †bUIqvK© ev Kw¤úDUv‡ii mv‡_ †bUIqvK©‡K hy³ Ki‡Z Pvb, Zvn‡j †m‡ÿ‡Î wm‡÷g †Wv‡gBb †b‡gi cÖ‡qvRb n‡e| GB bvgwU Avcbvi cy‡iv cÖwZôvb ev †Kv¤úvwb‡K Dc¯’vcb Ki‡e| †Kvb Kw¤úDUv‡ii cy‡iv AvBwc G¨v‡Wª‡mi cwie‡Z© H Kw¤úDUv‡ii bvg e¨envi Kiv n‡Z cv‡i WvUv Av`vb-cÖ`v‡bi Rb¨| †jvKvj †bUIqv‡K©i g‡a¨ cÖ‡Z¨K Kw¤úDUv‡ii Avjv`v Avjv`v bvg _vK‡Z n‡e| Z‡e GKB bv‡g wfbœ wfbœ †bUIqv‡K©i GKvwaK Kw¤úDUvi _vK‡Z cv‡i| wKš‘ †bUIqvK© gv¯‹ wfbœ nevi Kvi‡Y mwVK Kw¤úDUv‡i WvUv/g¨v‡mR †cuŠQ‡Z †Kvb mgm¨v nq bv| DB‡ÛvR Acv‡iwUs wm‡÷‡g wUwmwc/AvBwc wfwËK †bUIqvK© KbwdMv‡ik‡bi wewfbœ avc t wPÎ : †bUIqvK© Gc‡j‡U Local Area Network AvBKb| 01| DB‡ÛvR 2000 Acv‡iwUs wm‡÷‡g †bUIqvK© KvW© Bb÷j bv Kiv ch©šÍ Avcwb †W·U‡c Aew¯’Z Network and Dial-Up Connection AvBK‡bi Aax‡b Local Area Connection kxl©K AvBKbwU †`L‡Z cv‡eb bv| wm‡÷‡g hZ¸wj †bUIqvK© KvW© Avcwb ¯’vcb Ki‡eb wVK ZZ¸‡jv Local Area Connection AvBKb †`Lv hv‡e GLv‡b ( wPÎ )| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 51.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  51 wPÎ : Local Area Network AvBKb-Gi †cÖvcvwU©R DB‡Ûv| 02| Gevi Local Area Connection AvBK‡bi Dci gvD‡mi Wvb wK¬K K‡i cc-Avc †gby¨ †_‡K Properties KgvÛ evUb wm‡j± Ki‡j GKwU DB‡Ûv cIqv hv‡e| Connect Using †U·U e‡· Kw¤úDUv‡i Bb÷jK…Z †bUIqvK© Kv‡W©i bvg †`L‡Z cv‡eb| †bUIqvK© Kv‡W©i wewfbœ †cÖvcvwU©R †mU Ki‡Z PvB‡j Configure evU‡b wK¬K Kiæb| wPÎ : †bUIqvK© KvW© KbwdMvi Kivi DB‡Ûv| w w w .fb.com /tanbir.cox
  • 52. 52  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  03| hw` †bUIqvK© KvW©wU wm‡÷‡gi mv‡_ wVKg‡Zv KvR K‡i Zvn‡j Device Status-G Avcwb The ddevice is working properly †jLvwU †`L‡Z cv‡eb| †bUIqvK© KvW©wU wVKg‡Zv KvR bv Ki‡j Troubleshooter evU‡b wK¬K Kiæb| GB DB‡Ûv‡Z Avcwb Kv‡W©i aib, Gi wbg©vZv Ges Kw¤úDUv‡ii †Kvb ¯ø‡U KvW©wU emv‡bv n‡q‡Q Zv †`L‡Z cv‡eb| wPÎ : GB DB‡Ûv †_‡K Avcwb †bUIqvK© Kv‡W©i WªvBfvi Avc‡WU ev AvbBb÷j Ki‡Z cv‡ib| 04| †bUIqvK© Kv‡W©i †cÖvcvwU©R DB‡Ûvi Driver U¨v‡e wK¬K Ki‡j †h DB‡Ûv cv‡eb †mwU Qwe‡Z †`Lv‡bv n‡jv| †bUIqvK© Kv‡W©i WªvBfviwU Avc‡WU ev AvbBb÷j Kivi Ackb GLv‡b cv‡eb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 53.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  53 wPÎ : †bUIqv‡K©i wi‡mvm© †mwUs Ackbmg~n| 05| †bUIqvK© KvW© wm‡÷‡gi †Kvb AvBAviwKD (IRQ-Interrupt Request) bv¤^vi, †ggwi †iÄ e¨envi Ki‡Q wK bv wKsev GwU Ab¨ †Kvb wWfvB‡mi mv‡_ Kbwd¬± (Conflict) Ki‡Q wKbv Zv †`L‡Z PvB‡j Resource U¨v‡e wK¬K Kiæb| Av‡jvP¨ D`vni‡Y †bUIqvK© KvW©wU AvBAviwKD 9 e¨envi Ki‡Q Ges Conflict device list e‡· †`Lv hv‡”Q GwU †Kvb wWfvB‡mi mv‡_ Kbwd¬± Ki‡Q bv| wPÎ : ÷¨vUvm ev‡i †bUIqvK© AvBKb cÖ`k©‡bi Ackb †mwUs| 06| †bUIqvK© ms‡hv‡Mi Rb¨ †h mKj Dcv`vb e¨eüZ n‡q‡Q Zvi GKwU ZvwjKv GLv‡b Avcwb †`L‡Z cv‡eb| GB DB‡Ûvi Show icon in task bar when connected AckbwU‡Z wK¬K K‡i w`‡j Avcwb ÷¨vUvm ev‡i †bUIqvK© AvBKb †`L‡Z cv‡eb| †bUIqv‡K© bZzb †Kvb K‡¤úv‡b›U †hvM Ki‡Z PvB‡j Install evU‡b wK¬K Kiæb| w w w .fb.com /tanbir.cox
  • 54. 54  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : †bUIqvK© K‡¤úv‡b›U †hvM Kivi wewfbœ Ackb| 07| †bUIqv‡K© †h K‡¤úv‡b›UwU Avcwb Bb÷j Ki‡eb †mwU wm‡j± K‡i OK evU‡b wK¬K Kiæb| G‡ÿ‡Î Protocol K‡¤úv‡b›U wm‡j± Kiv n‡q‡Q| wPÎ : †bUIqvK© †cÖv‡UvKj Bb÷j Kivi DB‡Ûv| 08| Select Network Protocol DB‡Ûv‡Z Avcwb Kvw•ÿZ †cÖv‡UvKjwU wm‡j± K‡i †mwU Bb÷j Kivi Rb¨ OK evU‡b wK¬K Kiæb| ZvwjKv‡Z Kvw•ÿZ †cÖv‡UvK‡ji bvg bv _vK‡j Have Disk evU‡b wK¬K K‡i d¬wc wW¯‹ ev wmwW †_‡K Avcwb mn‡RB evB‡ii †Kvb †cÖv‡UvKj Bb÷j K‡i wb‡Z cv‡ib| wPÎ : †bUIqvK© K¬v‡q›U wn‡m‡e †bUIq¨vi †hvM Kiv n‡”Q| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 55.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  55 09| †cÖv‡UvK‡ji g‡ZvB Avcwb Client Ack‡b wK¬K K‡i Select Network Client DB‡Ûv †_‡K Kvw•ÿZ K¬v‡q›UwU‡K †bUIqv‡K© †hvM K‡i wb‡Z cv‡ib| wPÎ : j¨vb ms‡hv‡Mi ÷¨vUvm A_©vr KZK¸‡jv c¨v‡KU Av`vb cÖ`vb n‡q‡Q Zv †`Lv hv‡”Q| 10| j¨vb ms‡hv‡Mi ÷¨vUvm †`L‡Z PvB‡j Avcwb ÷¨vUvm ev‡ii †bUIqvK© AvBKbwU‡Z Wvej wK¬K Ki‡Z cv‡ib| GB DB‡Ûv‡Z Avcwb †bUIqvK© Kv‡W©i gva¨‡g †cÖwiZ, M„nxZ WvUv c¨v‡K‡Ui cwimsL¨vb, ms‡hvM ¯’vc‡bi mgqKvj, WvUv UªvÝdvi MwZ (Av‡jvP¨ D`vni‡Y 1000 GgwewcGm) BZ¨vw` cwimsL¨vb Avcwb †`L‡Z cv‡eb| wPÎ : ÷¨vUvm ev‡ii †bUIqvK© AvBK‡bi e¨envi| w w w .fb.com /tanbir.cox
  • 56. 56  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  11| ÷¨vUvm ev‡i †bUIqvK© AvBK‡bi Dci gvDm wb‡j †bUIqv‡K© WvUv UªvÝdvi MwZ, †cÖwiZ, M„nxZ WvUv c¨v‡K‡Ui msL¨v †`Lv hv‡e| wPÎ : Hardware Wizard AckbwU GB DB‡Ûv‡Z †`Lv hv‡e| 12| Kw¤úDUv‡i †bUIqvK© KvW© Bb÷j Kivi ci Avcwb hw` †mwU Network and Dial-Up connection Gi g‡a¨ †Kvb Local Area Connection AvBKb †`L‡Z bv cvb Zvn‡j eyS‡Z n‡e wm‡÷g †bUIqvK© KvW© mbv³ Ki‡Z cvi‡Q bv| GgZe¯’vq †W·U‡c Aew¯’Z My Computer AvBKbwU wm‡j± K‡i gvD‡mi Wvb evUbwU‡Z wK¬K Kiæb| Gevi Properties bvgK cc-Avc †gby¨ wm‡j± Kiæb| G ch©v‡q †bUIqvK© KvW©wU wPwýZ Kivi Rb¨ Avcwb Hardware Wizard evU‡b wK¬K Kiæb| Hardware Wizard-wU Avcwb Start Setting Control Panel Add New Hardware †_‡KI Pvjy Ki‡Z cv‡ib| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 57.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  57 wPÎ : nvW©Iq¨vi wWfvBm ZvwjKvq Network Adapter Av‡Q wKbv Zv wbwðZ n‡q wbb| 13| DBRv‡W©i G ch©v‡q Avcwb wWfvBm ZvwjKvq Network Adapters bv †`L‡Z †c‡j Next evU‡b wK¬K Kiæb| wPÎ : Hardware Type DB‡Ûv‡Z Network adapters AckbwU wm‡j± Kiv n‡q‡Q| 14| Gevi Hardware Type DB‡Ûv‡Z Network adapters wm‡j± K‡i Avev‡iv Next evU‡b wK¬K Kiæb| w w w .fb.com /tanbir.cox
  • 58. 58  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ t Select Network Adapter DB‡Ûv‡Z Avcbvi wcwm‡Z Bb÷jK…Z h_vh_ †bUIqvK© KvW©wU wm‡j± Kiæb| 15| Av‡jvP¨ D`vni‡Y 3Com wbwg©Z †bUIqvK© KvW© e¨eüZ n‡q‡Q| G Kvi‡Y Select Network Adapter DB‡Ûv‡Z Manufactures ZvwjKv †_‡K 3Com Ges Network Adapter ZvwjKv †_‡K h_vh_ GWvÞviwU wm‡j± K‡i Next evU‡b wK¬K Kiæb| wm‡÷g mdUIq¨vi †bUIqvK© Kv‡W©i WªvBfvi Luy‡R bv †c‡j †bUIqvK© Kv‡W©i mv‡_ Avmv wmwW A_ev d¬wc wW· h_vh_ WªvB‡f ¯’vcb K‡i Next evU‡b wK¬K Kiæb| Gevi h_vh_ WªvBfviwU wPwýZ Kiæb| G ch©v‡q WªvBfvi Bb÷j †kl n‡j wm‡÷g cybivq Pvjy Kiæb| †bUIqvK© KvW© me©‡kl g‡W‡ji n‡j DB‡ÛvR 2000 wbR †_‡KB †mwU wPwýZ K‡i wb‡e| GRb¨ Avjv`v †Kvb WªvBfvi Bb÷j Kivi cÖ‡qvRb †bB| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 59.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  59 wPÎ : Avcwb Device Manager-G m`¨ Bb÷j Kiv KvW©wU †`L‡Z cv‡eb| 16| wm‡÷g †bUIqvK© KvW©wU h_vh_fv‡e wPwýZ Ki‡Z †c‡i‡Q wK bv Zv cixÿv Kivi Rb¨ Avcwb System Properties DB‡Ûv‡Z wd‡i Avmyb| Gevi Device Manager evU‡b wK¬K Kiæb| Avcwb wm‡÷‡g Bb÷jK…Z wWfvBm ZvwjKvi g‡a¨ Network Adapters Gi Aax‡b †bUIqvK© KvW©wUi bvg †`L‡Z cv‡eb| wPÎ : ÷¨vUvm ev‡ii µm wPý wb‡`©k K‡i †bUIqv‡K©i †Kvb wdwRK¨vj K‡¤úv‡b‡›U mgm¨v †`Lv w`‡q‡Q| 17| wm‡÷g †Kvb Kvi‡Y †bUIqvK© KvW© wVKg‡Zv wPb‡Z bv cvi‡j A_ev †bUIqvK© Kv‡W©i WªvBfvi, K¨vej Kv‡bKUi ev K¨ve‡j †Kvb mgm¨v †`Lv w`‡j ÷¨vUvm ev‡i †bUIqvK© AvBK‡b Dc‡ii wP‡Îi g‡Zv GKwU µm wPý †`L‡Z cv‡eb| w w w .fb.com /tanbir.cox
  • 60. 60  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : wUwmwc/AvBwc †cÖvcvwU©R DB‡Ûv AvBwc G¨v‡Wªm, mve‡bU gv¯‹, †MUI‡q BZ¨vw` Z_¨ Gw›Uª w`b| 18| †bUIqvK© Kv‡W©i Rb¨ AvBwc G¨v‡Wªm Gw›Uª w`‡Z PvB‡j Internet Protocol (TCP/IP) wm‡j± K‡i Gevi Properties evU‡b wK¬K Kiæb| Gevi IP address Ack‡b 147.111.123.5 Gw›Uª w`b| †h‡nZz GwU K¬vk we AvBwc G¨v‡Wªm ZvB Gi Rb¨ mve‡bU gv‡¯‹ Gw›Uª w`b 255.255.0.0| mve‡bU gv‡¯‹ †Kvb Gw›Uª bv w`‡jI wm‡÷g wbR †_‡K GwU m¤úbœ Ki‡e| Avcbvi IqvK©‡÷kbwU hw` wWGBPwmwc mvf©vi e¨envi K‡i Zvn‡j Avcwb g¨vbyqvjx †Kvb AvBwc G¨v‡Wªm Gw›Uª w`‡eb bv| ïay gvÎ Obtain an IP address automatically AckbwU wm‡j± Ki‡eb| wWGBPwmwc mvf©vi wbR †_‡KB Avcbv‡K IqvK©‡÷kbwU‡K AvBwc G¨v‡Wªm eivÏ cÖ`vb Ki‡e| Avcbvi IqvK©‡÷kb ev †nv‡÷i G¨v‡Wªm †iR¨y‡jk‡bi Rb¨ wWGbGm mvf©v‡ii AvBwc G¨v‡Wªm Preferred DNS Server Gi N‡i Gw›Uª w`‡Z cv‡ib| Avcwb hw` GK mve‡bU †_‡K Ab¨ mve‡b‡Ui AvIZvaxb †Kvb Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 61.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  61 IqvK©‡÷k‡bi mv‡_ †hvMv‡hvM Ki‡Z Pvb Zvn‡j Default gateway ivDUv‡ii AvBwc G¨v‡Wªm Gw›Uª w`b| wPÎ (K) 19 (K): Advanced wUwmwc/AvBwc †mwUs DB‡Ûv †_‡K AvBwc G¨v‡Wªm Ges †MUI‡q †mwUs c×wZ| wPÎ (L) 19 (L): †MUI‡q Kw¤úDUv‡ii AvBwc G¨v‡Wªm Add evU‡b wK¬K K‡i †hvM Kiv n‡”Q| TCP (IP) Gi AvIZvq Properties e‡·i Advanced evU‡b wK¬K K‡i DNS, WINS mvf©v‡ii G¨v‡Wªm Ges Metric Gi N‡i Gw›Uª w`‡Z cv‡ib| wPÎ 19(K) Ges 19(L) G Gw›Uª cÖwµqvwU †`Lv‡bv n‡jv| w w w .fb.com /tanbir.cox
  • 62. 62  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : SURECOM bvgK †bUIqvK© KvW©-Gi mv‡_ wUwmwc/AvBwc †cÖv‡UvK‡ji mgš^q| 20| aiæb, DB‡ÛvR 98 Acv‡iwUs wm‡÷‡g SURECOM bvgK †bUIqvK© KvW© Bb÷j Kiv n‡q‡Q| †bUIqvK© KvW©wU wUwmwc/AvBwc †cÖv‡UvKj e¨envi K‡i KvR Ki‡Z cvi‡e wK bv Zv cixÿv K‡i †`Lvi Rb¨ Start Setting Control Panel n‡q Network AvBK‡b Wvej wK¬K Kiæb| hw` †bUIqvK© K‡¤úv‡b›U ZvwjKvq TCP/IP Ack‡b SURECOM bvgwU †`L‡Z cvb Zvn‡j Avcwb G wel‡q wbwðZ n‡Z cvi‡eb| wPÎ : wUwmwc/AvBwc †cÖv‡UvKj e¨envi Ki‡e G ai‡bi K‡¤úv‡b›U †hvM Kiv n‡”Q| 21| DB‡ÛvR 98 Acv‡iwUs wm‡÷‡g wewfbœ †bUIqvK© mvwf©m ev K‡¤úv‡b›U Ackb‡K wUwmwc/AvBwcÕi mv‡_ Ave× ev evBwÛs K‡i †`qv nq| evBwÛs Kivi cÖwµqvwU Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 63.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  63 wUwmwc/AvBwc †cÖvcvwU©R WvqvjM e‡·i gva¨‡g †`Lv‡bv n‡jv| (wPÎ ) wPÎ : †bUIqvK© †nv÷‡K IqvK©MÖæc ev †Wv‡gB‡bi Ask wn‡m‡e wPwýZ Kiv n‡”Q| 22| G ch©v‡q †bUIqv‡K© Avcbvi Kw¤úDUviwU‡K cwiwPZ Kivi Rb¨ My computer AvBK‡b gvD‡mi Wvb wK¬K K‡i cc-Avc †gby¨ †_‡K Properties KgvÛ wm‡j± Kiæb| Gevi Network Identification U¨vewU wm‡j± Kiæb| GB DB‡Ûv‡Z Computer name Gi e‡· Avcbvi Kw¤úDUv‡ii GKwU bvg (G‡ÿ‡Î ac1) Ges Avcwb †h IqvK©MÖæ‡ci AvIZvq _vK‡Z Pvb Zvi bvg (G‡ÿ‡Î SICT) Workgroup Ack‡b Gw›Uª w`b| Avcbvi †bUIqv‡K© hw` †Kvb †Wv‡gBb K‡›Uªvjvi _v‡K, Zvn‡j Domain AckbwU wm‡j± K‡i †Wv‡gB‡bi bvg Gw›Uª w`b| Gevi OK evU‡b wK¬K Kiæb| w w w .fb.com /tanbir.cox
  • 64. 64  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : †cÖvcvwU©R evU‡b wK¬K K‡i Avcwb Kw¤úDUvi bvg Ges IqvK©MÖæc cwieZ©b Ki‡Z cv‡ib| | 23| G ch©v‡q Dc‡ii WvqvjM e‡· Avcbvi Kw¤úDUv‡ii bvg Ges wbe©vwPZ IqvK©MÖæ‡ci bvg wjL‡Z cv‡ib| Kw¤úDUv‡ii bvg I IqvK©MÖæ‡ci Ackb cwieZ©b Ki‡Z PvB‡j cybivq Properties evU‡b wK¬K Kiæb| DB‡ÛvR G·wc-†Z †bUIqvK© †mUAvc cÖwµqv t DB‡ÛvR G·wc‡Z †bUIqvK© †mUAvc Kivi †ek K‡qKwU c×wZ Av‡Q| cÖ_gZ: Avcwb StartControl PanelNetwork Connections ‡_‡K †bUIqvK© †mUAvc cÖwµqv ïiæ Ki‡Z cv‡ib| wØZxqZ: ÷¨vUvm ev‡i Aew¯’Z †bUIqvK© AvBKb †_‡KI Avcwb †bUIqvK© †mUAvc cÖwµqv Avi¤¢ Ki‡Z cv‡ib| 1) G ch©v‡q Avcwb Network Connections DB‡Ûv‡Z wK¬K Kiæb| Zvn‡j wb‡Pi New Connection Wizard †`‡L‡Z cv‡eb| G DBRv‡W©i mvnv‡h¨ Avcwb wZbwU KvR Ki‡Z cv‡ib| cÖ_gZ: Gi mvnv‡h¨ Avcwb B›Uvi‡b‡Ui mv‡_ mshy³ n‡Z cv‡ib| wØZxqZ: j¨vb ev Avcbvi Kg©‡ÿ‡Î we`¨vb †Kvb †bUIqv‡K© mshy³ nIqv hvq Ges me‡k‡l G DBRv‡W©i mvnv‡h¨ Avcwb †nvg ev ¯§j Awdm †bUIqvK© †mcAvc Kiv hv‡e| G ch©v‡q Next evU‡b wK¬K Kiæb| 2) Avcbvi bZzb ms‡hv‡Mi aib wK n‡e Zv Gevi wb‡Pi DB‡Ûv Network Connection Type †_‡K wm‡j± K‡i wbb| GLv‡b Avcwb ms‡hv‡Mi Rb¨ PviwU Ackb cv‡”Qb| cÖ_g AckbwU B›Uvi‡b‡U ms‡hv‡Mi Rb¨, wØZxqwU Wvqvj-Avc ev wfwcGb (fvP©yqvj cÖvB‡fU †bUIqvK©) Gi mvnv‡h¨ Ab¨ †Kvb ¯’v‡b Aew¯’Z cÖvB‡fU †bUIqv‡K© mshy³ nIqvi Rb¨, Z…Zxq AckbwU we`¨gvb †Kvb ‡nvg ev ¯§j Awdm †bUIqvK© Gi mv‡_ mshy³ nIqvi Rb¨ ev bZzb †Kvb ‡nvg ev ¯§j Awdm †bUIqvK© †mUAv‡ci Rb¨ Ges me©‡kl AckbwU GWfvÝW ms‡hvM †hgb wmwiqvj,c¨vivjvj ev Bbdªv‡iW †cv‡U©i gva¨‡g mivmwi Ab¨ Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 65.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  65 Kw¤úDUv‡ii mv‡_ mshy³ Kivi Rb¨ e¨envi Kiv hvq A_ev Ab¨ †Kvb Kw¤úDUvi hv‡Z mivmwi G Kw¤úDUv‡ii mv‡_ mshy³ n‡Z cv‡i †m e¨e¯’v K‡i _v‡K| GWfvÝW Kv‡bKkb Ackb ev me©‡kl AckbwU wm‡j± K‡i Gevi Next evU‡b wK¬K Kiæb| 3) Avcwb hw` Ab¨ †Kvb Kw¤úDUvi‡K mivmwi Avcbvi Kw¤úDUv‡i mshy³ nIqvi AbygwZ cÖ`vb Ki‡Z Pvb Zvn‡j Advanced Connection OptionsÑDB‡Ûv‡Z Accept incoming connections AckbwU wm‡j± Kiæb Ges Next evU‡b wK¬K Kiæb| w w w .fb.com /tanbir.cox
  • 66. 66  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  4) Gevi Avcbvi Kw¤úDUv‡i †h wWfvB‡mi gva¨‡g ms‡hvM ¯’vwcZ n‡e Zv Devices for Incoming Connections DBRvW© †_‡K wm‡j± Kiæb| Gÿ‡Î Avgiv Direct Parallel ‡cvU© wm‡j± K‡iwQ| Gevi Next evU‡b wK¬K Kiæb| 5) G ch©v‡q evB‡ii Kw¤úDUviwU Avcbvi Kw¤úDv‡i fvP©yqvj cÖvB‡fU †bUIqvK© e¨envi K‡i cÖ‡ek Ki‡Z cvi‡e wKbv Zv wm‡j± Kiæb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 67.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  67 6) Avcbvi Kw¤úDUv‡i ïay †Kvb †Kvb BDRvi cÖ‡e‡ki Aby‡gv`b cv‡e Zv User Permissions †_‡K P~ovšÍ K‡i wbb| 7) User Permissions DB‡Ûv‡Z †Kvb BDRvi wm‡j± K‡i Gici Properties evU‡b wK¬K K‡i Avcwb BDRv‡ii Kje¨vK bv¤^vi GLv‡b †mU Ki‡Z cv‡ib| w w w .fb.com /tanbir.cox
  • 68. 68  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  8) BDRvi ev Kjvi (Caller) hv‡Z Avcbvi Kw¤úDUv‡i wbwe©‡Nœ cÖ‡ek Ki‡Z cv‡i †mRb¨ BDRv‡ii Dc‡hvMx †bUIqvwK©s mdUIq¨vi wm‡j± K‡i w`b| 9) BDRvi hw` wUwmwc/AvBwcÕi gva¨‡g mivmwi Avcbvi Kw¤úDUv‡i ms‡hvM wb‡Z Pvq Zvn‡j †bUIqvwK©s mdUIq¨vi Gi AvIZvq Properties evU‡b wK¬K Kiæb| GLv‡b Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 69.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  69 †bUIqv‡K© cÖ‡e‡ki Aby‡gv`bmn wUwmwc/AvBwc Ab¨vb¨ c¨vivwgUvi¸‡jv h_vh_fv‡e KiwdMvi K‡i wbb| 10) G ch©v‡q Avcbvi Kw¤úDUviwU mivmwi Ab¨ †Kvb Kw¤úDUi ‡_‡K BbKvwgs WvUv MÖn‡Yi Rb¨ cÖ¯‘Z n‡q wM‡q‡Q| 11) Gevi Avcwb Network Connections Gi Aax‡b Incoming Connections AvBKbwU †`L‡Z cv‡eb| cÖ‡qvRb‡ev‡a Avcwb Incoming Connections AvBKbwU‡Z gvD‡mi Wvb wK¬K K‡i Gi †cÖvcvwU©R¸‡jv cwieZ©b K‡i wb‡Z cv‡i| w w w .fb.com /tanbir.cox
  • 70. 70  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  12) †bUIqvK©fy³ Ab¨ †Kvb Kw¤úDUv‡ii wi‡mvm© †kqvwis Gi Rb¨ G‡Z cÖ‡ek Ki‡Z PvB‡j Advanced Connection Options Gi Aaxb Gevi Avcwb Connect directly to another computer AckbwU wm‡j± Kiæb| G ch©v‡q Next evU‡b wK¬K Kiæb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 71.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  71 13) Avcbvi Kw¤úDUviwU †nv÷ bv †M÷ n‡e Zv Host or Guest DB‡Ûv †_‡K wm‡j± K‡i w`b| GLv‡b D‡jøL¨ †h, †nv÷ Kw¤úDUvi wi‡mvm© aviY K‡i, Ab¨w`‡K †M÷ Kw¤úDUvi †nv÷ Kw¤úDUv‡i Aew¯’Z wi‡mvm©mg~n †kqvi K‡i| Gevi Next evU‡b wK¬K Kiæb| 14) ms‡hvM ¯’vc‡bi Rb¨ Avcwb †Kvb wWfvBm ev †cvU© e¨envi Ki‡eb Zv Connection Device DB‡Ûv †_‡K wm‡j± K‡i wbb| 15) Gevi †h mKj †M÷ ev BDRvi Avcbvi †nv÷ Kw¤úDUv‡i hy³ n‡Z cvi‡e Zv‡`i ZvwjKv Avcwb User Permissions DB‡Ûv †_‡K wbw`©ó K‡i w`‡Z cv‡ib| w w w .fb.com /tanbir.cox
  • 72. 72  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  16) Gevi ‡M÷ Kw¤úDUvi KbwdMvi Kivi Rb¨ Guest AckbwU wm‡j± Kiæb| 17) Gevi †h †nv÷ Kw¤úDUv‡ii mv‡_ hy³ n‡Z Pvb Zvi bvg Connection Name DB‡Ûv‡Z D‡jøL K‡i wbb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 73.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  73 18) Avcbvi Kg©¯’‡ji †Kvb Kw¤úDUv‡ii mv‡_ ms‡hvM ¯’vc‡bi Rb¨ Network Connection Gi Aaxb Virtual Private Network connection AckbwU wm‡j± Ki‡Z cv‡ib| 19) G ms‡hvMwUi GKwU bvg Avcwb wbw`©ó K‡i w`‡Z cv‡ib Company Name bvgK e‡·| G †ÿ‡Î Avgiv ms‡hv‡Mi bvg wn‡m‡e ITCOM Gw›Uª w`‡qwQ| w w w .fb.com /tanbir.cox
  • 74. 74  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  20) Gevi VPN Server Selection DB‡Ûv‡Z †h wfwcGb mvf©v‡ii mv‡_ Avcwb ms‡hvM ¯’vcb Ki‡Z hv‡”Qb Zvi bvg ev AvBwc G‡Wªm Gw›Uª w`b| G‡ÿ‡Î Avgiv wfwcGb mvf©v‡ii AvBwc G‡Wªm wn‡m‡e 191.168.100.101 Gw›Uª w`‡qwQ| 21) G ch©v‡q ms‡hvM ¯’vc‡bi cÖwµqv m¤úbœ n‡j Avcwb wb‡Pi wP‡Îi g‡Zv GKwU DB‡Ûv †`L‡Z cv‡eb| 22) Gevi Avcwb m`¨ KbwdMviK…Z wfwcGb ms‡hvMwU mwµq ev e¨envi Ki‡Z PvB‡j Network Connections DB‡Ûv †_‡K VPN mswkøó AvBKbwU‡Z Wvej wK¬K K‡i ms‡hvM cÖwµqv Pvjy Kiæb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 75.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  75 †nvg ev ¯§j Awdm Gi Rb¨ †bUIqvK© †mUAvc DBRvW© (Network Setup Wizard for Home or Small Office) t 1| DB‡ÛvR G·wcÕi Network Connections DB‡Ûv‡Z Aew¯’Z Setup a home or small office network kxl©K DBRvW©wU e¨envi K‡i Avcwb Lye mn‡RB ‡bUIqvK© †mc Avc Gi KvRwU m¤úbœ Ki‡Z cv‡ib| G AvBKbwU‡Z wK¬K Ki‡j †mUAvc DBRvW©wU Avcbvi mvg‡b Avm‡e Ges G ch©v‡q Avcbv‡K DBRvW© Rvbv‡e †h Gi mvnv‡h¨ B›Uvi‡bU ms‡hvM †kqvi, B›Uvi‡bU dvqviIqvj †mUAvc, dvBj, ‡dvìvi Ges wcÖ›Uvi †kqvwis Gi g‡Zv KvR¸‡jv m¤úbœ Ki‡Z mÿg n‡eb| G KvR¸‡jv Kivi Rb¨ Avcwb Next evU‡b wK¬K Kiæb| 2| Avcbvi Kw¤úDUv‡i †bUIqvK© KvW©, g‡Wg, K¨vej BZ¨vw` Bb÷j Kiv n‡q‡Q wKbv, Kw¤úDUvi,wcÖ›Uvi, G·Uvb©vj g‡Wg Ab Kiv n‡q‡Q wKbv, G Qvov Avcbvi Kw¤úDUvi B›Uvi‡b‡Ui mv‡_ mshy³ wKbv Zv cixÿv K‡i †`Lvi Rb¨ w w w .fb.com /tanbir.cox
  • 76. 76  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  Avcbv‡Z Aby‡iva Kiv n‡e| G welq¸‡jv cixÿv K‡i Gevi Next evU‡b wK¬K Kiæb| 3| G ch©v‡q Select a connection method DB‡Ûv‡Z Avcbvi Kw¤úDUvi Z_v †bUIqv‡K©i ÷vUvm ev Ae¯’vb Abyhvqx ms‡hvM AckbwU †e‡Q wbb Ges Next evU‡b wK¬K Kiæb| K) D`vniY¯^iƒc cÖ_g AckbwU‡Z ejv n‡q‡Q Avcbvi Kw¤úDUviwU mivmwi B›Uvi‡b‡Ui mv‡_ mshy³ Ges†bUIqv‡K©i Ab¨vb¨ Kw¤úDUvi G Kw¤úDUv‡ii gva¨‡gB B›Uvi‡b‡Ui mv‡_ hy³ n‡e| G ai‡bi GKwU †mUAvc wb‡Pi wP‡Î †`Lv‡bv n‡jv| Avcbvi Kw¤úDUv‡ii Ae¯’vb G iKg n‡j cÖ_g AckbwU wm‡j± K‡i Next evU‡b wK¬K Kiæb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 77.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  77 L) Dc‡ii cÖwµqv Ab¨vb¨ Ack¸‡jv cixÿv K‡i †`Lyb| Z…Zxq AckbwU‡Z Avcwb †`L‡Z cv‡eb, Avcbvi Kw¤úDUviwU †bUIqvK© nve Ges K¨vej g‡W‡gi gva¨‡g nq‡Zv B›Uvi‡b‡Ui mv‡_ mshy³ n‡e| G ai‡bi GKwU †mUAvc Ackb wb‡Pi Qwe‡Z †`Lv‡bv n‡jv| Avcbvi Kw¤úDUvi Ges †bUIqv‡K©i aib, Ae¯’vb Ges G‡Z B›Uvi‡b‡Ui ms‡hv‡Mi cÖwµqv cixÿv K‡i ‡bUIqvK© †mUAvc DBRv‡W©i h_vh_ AckbwU †e‡Q wbb Ges DBRv‡W©i wb‡`©kiv Abymi‡Y cieZx© †mUAvc¸‡jv m¤úbœ Kiæb| w w w .fb.com /tanbir.cox
  • 78. 78  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  4| †bUIqv‡K© Avcbvi Kw¤úDUvi‡K kixK Kiv‡Z PvB‡j Gi Rb¨ Aek¨B GKwU bvg Ges GKwU mswÿß eY©bv w`‡Z n‡e| G KvRwU Ki‡Z n‡e Give this computer a description and name DB‡Ûv †_‡K| 5| Kw¤úDUv‡ii bv‡gi cvkvcvwk †bUIqv‡K©i bvgI wbw`©ó K‡i w`‡Z n‡e| GKwU †bUIqv‡K©i AvIZvq mg¯Í Kw¤úDUv‡ii Rb¨ GKwU Awfbœ †bUIqvK© bvg _vK‡Z n‡e| IqvK©MÖæc wPwýZ Kivi gva¨‡g g~jZ: †bUIqvK© bvg wba©viY Kiv nq| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 79.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  79 6| G ch©v‡q †mUAvc DBRvW© Avcbvi †_‡K cÖvß Z_¨vw`i wfwˇZ †bUIqvK© †mUAvc ev KbwdMv‡ikb Gi KvR¸‡jv m¤úbœ Ki‡e| G cÖwµqv m¤úbœ Kivi Rb¨ K‡qK wgwbU mg‡qi cÖ‡qvRb n‡Z cv‡i| 7| Avcwb †bUIqvK© ‡mUAvc cÖwµqvi cÖvq †kl ch©v‡q| Avcbvi †bUIqv‡K©i AvIZvq †h mKj Kw¤úDUv‡i DB‡ÛvR G·wc Acv‡iwUs wm‡÷g †bB, †m me Kw¤úDUv‡i G †bUIqvK© †mUAvc DBRvW© Pvjv‡Z n‡j Avcwb DB‡ÛvR G·wc wmwW ev †bUIqvK© †mUAvc wW¯‹ e¨envi Ki‡Z cv‡ib| †bUIqvK© †mUAvc wW¯‹ ˆZwii Rb¨ cÖ_g AckbwU wmj‡± Kiv n‡jv| w w w .fb.com /tanbir.cox www.facebook.com/tanbir.cox
  • 80. 80  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  8| Gevi †h d¬wc wW¯‹‡K †mUAvc wn‡m‡e ˆZwi Ki‡Z PvB †mwU d¬wc wW¯‹ WªvB‡f ¯’vcb Ki‡Z n‡e| cÖ‡qvRbxq G wW¯‹wU dig¨vU K‡i wb‡Z n‡e| 9| DB‡ÛvR G·wc wmwW †_‡K DBRvW©wU Pvjv‡Z n‡j wmwWwU †bUIqv‡K©i Ab¨vb¨ Kw¤úDUv‡ii wmwW WªvB‡f ¯’vcb Kiæb| Gi Perform additional tasks Gi AvIZvq Set up home or small office networking AckbwU‡Z wK¬K K‡i Bb÷j cÖwµqv ïiæ Kiæb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 81.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  81 10| d¬wc wW¯‹ †_‡K †bUIqvK© †mUAvc DBRvW© Pvjy Ki‡Z PvB‡j, cÖ_‡g wW¯‹wU Kw¤úDUv‡ii d¬wc WªvB‡f ¯’vcb Kiæb| Gevi d¬wc wW‡¯‹i netsetup dvB‡ji Ici Wvej wK¬K K‡i Bb÷‡jkb cÖwµqv ïiæ Kiæb| 11| G ch©v‡q †bUIqvK© †mUAvc-Gi KvR †kl n‡e| Avcwb Finish K¬K K‡i †mUAvc cÖwµqv m¤úbœ Kiæb| w w w .fb.com /tanbir.cox
  • 82. 82  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  DB‡ÛvR G·wc‡Z B›Uvi‡bU ms‡hvM c×wZ t DB‡ÛvR G·wc Acv‡iwUs wm‡÷‡g B›Uvi‡b‡Ui mv‡_ mshy³ nIqvi Rb¨ Network Connections ‡_‡K New Connection Wizard Pvjy Ki‡j B›Uvi‡b‡U mshy³ nIqvi Rb¨ wb‡æv³ Ackbmg~n cv‡eb| G Ackb¸‡jv n‡”Q: (K) Wvqvj-Avc c×wZi mvnv‡h¨| G‡ÿ‡Î cÖPwjZ †dvb jvBb (PSTN) ev AvBGmwWGb(ISDN) jvBb Ges Gi m‡½ mswkøó g‡Wg e¨envi Kiv nq| (L) eªWe¨vÛ ms‡hvM †hgb wWGmGj ev K¨vej g‡W‡gi mvnv‡h¨ †hLv‡b BDRvi †bg Ges cvmIqvW© cÖ‡qvRb nq Ges (M) wWGmGj ev K¨vej g‡W‡gi mvnv‡h¨ eªWe¨vÛ ms‡hvM †hLv‡b BDRvi †bg Ges cvmIqvW© cÖ‡qvRb nq bv| G ai‡Yi ms‡hv‡M Avcbvi Kw¤úDUvi me©`vB Ab-jvB‡b _vK‡e Ges B›Uvi‡b‡U mshy³ nIqvi Rb¨ G‡ÿ‡Î jM-Bb Kivi cÖ‡qvRb nq bv| ms‡hvM ¯’vc‡bi Rb¨ Avcwb K‡qKwU Ackb cv‡eb| Z‡e wb‡Pi wPÎ Abyhvqx Avgv‡`i Rb¨ wØZxq Ges Z…Zxq AckbwU cÖ‡hvR¨ n‡e| Avcwb g¨vbyqvwj ms‡hvM KbwdMvi Ki‡Z PvB‡j AvBGmwc Aby‡gvw`Z BDRvi †bg, cvmIqvW©, †dvb bv¤^vi BZ¨vw` wb‡Ri †_‡KB Gw›Uª w`‡Z n‡e| Avi hw` AvBGmwc A‡Uv‡gwUK ms‡hvM KbwdMvi Rb¨ †Kvb †mUAvc wmwW mieivn K‡i Zvn‡j G †mUAvc wmwW †_‡K ms‡hvM cÖwµqv AwZ mn‡RB m¤úbœ K‡i wb‡Z cv‡ib| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 83.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  83 Wvqvj Avc c×wZ‡Z B›Uvi‡bU ms‡hvM †mUAvc cÖwµqvq Avcwb GWfvÝW Wvqvj Avc DB‡Ûv‡Z wM‡q wbw`©ó K‡i w`‡Z cv‡ib KZ evi AvBGmwci mvf©v‡ii mv‡_ mshy³ nevi Rb¨ Wvqvj Ki‡e| GQvov `y‡Uv Wvqvj Avc cÖ‡Póvi ga¨eZx© mg‡qi e¨eavb KZUzKz n‡e †mwUI GLvb †_‡K wba©viY Ki‡Z cv‡ib| Avcbvi Kw¤úDUvi mvf©v‡i mshy³ nevi ci KZ mgq Ajm ev wbw®Œq _vK‡j ms‡hvMwU Avcbv Avcwb wew”Qbœ n‡e †mwUI GB DBRvW© †_‡K †mU Ki‡Z cv‡ib| w w w .fb.com /tanbir.cox
  • 84. 84  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †bUIqvK© wi‡mvm© †kqvwi Network Resource Sharing nvW© wW¯‹, †WUv I dvB‡ji g‡Zv wcÖ›UviI GK ai‡bi †bUIqvK© wi‡mvm©| †bUIqv‡K© wcÖ›Uvi Ab¨vb¨ wcwmÕi gZB GKwU †nv÷ Ges †nv÷ wn‡m‡e wcÖ›Uv‡ii GKwU AvBwc wVKvbv Av‡Q| AvBwc wVKvbvi gva¨‡g †bUIqv‡K©i Ab¨vb¨ mvf©vi Ges K¬v‡q›U wcÖ›Uv‡i wcÖ›U Re (Print Job) cvwV‡q _v‡K| gvB‡µvmdU DB‡ÛvR 2000,GbwU (NT)mn Ab¨vb¨ mKj †bUIqvK© Acv‡iwUs wm‡÷g †bUIqv‡K©i mvf©vi I K¬v‡q‡›Ui Rb¨ wcÖ›U mvwf©m wbwðZ K‡i _v‡K| wcÖ›Uvi †mUAvc Ges †kqvi (Printer Setup and Share) DB‡ÛvR wfwËK wcÖw›Us mv‡cvU© Ki‡Z Avcwb GKwU Kw¤úDUvi‡K †Wwf‡K‡UW wcÖ›U mvf©vi (Dedicated Print Server) wn‡m‡e e¨envi Ki‡Z cv‡ib| we‡kl K‡i eo eo cÖwZôv‡bi †cÖvWvKkb G›UvicÖvBR cwi‡e‡k †hLv‡b e¨vcK cwigvb wcÖw›Us Pvwn`v Av‡Q †m mg¯Í †ÿ‡Î †WwW‡K‡UW wcÖ›U mvf©vi e¨envi Avek¨K| †QvU ev gvSvwi AvKv‡ii cÖwZôvb †hLv‡b wcÖw›Us Pvwn`v Lye e¨vcK bq †m mKj †ÿ‡Î GKwU mvf©vi‡KB dvBj Ges wcÖ›U mvf©vi wn‡m‡e e¨envi Kiv hvq| GLv‡b D‡jøL Kiv cÖ‡qvRb wcÖ›U mvf©vi wn‡m‡e DB‡ÛvR 2000 mvf©vi Ab¨vb¨ DB‡ÛvR, g¨vwK‡›Uvm, †bUIq¨vi Ges BDwb· Acv‡iwUs wm‡÷‡gi K¬v‡q›U mn‡RB mv‡cvU© K‡i| ‡bUIqvK© wcÖw›Us Gi Rb¨ AZ¨šÍ ¸iæZ¡c~Y© `ywU Dcv`vb n‡”Q wm‡÷‡gi †ggix (Memory) Ges nvW© wW· †¯úm (Hard Disk Space) | WKz‡g›U cÖ‡m‡mi Rb¨ cÖ‡qvRb nq †ggixi Ges wcÖ›U wKDÕi wcÖ›U Re wW‡¯‹ aviY (Store) Kivi Rb¨ ch©vß nvW© wW¯‹ †¯úm _vKv Avek¨K| GQvov nvW© wW¯‹ ‡¯úm dvBj †mvqvc (Swap) Gi Rb¨I e¨eüZ nq| WKz‡g›Umg~n hLb wcÖ›U Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 85.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  85 n‡Z _v‡K nvW©wW‡¯‹ A¯’vqxfv‡e msiwÿZ dvBj¸‡jv gy‡Q (Delete) ‡h‡Z _v‡K Ges nvW© wW¯‹ †¯úm Lvwj n‡Z _v‡K| †bUIqvK© wcÖw›Us wi‡mv‡m©i m‡ev©Ëg e¨envi wbwðZ Kivi Rb¨ †bUIqvK© G¨vWwgwb‡÷ªUi‡K c~‡e©B KZK¸‡jv wel‡q mywPwšÍZ cwiKíbv MªnY Ki‡Z nq| cwiKíbvi mgq †h mKj wel‡q we‡ePbv Kiv nq Zvn‡jv-  †bUIqvK© †Wv‡gBb (Domain) wWRvBb  †Wv‡gB‡bi Rb¨ BDRvi ev e¨enviKvix MÖæc wba©viY  cÖwZwU MÖæ‡ci Aax‡b e¨enviKvixi msL¨v wba©viY  wcÖ›Uvi I wcÖ›U mvf©v‡ii weZiY (Distribution) cÖwµqv I Ae¯’vb (Location) wbY©q Kiv, hv‡Z K‡i cÖwZwU e¨enviKvixi Rb¨ wcÖ›U wi‡mvm© mnRjf¨ nq| DB‡ÛvR 2000 mvf©vi Acv‡iwUs wm‡÷‡g †bUIqvK© wcÖ›Uvi †hvM Kivi me‡P‡q mnR Ges myweavRbK c×wZ n‡”Q G¨vW wcÖ›Uvi DBRvW© (Add Printer Wizard) e¨envi Kiv| GB DBRv‡W©i mvnv‡h¨ GKB cÖwµqvq DB‡ÛvR 95/98 Acv‡iwUs wm‡÷‡gI †jvKvj (Local) Ges †bUIqvK© wcÖ›Uvi Bb÷j Kiv hvq| GQvov GB DBRvW© e¨envi K‡i wcÖw›Us Gi Rb¨ wcÖ›Uvi †cvU© wbw`©ó K‡i †`qv (Assigning Printer Port), wcÖ›Uvi WªvBfvi Bb÷j Kiv Ges wcÖ›Uv‡ii bvg wba©viY BZ¨vw` KvR¸‡jvI Kiv hvq| ‡bUIqvK© wcÖ›Uvi Bb÷j Kiv msµvšÍ wel‡q Dc‡iv³ KvR¸‡jv Add Printer Wizard e¨envi K‡i ‡hfv‡e m¤úbœ Kiv nq †mB avc¸‡jv GLb Av‡jvPbv Kiv n‡e| w w w .fb.com /tanbir.cox
  • 86. 86  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : Add Printer Wizard DB‡Ûv| D`vniY¯^iƒc GLv‡b DB‡ÛvR 2000 mvf©vi †bUIqvK© Acv‡iwUs wm‡÷g e¨envi Kiv n‡jvt 1| cÖ_‡g G¨vWwgwb‡÷ªUi wn‡m‡e †bUIqv‡K© jM Ab (Log On) Kiæb| 2| Gevi Start †gby¨i AvIZvaxb Program Gi Printers †dvìvi †_‡K Add Printer KgvÛ wm‡j± Kiæb wcÖ›Uvi DBRvW© Pvjy Kivi Rb¨| Gici Next evU‡b wK¬K Kiæb| 3| GLb Add Printer Wizard Gi †jvKvj ev †bUIqvK© wcÖ›Uvi †cR †_‡K Local Printer †iwWI evU‡b wK¬K Kiæb| AZtci Automatically Detect My Printer †PKe·wU Avb‡PK (Uncheck) K‡i Next evU‡b wK¬K Kiæb| 4| DBRv‡W©i Select Printer Port av‡c Create a New Port †iwWI evU‡b wK¬K Kiæb Ges Wªc-WvDb WvqvjM e· e¨envi K‡i GKwU GjwcAvi (LPR-Line Printer) †cvU© wm‡j± Kiæb| AZtci Next evU‡b wK¬K Kiæb| GLv‡b D‡jøL¨ †h, GKwU †cvU© (Port) n‡”Q mvf©vi Ges wcÖ›Uv‡ii g‡a¨ †hvMv‡hvM ev KwgDwb‡Kkb P¨v‡bj (Communication Channel)| Qwe‡Z ai‡bi GKwU †cvU© wm‡jKkb DB‡Ûv †`Lv‡bv n‡jv| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 87.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  87 5| Gici c`©vq Add LPR Compatible Printer WvqvjM e· Avm‡e| GLv‡b GjwcwW (LPD-Line Printer Daemon) mvf©v‡ii wUwmwc/AvBwc wVKvbv Ges GKB mv‡_ widv‡iÝ †bg (Reference Name) ewm‡q OK Kiæb| wPÎ : wcÖ›Uvi †cvU© wm‡jKkb DB‡Ûv| 6| G ch©v‡q Avcbv‡K wb‡q hvIqv hv‡e Add Printer Wizard-Gi wcÖ›Uvi WªvBfvi wm‡jKkb w¯Œ‡b| GLv‡b cÖ`Ë ZvwjKv †_‡K wcÖ›Uvi wbg©vZv cÖwZôv‡bi bvg I wcÖ›Uv‡ii bvg wm‡j± K‡i OK evU‡b wK¬K Kiæb| ZvwjKv‡Z wcÖ›Uv‡ii bvg bv _vK‡j Have Disk evU‡b wK¬K K‡i d¬wc ev wmwW-ig WªvB‡f wcÖ›Uvi wbg©vZv KZ…©K mieivnK…Z wW¯‹ ev wmwW ¯’vcb K‡i wcÖ›Uvi WªvBfvi Bb÷j Kiæb| 7| DBRv‡W©i Name your Printer av‡c wcÖ›Uv‡ii bvg UvBc Kiæb Z‡e bvgwU Aek¨B 31(GKwÎk) K¨v‡i±v‡ii †ekx n‡e bv| GB bv‡gB wcÖ›UviwU Ab¨vb¨ †bUIqvK© e¨enviKvix‡`i wbKU cwiwPZ n‡e| Gevi h_vh_ †iwWI evUbwU wK¬K Kiæb wWdë wcÖ›Uvi Ack‡bi Rb¨ Ges cieZx© w¯Œb hvevi Rb¨ Next evU‡b wK¬K Kiæb| w w w .fb.com /tanbir.cox
  • 88. 88  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  8| Gici ¯Œx‡b Printer Sharing DB‡Ûv Avm‡e| G ch©v‡q Share As †U· e‡· †h bv‡g †kqviK…Z wcÖ›UviwU †bUIqv‡K© cwiwPZ n‡e Zv UvBc Kiæb| hw` Avcwb wcÖ›UviwU †bUIqv‡K© †kqviW wi‡mvm© wn‡m‡e †NvlYv Ki‡Z bv Pvb Zvn‡j Do Not share This Printer †iwWI evU‡b wK¬K Kiæb Ges Gic‡i Next evU‡b wK¬K Kiæb| 9| G mgq c`©vq Location and Comment DB‡Ûv Avm‡e, †hLv‡b Avcwb G¨vKwUf WvB‡iKUix‡Z cÖ`k©xZe¨ wcÖ›Uvi m¤ú‡K© cÖ‡qvRbxq Z_¨ cÖ`vb Ki‡eb| `y†Uv †U·U e‡· Z_¨ UvBc Kivi ci Next evU‡b wK¬K Kiæb| 10| G ch©v‡q c`©vq cÖ`wk©Z DB‡Ûv‡Z On the Print Test Page -G Yes †iwWI evU‡b wK¬K Ki‡Z cv‡ib wcÖ›Uvi‡K †U÷ Kivi Rb¨| †U÷ wcÖ›U bv PvB‡j GB †iwWI evUbwU †PK Kivi cÖ‡qvRb †bB| Gevi Next evU‡b wK¬K K‡i †mU Av‡ci cieZ©x av‡c P‡j †h‡Z n‡e| 11| æAdd Printer WizardÕÕ Gi †kl avc ev DB‡Ûv‡Z Avcwb G mg‡q G‡m co‡eb| GLv‡b †Kvb Z_¨ ev BbcyU Avcbv‡K w`‡Z n‡e bv| GZÿY ch©šÍ DBRv‡W©i wewfbœ av‡c Avcwb †h †Kvb Z_¨/ BbcyU cÖ`vb K‡i‡Qb Zvi mvi ms‡ÿc GLv‡b cvIqv hv‡e| GB DB‡Ûv‡Z Finish evU‡b wK¬K K‡i wcÖ›Uvi †mUAv‡ci KvRwU †kl Kiæb| mvims‡ÿ‡c cÖ`wk©Z †Kvb Z_¨ wVKg‡Zv cÖ`vb Kiv nq wb g‡b Ki‡j Avcwb Back evU‡b wK¬K K‡i wcQ‡bi avc¸‡jv‡Z wM‡q H Z_¨ cwieZ©b Ki‡Z cv‡ib| wcÖw›Us Aby‡gv`b (Printing Permission)t GKwU wcÖ›Uvi hLb †bUIqv‡K© †kqvi Kiv nq ZLb †bUIqv‡K©i KwZcq MÖæc ev e¨enviKvix GwU e¨env‡ii my‡hvM cvq| GmKj †ÿ‡Î e¨enviKvixi Rb¨ wcÖ›Uvi e¨env‡ii Aby‡gv`‡bi ch©vq wba©viY K‡i †`qv nq| wcÖ›Uvi Aby‡gv`b †mU Kivi avc¸‡jv wb‡P eY©bv Kiv n‡jv t 1. Start †gby¨i Setting †dvìvi †_‡K Printers KgvÛ wm‡j± Kiæb| 2. GLv‡b KvswLZ wcÖ›Uv‡ii Dci wM‡q Wv‡b wK¬K Kiæb Ges cc Avc †gby †_‡K Properties KgvÛ wm‡j± Kiæb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 89.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  89 3. Gevi Security U¨v‡e wK¬K Kiæb 4. bZzb †Kvb e¨enviKvix (User) ev MÖæc(Group) †hvM Ki‡Z PvB‡j Add evU‡b wK¬K Kiæb Ges Name †U·U e‡· GKwU bvg UvBc Kiæb| G ch©v‡q Select User,Computers or Group WvqvjM e‡· OK evU‡b wK¬K K‡i †ei n‡q Avmyb| 5. wcÖ›Uvi †kqv‡ii †Kvb Aby‡gv`b cwieZ©b ev evwZj Ki‡Z n‡j, e¨enviKvixi ev MÖæ‡ci bv‡g wK¬K Kiæb| 6. Gevi Permission e‡· h_vh_ †PK e·wU wK¬K K‡i Zv wm‡j± Kiæb Ges OK evU‡b wK¬K K‡i bZzb Aby‡gv`b‡K Kvh©Ki Kiæb| wPÎ : wewfbœ ai‡bi wcÖ›U Aby‡gv`b †mU Kivi DB‡Ûv| Permission DB‡Ûv‡Z wZb ai‡bi Aby‡gv`b Ackb Av‡Q | G¸‡jv n‡”Q:  wcÖ›U (Print)  g¨v‡bR wcÖ›Uvim (Manage Printers)  g¨v‡bR WKz‡g›Um (Manage Documents) †bUIqvK© e¨enviKvixi cÖ‡Z¨‡KiB ‘wcÖ›UÕ Ack‡b Aby‡gv`b Av‡Q| G¨vWwgwb‡÷ªUi, wcÖ›U Acv‡iUi Ges mvf©vi Acv‡iUi‡`i w w w .fb.com /tanbir.cox
  • 90. 90  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  ïay Ôg¨v‡bR wcÖ›UvimÕ- G Aby‡gv`b Av‡Q Ges ïaygvÎ WKz‡g›U gvwjK‡`i Ôg¨v‡bR WKz‡g›UmÕ G Aby‡gv`b i‡q‡Q| †bUIqvK© wcÖ›Uv‡ii mv‡_ K¬v‡q›U mshy³KiY (Connecting Clients to Network Printer)t †bUIqvK© wcÖ›Uv‡ii †kqvwis †mU-Avc m¤úbœ Ki‡bi ci Avcbv‡K K¬v‡q›U Kw¤úDUvi‡K †mUAvc Ki‡Z n‡e hv‡Z G¸‡jv †kqviW wcÖ›Uvi e¨envi Ki‡Z cv‡i| K¬v‡q›U wcÖ›Uv‡ii †mUAvc cy‡ivcywi wbf©i Ki‡Q Zvi Acv‡iwUs wm‡÷‡gi Dci| †h mg¯Í K¬v‡q›U Kw¤úDUv‡i DB‡ÛvR Acv‡iwUs wm‡÷g (DB‡ÛvRGbwU 95,98,2000) P‡j , †m¸‡jv Bb÷‡jk‡bi mgq Avcbv †_‡KB h_vh_ fvm©‡bi wcÖ›Uvi WªvBfvi wm‡÷‡g Bb÷j K‡i †bq hv‡Z Zviv †bUIqvK© wcÖ›Uvi e¨envi Ki‡Z cv‡i| DB‡Ûv‡Ri evB‡i Ab¨vb¨ nvW©Iq¨vi cøvUdg© ev gvB‡µvcÖ‡mmi Zv‡`i Dc‡hvMx wfbœ wfbœ WªvBfvi e¨envi K‡i _v‡K| wPÎ : †bv‡fj †bUIq¨vi K¬v‡q‡›Ui Rb¨ dvBj Ges wcÖ›U mvwf©m †mU Kivi DB‡Ûv| DB‡ÛvR Acv‡iwUs wm‡÷‡gi cyivZb fvm©b ( †hgb 3.1, 3.11) GgGm-Wm (MS-DOS) ev IGm/2 (OS/2) wm‡÷‡gi K¬v‡q›U wcwm‡Z Avcbv‡K wbR †_‡K wcÖ›Uvi WªvBfvi Bb÷j K‡i wb‡Z n‡e| GQvov K¬v‡q›U wcwmÔi GjwcwU 1(LPT1) †cv‡U©i Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 91.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  91 AvDUcyU Aek¨B jwRK¨vj wcÖ›Uv‡i wiWvB‡i± (Redirect) K‡i w`‡Z nq| G KvRwU Kiv nq Acv‡iwUs wm‡÷‡gi KgvÛ wmb‡U·‡Ui gva¨‡g| gvB‡µvmdU †bUIqv‡K©i K¬v‡q›U‡`i Rb¨ †h KgvÛwU e¨eüZ nq Zvn‡jv- Net use lptx:server_name share_name GLv‡b x= 1, 2 ev 3 n‡”Q Wm I DB‡ÛvR 3.1 Acv‡iwUs wm‡÷‡gi Rb¨| Ab¨vb¨ Acv‡iwUs wm‡÷‡gi Rb¨ x Gi gvb wfbœ n‡e| DB‡ÛvR 2000 mvf©vi †bUIqvK© Acv‡iwUs wm‡÷g g¨vwK‡›Uvm, †bUIq¨vi Ges BDwb· (UNIX) K¬v‡q›U mv‡cvU© K‡i _v‡K| G mKj Acv‡iwUs wm‡÷g mv‡cvU© Kivi Rb¨ mvf©v‡i AwZwi³ mvwf©m Bb÷j Ki‡Z nq| D`vniY¯^iƒc t †bUIq¨vi K¬v‡q‡›Ui Rb¨ GB mvwf©mwU n‡”Q dvBj Ges wcÖ›U mvwf©m (File and Print Service), BDwb‡·i Rb¨ mvwf©m n‡”Q wUwmwc/AvBwc wcÖw›Us (TCP/IP Printing) ev jvBb wcÖw›Us †WBgb (LPD)| mvf©v‡ii wWdë Bb÷‡jk‡bi mgq GB mvwf©m¸‡jvi g‡a¨ ‡KvbwUB wbR †_‡K wm‡÷‡g Bb÷j nq bv| wPÎ : BDwb· K¬v‡q‡›Ui Rb¨ wcÖ›U mvwf©m ‡hvM Kiv n‡q‡Q| DB‡ÛvR 2000 †cÖv‡dkbvj ev DB‡ÛvR 2000 mvf©vi Acv‡iwUs wm‡÷‡gi wcwm wUwmwc/AvBwc †cÖv‡UvKj e¨envi K‡i w w w .fb.com /tanbir.cox
  • 92. 92  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †bUIqvK© wcÖ›Uv‡ii mv‡_ mshy³ n‡Z cv‡i | G mKj K¬v‡q›U‡`i †bUIqvK© wcÖ›Uv‡ii mv‡_ hy³ Kivi Rb¨ GKwU eªvDRvi Lyj‡Z n‡e Ges G¨v‡Wªm ev‡i wcÖ›Uv‡ii BDAviGj (URL-Uniform Resource Locator) emv‡Z n‡e| K¬v‡q›U‡`i hw` wcÖ›Uv‡i cÖ‡e‡ki Aby‡gv`b _v‡K Zvn‡j Zviv H †bUIqvK© wcÖ›Uv‡i wcÖ›U Ki‡Z mÿg n‡e| BDAviGj wmb‡U· (Syntax) n‡”Q- http://server_name/ printers. DB‡ÛvR G·wc Acv‡iwUs wm‡÷g †_‡K †bUIqv‡K© †kqvi Kiv Av‡Q Ggb GKwU wcÖ›Uvi G¨vK‡mm Kivi KwZcq ¸iæZ¡c~Y© avc GLv‡b ‡`Lv‡bv n‡jv- K) cÖ_‡g StartCotrol Panel †_‡K Printers and Faxes Gc‡jUwU I‡cb Kiæb; L) Gevi Add Printer AvBK‡b Wvej wK¬K Kiæb| G ch©v‡q Avcbvi mvg‡b wbæiƒc GKwU DB‡Ûv Avm‡e| wPÎ : †bUIqvK© wcÖ›Uv‡ii mv‡_ mshy³ nIqvi Rb¨ wØZxq AckbwU †e‡Q †bqv n‡q‡Q| M) Avcwb A network printer, or a printer attached to another computer AckbwU‡Z wK¬K K‡i Next evU‡b Avevi wK¬K Kiæb| G ch©v‡q Avcbvi mvg‡b Specify a Printer kxl©K DB‡Ûv Avm‡e| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 93.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  93 wPÎ : †bUIqv‡K© †h mKj †kqviW wcÖ›Uvi Av‡Q Zv eªvDR Kiv n‡”Q| N) Gevi Browse a printer wm‡j± K‡i Next evU‡b wK¬K Kiæb| wKQyÿY A‡cÿv Ki‡j Avcwb wbæiƒc GKwU DB‡Ûv †`L‡Z cv‡eb †hLv‡b †bUIqv‡K©i AvIZvq mKj †kqviW wcÖ›Uv‡ii GKwU ZvwjKv †`Lv‡e, Avcwb G ch©v‡q SEC5HP LaserJet 4 Plus wcÖ›UviwU wm‡j± K‡i Next evU‡b Avevi wK¬K Kiæb| wPÎ : †h mKj †kqviW wcÖ›Uvi †bUIqv‡K© eZ©gvb Zvi ZvwjKv GLv‡b Avcwb cv‡eb| w w w .fb.com /tanbir.cox
  • 94. 94  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  O) †bUIqvK© ‡_‡K m`¨ G¨vK‡mm cvIqv †kqviW wcÖ›UviwU‡K Avcwb wWdë wcÖ›Uvi wn‡m‡e †mU Ki‡Z Pvb wK bv †mwU wb‡æi DB‡Ûv‡Z wba©viY K‡i w`‡Z cv‡ib| Gici Next evU‡b wK¬K K‡i cieZx© DB‡Ûv¸‡jv‡Z ewY©Z wb‡`©kbv Abyhvqx †bUIqvK© wcÖ›UviwU‡Z wcÖ›U KgvÛ cÖ`vb Z_v Gi †mUAvc m¤úbœ Kiæb| wPÎ : †bUIqv‡K©i wcÖ›UviwU GLvb †_‡K Avcwb wWdë wcÖ›Uvi wn‡m‡e †mU Ki‡Z cv‡ib| GLv‡b e‡j ivLv fv‡jv †h, Acv‡iwUs wm‡÷‡gi wfbœZvi Rb¨ Dc‡iv³ †mUAvc DB‡Ûvi AvK…wZ Ges wb‡`©kbvi g‡a¨ wKQyUv ZviZg¨ _vK‡Z cv‡i| †dvìvi Ges wW¯‹ †kqvwis (Folder and Disk Sharing) DB‡ÛvR G·wc-‡Z nvW© wW¯‹, d¬wc, wmwW WªvBf Ges †dvìvi ‡kqvwis Gi Rb¨ Awfbœ c×wZ e¨envi Kiv nq| Avcwb †Kvb †dvìvi ev wW¯‹ †jvKvj BDRvi A_©vr GKB Kw¤úDUv‡ii Ab¨vb¨ BDRvi Ges †bUIqvK©fy³ Acivci BDRvi‡`i g‡a¨ †kqvi Ki‡Z cv‡ib| Z‡e G `yÕai‡Yi †kqvwis Gi Rb¨ Avcbv‡K GKB DB‡Ûv e¨envi Ki‡Z n‡e| †dvìvi ev wW¯‹ †kqvwis Gi wewfbœ avc Gevi eY©bv Kiv n‡”Q- K) ‡Kvb †dvìvi ev WªvBf †kqvi Kivi Rb¨ cÖ_‡g GwU wm‡j± Ki‡Z n‡e| Gici †dvìvi ev wW‡¯‹i Ici gvD‡mi Wvb wK¬K K‡i cc-Avc †gby¨ †_‡K Sharing and Security A_ev Properties KgvÛwU wm‡j± Kiæb| G ch©v‡q Avcbvi mvg‡b H wW¯‹ ev †dvìv‡ii Properties DB‡ÛvwU Avm‡e| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 95.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  95 L) Gevi Properties DB‡Ûvi Sharing U¨vewU wm‡j± Kiv n‡jv| hw` wi‡mvm© (†dvìvi, dvBj ev wW¯‹) GKB Kw¤úDUv‡ii Ab¨vb¨ BDRvi‡`i g‡a¨ †kqvi Ki‡Z Pvb, Zvn‡j Local Sharing and Security AckbwU wm‡j± Kiæb, Avi hw` wi‡mvm©wU †bUIqvK©fy³ Ab¨vb¨ K¬v‡q›U ev †nv‡÷i Rb¨ †kqvi Ki‡Z Pvb Zvn‡j Network Sharing and Security AckbwU wm‡j± Kiæb| G D`vni‡Y Avgiv wØZxq Ackb A_©vr Network Sharing and Security e¨envi K‡iwQ| wi‡mvm© †kqvwis Gi mgq Avcbv‡K g~jZ: `y‡Uv KvR Ki‡Z n‡e| Gi GKwU n‡”Q †kqv‡ii GKwU bvg w`‡Z n‡e,hv‡Z K‡i G‡K Avcwb Lye mn‡RB mbv³ Ki‡Z cv‡ib, wØZxqZ: †bUIqvK© BDRvi‡`i Avcwb G wi‡mvm©fy³ dvBjmg~n cwieZ©b Ki‡Z Aby‡gv`b w`‡eb wKbv GwU †PK e‡·i gva¨‡g e‡j w`‡Z n‡e| Ic‡ii ewY©Z cÖwµqvi gva¨‡g Avgiv nvW© wW‡¯‹i E: cvwU©kb, d¬wc wW¯‹, wmwW ig Ges GKwU †dvìvi †kqvi K‡iwQ| †kqvi Kivi ci G¸‡jv Ab¨vb¨ wi‡mvm© †_‡K Avjv`vfv‡e wPwýZ n‡e| †kqviK…Z wi‡mvm©mg~‡ni AvBKb ev bv‡g wb‡P Avcwb GKwU nv‡Zi Qwe †`L‡Z cv‡eb| wb‡Pi Qwe‡Z †kqviK…Z wi‡mvm©¸‡jv †`Lv‡bv n‡jv| w w w .fb.com /tanbir.cox
  • 96. 96  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  M) †bUIqv‡K© ‡h mg¯Í wi‡mvm© †kqvi Kiv Av‡Q Zvi ZvwjKv †`L‡Z PvB‡j Avcwb My Network Places DB‡Ûvi Aax‡b Shared Documents G wK¬K Kiæb| GwU ïay Avcbvi Kw¤úDUviB bq eis †bUIqvK©fy³ Ab¨vb¨ Kw¤úDUv‡i †h mKj wi‡mvm© †kqvi Kiv Av‡Q Zvi ZvwjKv cÖ`k©b Ki‡e| cv‡ki Qwe‡Z G ai‡Yi wi‡mvm©mg~‡ni GKwU ZvwjKv †`Lv‡bv n‡jv| WªvBf g¨vwcs (Drive Mapping) †bUIqvK©fy³ Ab¨ ‡Kvb Kw¤úDUv‡i Ggb †Kvb †kqviW wW¯‹ ev †dvìvi _vK‡Z cv‡i hv Avcbv‡K cÖvq:kB e¨envi Ki‡Z nq| G ai‡Yi eûj e¨eüZ wi‡mvm© evi evi Network Neighborhood ev Network Place G wM‡q †mwU G¨vK‡mm Kiv weiw³Ki g‡b n‡Z cv‡i| H wi‡mvm©wU hw` Avcbvi Kw¤úDUv‡i g¨vc K‡i †bb, Zvn‡j Kw¤úDUvi Pvjy Kivi ci †mwU GKwU WªvBf wn‡m‡e Kw¤úDUvi cÖ`k©b Ki‡e| Gfv‡e Abvqv‡m †bUIqv‡K©i Ab¨vb¨ Kw¤úDUv‡ii †kqviW wi‡mvm© (wW¯‹ Ges †dvìvi) Avcbvi Kw¤úDUv‡i GKwU WªvBf wn‡m‡e wPwýZ n‡e| Avjv`vfv‡e G wi‡mvm©mg~n Avcbv‡K G¨vK‡mm Ki‡Z n‡e| WªvBf g¨vwcs Gi gva¨‡g †kqviW wi‡mvm© G¨vK‡mm GKw`‡K †hgb Kg mgq cÖ‡qvRb nq, Ab¨w`‡K Gi Rb¨ AwZwi³ †Kvb cÖ‡PóviI (Efforts) cÖ‡qvRb nq bv| Gevi WªvBf g¨vwcs Gi wewfbœ avc¸‡jv eY©bv Kiv n‡”Q- K) cÖ_‡g Network Conections Pvjy Kiæb| Gevi wb‡Pi wP‡Îi g‡Zv Tools †gby¨ †_‡K Map Network Drive mve †gby¨ wm‡j± Kiæb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 97.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  97 L) †bUIqvK©fy³ Ab¨ †h Kw¤úDUv‡ii wi‡mvm© Avcwb g¨vc Ki‡Z Pv‡”Qb †mwU eªvDR K‡i wm‡j± Kiæb| Av‡jvP¨ D`vni‡Y Avgiv Workgroup Gi AvIZvq Reza_lap bv‡gi Kw¤úDUv‡ii Net_Book_07_07_lap bvgK †dvìviwU g¨vwcs Gi Rb¨ wm‡j± K‡iwQ| g¨vwcs Gi Rb¨ †dvìvi wPwýZ Kivi welqwU wb‡Pi Qwe‡Z †`Lv‡bv n‡jv| M) †h bv‡g ev WªvBf †jUvi AvKv‡i GB †dvìviwU Avcbvi Kw¤úDUv‡i cÖ`wk©Z n‡e Zv Drive Ackb e· †_‡K wbw`©ó K‡i w`b| G D`vniY Avgiv WªvBf †jUvi wn‡m‡e Z: wbw`©ó K‡iwQ| G †kqviW WªvBfwU Kw¤úDUvi jM A‡bi mgq cyb:mshy³ n‡e wKbv †mwU †PK e‡·i gva¨‡g wm‡j± K‡i w`b| w w w .fb.com /tanbir.cox
  • 98. 98  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  N) G mgq Avcbvi Kw¤úDUvi †bUIqvK© WªvBfwU g¨vc ev mbv³ Kivi cÖ‡Póv Pvjv‡e| G cÖwµqvwU m¤úbœ Kivi Rb¨ wKQyUv mg‡qi cÖ‡qvRb n‡Z cv‡i| O) Gevi Avcbvi Kw¤úDUv‡ii My Computer DB‡ÛvwU I‡cb Kiæb| GLv‡b m`¨ g¨vcK…Z †dvìvi ev WªvBfwU (Z:) †bUIqvK© WªvBfm Gi Aax‡b †`L‡Z cv‡eb| Avcwb †bUIqvK© WªvBf Gi ms‡hvM wew”Qbœ Ki‡Z PvB‡j Tools †gby¨ †_‡K Disconnect Network Drive mve‡gby¨ e¨envi Ki‡Z cv‡ib| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 99.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  99 †bUIqvK© Uªvejï¨wUs Network Troubleshooting GKwU †bUIqvK©‡K mwµq I mPj ivL‡Z GWwgwb‡÷ªUi‡K cÖwZwbqZ bvbv iKg e¨e¯’v MÖnY Ki‡Z nq| G‡`i g‡a¨ Ggb wKQy mgm¨v Av‡Q hv cÖvq cÖwZw`bB gv_v e¨v_vi KviY n‡q `uvovq| cÖwZwU †bUIqv‡K©iB wbR¯^ KbwdMv‡ikb Ges ˆewkó¨ Av‡Q| Z‡e wbæewY©Z mgm¨v cÖvq cÖwZwU †bUIqv‡K©i †ejvqB cÖ‡hvR¨| cÖ_‡g Avgiv G ai‡bi mvaviY mgm¨v wb‡q Av‡jvPbv Ki‡ev Ges ciewZ©‡Z †`L‡ev G¸‡jv wKfv‡e mn‡R mgvavb Kiv hvq| †bUIqvK© mgm¨vi mgvavb cÖwµqvq wK wK Uzjm e¨envi Kiv n‡Z cv‡i †m wel‡qI Av‡jvKcvZ Kiv n‡e| mvaviY †bUIqvK© mgm¨v (Common Network Problem) t †bUIqv‡K© cÖvqkB mgm¨vi KviY nq Ggb Bmy¨mg~n n‡”QÑ K) wdwRK¨vj wgwWqv L) †bUIqvK© B›Uvi‡dm KvW© ev wbK M) wbK KbwdMv‡ikb c¨vivwgUvi N) †bUIqvK© †cÖv‡UvK‡j Awgj O) †bUIqvK© Kb‡Rkb ev RU P) m¤cÖPvi So Q) ˆe`¨ywZK mgm¨v R) mvf©vi mgm¨v DcwiD³ mgm¨vmg~n wb‡q Gevi we¯ÍvwiZfv‡e Av‡jvPbv Kiv hvKÑ K) wdwRK¨vj wgwWqv (Physical Media) t †Kvb †bUIqv‡K©i wdwRK¨vj wgwWqv ej‡Z K¨vej, Kv‡bKUi, nve, B›Uvi‡dm KvW© BZ¨vw`‡K †evSv‡bv n‡q _v‡K| G mKj wdwRK¨vj wgwWqv AvNvZ ev Pv‡c †f‡½ ev weK…Z n‡q †h‡Z cv‡i| d‡j †bUIqvK© ms‡hvM ev Kv‡bKwUwfwU‡Z †Kvb cÖKvi mgm¨v †`Lv w`‡jB G mKj wWfvBm mv‡_ mv‡_ cixÿv K‡i †`Lv DwPZ| w w w .fb.com /tanbir.cox
  • 100. 100  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  D`vniY¯^iƒc †bUIqvK© K¨ve‡ji †Kv_vI wew”Qbœ ev mU© n‡q †M‡j Zv GKwU IqvK©‡÷kb A_ev cy‡iv †bUIqvK© †mM‡g‡›Ui Kv‡bKwUwfwU wew”Qbœ Ki‡Z cv‡i| Z‡e cy‡iv welqwU wbf©i Ki‡Q H wew”Qbœ n‡q hvIqv K¨ve‡ji Ae¯’v‡bi Dci| †bUIqvK© †_‡K †Kvb IqvK©‡÷kb wew”Qbœ n‡q †M‡j GWwgwb‡÷ªUi cÖ_‡gB cixÿv K‡i †`L‡eb H mgm¨v AvµvšÍ IqvK©‡÷kbwU‡K| G‡ZB wZwb wbwðZ n‡q hv‡eb mgm¨vwU wK IqvK©‡÷k‡bi wbR¯^ A_ev Gi mv‡_ mshy³ K¨ve‡j| Gici wZwb Ab¨vb¨ fvix WvqvM‡bvwmm Kv‡R †hgb Kw¤úDUvi cyb:KbwdMvi Kiv, †bUIqvK© B›Uvi‡dm KvW© cwieZ©b, WªvBfvi cwieZ©b/Avc‡MÖW BZ¨vw`‡Z nvZ w`‡eb| †bUIqvK© GWwgwb‡÷ªU‡ii Kv‡Q hw` AwZwi³ †Kvb IqvK©‡÷kb (†bUIqvK© B›Uvi‡dm KvW©mn) _v‡K Zvn‡j wZwb Gi mvnv‡h¨ K¨vej wVK Av‡Q wK bv cixÿv K‡i †`L‡Z cv‡ib| GB AwZwi³ IqvK©‡÷kbwU hw` wVKg‡Zv mvf©v‡i mshy³ n‡Z cv‡i Zvn‡j eyS‡Z n‡e mgm¨v K¨ve‡j bq eis H cixÿvaxb IqvK©‡÷k‡bB| †bUIqv‡K© wdwRK¨vj wgwWqvi Kvi‡Y †Kvb mgm¨v m„wó n‡j Zv wPwýZKiY I wbim‡b wb‡Pi c×wZ¸‡jv e¨envi Kiv †h‡Z cv‡iÑ 1| †bUIqvK© K¨vej k³fv‡e B›Uvi‡dm Kv‡W©i mv‡_ mshy³ Av‡Q wK bv cixÿv K‡i †`Lyb| K¨vej Kv‡b±‡ii Ae¯’vI Gi mv‡_ †`‡L wbb| wewfbœ Kvi‡Y K¨vej Kv‡bKUi AvjMv n‡q †h‡Z cv‡i| 2| wbwðZ n‡q wbb Avcbvi K¨ve‡ji wba©vwiZ `~iZ¡ AwZµg K‡i‡Qb wK bv| cÖwZwU K¨ve‡jiB GKwU wbw`©ó `~i‡Z¡ wmMb¨vj enb K‡i wb‡q hvevi ÿgZv Av‡Q| H `~i‡Z¡i evB‡i †M‡jB wmMb¨v‡ji gv‡bi AebwZ N‡U| wb‡Pi †Uwe‡j wewfbœ ai‡bi K¨vej Ges Gi WvUv enb K‡i wb‡q hvevi `~iZ¡ †`qv n‡jvÑ K¨ve‡ji aib wmMb¨vj en‡bi m‡ev©”P `~iZ¡ K) w_b‡bU †Kv-Gw·qvj 185 wgUvi L) w_K‡bU †Kv-Gw·qvj 500 wgUvi M) AveiYwenxb UzB‡÷W †cq¨vi ev BDwUwc 100 wgUvi N) AveiYhy³ UzB‡÷W †cq¨vi ev GmwUwc 100 wgUvi O) AcwUK¨vj dvBevi 2 wK‡jv wgUvi Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 101.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  101 3| UvBg †Wv‡gBb wi‡d¬K‡UvwgUvi (Time Domain Reflectometer) w`‡q cixÿv K‡i †`Lyb K¨ve‡ji †Kv_vI kU© n‡q Av‡Q ev †f‡½ †M‡Q wK bv| †`Iqvj ev K¨vwe‡b‡Ui ga¨ w`‡q hLb K¨vej AwZµg K‡i ZLb G ai‡bi mgm¨v m„wó n‡Z cv‡i| 4| cy‡iv †bUIqv‡K© GKB ai‡bi K¨vej e¨envi Kiæb| wewfbœ ai‡bi K¨vej GKB †bUIqv‡K© e¨envi Ki‡Z n‡j we‡kl wWfvBm †hgb ivDUvi, eªxR BZ¨vw` ms‡hvR‡bi cÖ‡qvRb nq| 5| Uvwg©‡bUvi¸‡jv cixÿv K‡i wbwðZ †nvb †h G¸‡jvi Kvi‡Y †bUIqv‡K© gvÎvwZwi³ †iva (Resistance) co‡Q wK bv| L) †bUIqvK© B›Uvi‡dm KvW© ev wbK ( Network Interface Card -NIC ) t †bUIqvK© mgm¨v AvµvšÍ nevi wcQ‡b Av‡iKwU Ab¨Zg cÖavb KviY n‡”Q ÎæwUc~Y© wbK| wbK-‡K mvd‡j¨i mv‡_ KvR Ki‡Z n‡j `y‡Uv kZ© Aek¨B cvjb Ki‡Z n‡e|  B›Uvi‡dm KvW©wU‡K Aek¨B k³fv‡e gv`vi‡ev‡W©i (Motherboard) wba©vwiZ ¯ø‡U (Slot) AvUKv‡Z n‡e|  B›Uvi‡dm Kv‡W©i mv‡_ mvgÄm¨c~Y© Ggb mdU&Iq¨vi WªvBfvi Bb÷j Ki‡Z n‡e Ges G‡K †bUIqvK© AvwK©‡UKPv‡ii mv‡_ gvbvbmB K‡i KbwdMvi Ki‡Z n‡e| AwaKKvj a‡i e¨envi, cvwicvwk¦©K cÖwZwµqv, Ae¨vnZ e¨env‡ii d‡j gv‡S g‡a¨ †bUIqvK© KvW© Zvi ¯^vfvweK Kg©KvÛ ¯’wMZ K‡i †`q| wKš‘ KbwdMv‡ik‡b fyj ev Acv‡iwUs wm‡÷‡gi mv‡_ K¤ú¨vwUwewjwU mgm¨vi Kvi‡Y †bUIqvK© KvW© G‡Kev‡iB APj n‡q c‡o| †bUIqvK© KvW©RwbZ mgm¨v wPwýZKiY I wbim‡b wb‡æv³ welq¸‡jv cixÿv-wbixÿv K‡i †`Lv †h‡Z cv‡i- 1| †bUIqvK© Kv‡W©i wcQ‡bi w`‡K jvBU R¡j‡Q wK bv? mvaviYZ †bUIqvK© Kv‡W©i wcQ‡bi †kl w`‡K GKwU ev `yÕwU Wv‡qvW jvBU (LED-Light Emitting Diode) _v‡K| Gi GKwU n‡”Q wj¼ jvBU (Link Light)| Kv‡W© †bUIqv‡K©i mv‡_ ms‡hvM †c‡j GB jvBUwU R¡j‡e| wØZxq jvBUwU n‡”Q UªvÝwgkb jvBU (Transmission Light)| KvW© hLb †bUIqv‡K©i mv‡_ WvUv Av`vb-cÖ`vb K‡i ZLb GB jvBUwU Ab/Ad (On / Off) n‡Z _v‡K| Kv‡W©i mv‡_ †bUIqv‡K©i ms‡hvM bv _vK‡j †Kvb jvBUB R¡j‡e bv| w w w .fb.com /tanbir.cox
  • 102. 102  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  2| †bUIqv‡K©i ¯^vfvweK Kg©KvÛ‡K cÖfvweZ Ki‡Z cv‡i Ggb †Kvb G¨vwcø‡Kkb †cÖvMÖvg m¤cÖwZ Bb÷j Kiv n‡q‡Q wK bv? Ggb wKQy G¨vwcø‡Kkb †cÖvMÖvg Av‡Q †h¸‡jv wm‡÷‡g †bUIqv‡K©i mv‡_ KvR Ki‡Z wbR¯^ WªvBfvi (Driver) Bb÷j K‡i †bq| GB WªvBfvi Avcbvi eZ©gvb †bUIqvK© hv Acv‡iwUs wm‡÷‡gi fvm©‡bi mv‡_ mvgÄm¨c~Y© bvI n‡Z cv‡i| 3| Network Control Panel †_‡K cixÿv K‡i †`Lyb we`¨gvb †bUIqvK© WªvBfviwU †Kvb Zvwi‡L Bb÷j Kiv n‡q‡Q| ZvwiL Lye Av‡Mi n‡j B›Uvi‡dm KvW© wbg©vZvi KvQ †_‡K me©‡kl fvm©‡bi WªvBfvi msMÖn K‡i Zv Bb÷j Kiæb| G‡Z B›Uvi‡dm KvW© msµvšÍ mgm¨vi mgvavb n‡Z cv‡i|  g‡Wg m¤úwK©Z mgm¨v Ges Gi mgvavb t g‡WgÕGi mgm¨v wbY©‡qi Rb¨ mvaviYZ: Avjv`v †Kvb wW¯‹ ev Uzj e¨envi Kiv nq bv| DB‡ÛvR Acv‡iwUs wm‡÷‡gi cÖvq mKj fvm©‡bB (†hgb DB‡ÛvR 95/98/2000, wg‡jwbqvg GwWkb) GKwU weë-Bb KwgDwb‡Kkb Uzj _v‡K g‡Wg cixÿv K‡i †`Lvi Rb¨| GB UzjwU Avcwb cv‡eb K‡›Uªvj c¨v‡b‡ji Modem Applet Gi g‡a¨| Gi gva¨‡g Avcwb KwZcq †gŠwjK KgvÛ g‡W‡g cvVv‡Z cv‡ib Ges c`©vq †`L‡Z cv‡ib g‡Wg wKfv‡e Gme Kgv‡Û mvov w`‡”Q| g‡W‡gi mvov †`Iqvi aib Aek¨ wbf©i Ki‡Q g‡W‡gi UvB‡ci Ici| wPÎ : g‡Wg cixÿv K‡i †`Lvi Rb¨ nvBcvi Uvwg©bvj e¨envi Kiv hvq| Avcwb DB‡ÛvR Gi nvBcvi Uvwg©bvj (HyperTerminal) Uzj ev †cÖvMÖvg e¨envi K‡iI g‡W‡gi mv‡_ mivmwi KwgDwb‡KU Ki‡Z cv‡ib| GRb¨ Avcbv‡K cÖ_‡gB †cÖvMÖvgwU‡K h_vh_fv‡e KbwdMvi K‡i wb‡Z n‡e| g‡Wg cixÿv Kivi Rb¨ e¨envi Kiv nq Ggb wKQy KgvÛ n‡”Q- Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 103.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  103 -AT: g‡Wg wVKg‡Zv KvR Ki‡j G Kgv‡Ûi Dˇi c`©vq OK cÖ`wk©Z n‡e| -ATEIV1: GB KgvÛ wbwðZ Ki‡e g‡W‡gi DËi wVKg‡Zv c`©vq cÖ`wk©Z n‡”Q| -ATDT9988567: g‡Wg †Kvb †dvb bv¤^v‡i wVKg‡Zv Wvqvj Ki‡Z cvi‡Q wKbv Zv cixÿv Kivi Rb¨ GB KgvÛ e¨envi Kiv nq| †Uvb Wvqvwjs-Gi cwie‡Z© cvjm Wvqvwjs e¨envi Kiv n‡j †m‡ÿ‡Î KgvÛ n‡e ATDP9988567| M) wbK KbwdMv‡ikb c¨vivwgUvi (NIC Configuration Parameters )t cÖwZwU †bUIqvK© Kv‡W©i ev wbKÕGi (†bUIqvK© B›Uvi‡dm KvW©) wbR¯^ KbwdMv‡ikb c¨vivwgUvi Av‡Q| wKš‘ †ewkifvM †ÿ‡Î †h mKj c¨vivwgUvi ev †mwUs wb‡q mgm¨v m„wó nq Zv n‡jv AvBAviwKD (IRQ - Interrupt Request) †mwUs, †eR AvB/I †cvU© wVKvbv (Base I/O Part address) Ges †eR †ggix wVKvbv (Base memory address)-Gi †h‡Kvb GKwUi gvb fyj n‡j Zv IqvK©‡÷k‡bi Ab¨ †h‡Kvb wWfvB‡mi mv‡_ ØÜ (Conflict) m„w÷ Ki‡j wbK wVKg‡Zv KvR Ki‡e bv|  GKwU B‡›Uj wfwËK wcwm‡Z 16wU AvBAviwKD (IRQ) _v‡K| G¸‡jv wcwmÕi mv‡_ mshy³ wewfbœ wWfvB‡mi Rb¨ wbw`©ó Kiv _v‡K Ges cÖ‡qvRb gvwdK Giv AMÖvwaKvi wfwˇZ cÖ‡mm‡ii ¯^vfvweK Kg©KvÛ ¯’wMZ K‡i Zvi †_‡K cÖ‡mwms mgq wb‡Z cv‡i|  †eR AvB/I wVKvbv cÖ‡mmi Ges Gi mv‡_ mshy³ Ab¨ mKj wWfvB‡mi g‡a¨ †hvMv‡hv‡Mi gva¨‡g ev †MUI‡q wn‡m‡e KvR K‡i|  †eR †ggwi wVKvbv n‡”Q †ggwii GKwU Ae¯’vb †hLv‡b †bUIqv‡K©I WvUv Av`vb-cÖ`v‡bi Rb¨ GKwU evdvi (Buffer) ivLv Av‡Q| †n·v †Wwmgvj bv¤^vi wn‡m‡e GB wVKvbvwU n‡”Q wW8000| wbK KbwdMv‡ikb msµvšÍ RwUjZvi †ÿ‡Î wb‡æv³ welq¸‡jv cixÿv- wbixÿv K‡i †`Lv †h‡Z cv‡i- 1| IqvK©‡÷k‡bi †bUIqvK© KbwdMv‡ikb wK m¤cÖwZ cwieZ©b Kiv n‡q‡Q? cwieZ©b Kiv n‡j Gi KviY †R‡b wbb Ges c~‡e©Kvi †mwUs wK wQj †mUv †ei Kiæb| w w w .fb.com /tanbir.cox
  • 104. 104  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  2| †bUIqvK© KvW© A‡UvKbwdMvi †gv‡W KbwdMvi Kiv n‡qwQj wK bv? A‡UvKbwdMvi Kiv n‡j †bUIqvK© KvW© †Kvb †Kvb †ÿ‡Î wVKg‡Zv KvR Ki‡Q bv Zv mwVKfv‡e wbiƒcY Kiæb| cÖ‡qvR‡b g¨vbyqvwj KvW©wU KbwdMvi K‡i wbb| 3| Dc‡i ewY©Z wZbwU †gŠwjK c¨vivwgUvi wK Ab¨ †Kvb wWfvBm e¨envi Ki‡Q? G iKg Ae¯’vi m„wó n‡j †bUIqvK© KvW© cyb:KbwdMvi Kiæb Ges mshy³ Ab¨vb¨ wWfvBm AcmviY Kiæb| N) †bUIqvK© †cÖv‡UvK‡j Awgj (Network Protocol Mismatch) †bUIqv‡K© GKwU IqvK©‡÷kb †hvMv‡hvM Ki‡Z n‡j Gi B›Uvi‡dm ev GWvÞvi KvW©‡K Aek¨B Aci cÖv‡šÍi IqvK©‡÷k‡bi †bUIqvK© Kv‡W©i mv‡_ †hŠ_fv‡e GKwU mvaviY †cÖv‡UvKj †mU (Common Set of Protocol) †kqvi Ki‡Z nq| hw`I cÖwZwU †cÖv‡UvK‡ji KbwdMv‡ik‡bi g‡a¨ cv_©K¨ Av‡Q| A‡bK mgq GKwU GKK †bUIqvK© Kv‡W©i mv‡_ A‡bK¸‡jv †bUIqvK© †cÖv‡UvKj‡K KvR Kiv‡Z nq| G cÖwµqv‡K ejv nq eÜb ev 'Binding' z GRb¨ GbwWAvBGm (NDIS-Network Device Interface Specification) ev IwWAvB (ODI-Open Data Link Interface) †cÖv‡UvKj ÷¨vK e¨envi Ki‡Z nq| †bUIqvK© Kv‡W©i mgm¨v wPwýZ Ki‡Z wM‡q hw` †`Lv hvq G‡Z KbwdMv‡ikb ev g¨vKvwbK¨vj †Kvb ÎæwU †bB Zvn‡j eyS‡Z n‡e G‡Z †cÖv‡UvKj mv‡cvU© msµvšÍ Sv‡gjv Av‡Q| GKwU IqvK©‡÷kb‡K hw` †bv‡fj †bUIq¨v‡ii AvBwcG·/ GmwcG· †cÖv‡UvK‡ji Rb¨ KbwdMvi Kiv nq Zvn‡j †m mdjfv‡e KLbB wUwmwc/ AvBwc †cÖv‡UvK‡ji mvnv‡h¨ KbwdMviK…Z dvBj mvf©v‡ii mv‡_ †hvMv‡hvM Ki‡Z cvi‡e bv| †h †bUIqvK© cwi‡e‡k GKvwaK mvf©vi cøvUdg© †hgbÑ BDwb·, wjbv·, †bv‡fj †bUIq¨vi, DB‡ÛvR GbwU /2000 mvf©vi i‡q‡Q †mLv‡b †cÖv‡UvKjRwbZ mgm¨v wbY©‡q wb‡æv³ welq¸‡jvi cÖwZ ¸iæZ¡ †`qv cÖ‡qvRb| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 105.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  105 1| IqvK©‡÷kb wK BwZc~‡e© mvf©v‡ii mv‡_ mshy³ n‡Z †c‡iwQ‡jv Ges eZ©gv‡b GwU †m ÿgZv wK nvwi‡q‡Q A_ev IqvK©‡÷kb mvf©v‡ii mv‡_ KLbB mdjfv‡e mshy³ n‡Z cv‡i wb? GgZe¯’vq †bUIqvK© K‡›Uªvj c¨v‡bj †_‡K cixÿv K‡i †`Lyb IqvK©‡÷k‡b wK ai‡bi †cÖv‡UvKj Bb÷j Kiv Av‡Q| †h †cÖv‡UvKj Bb÷j Kiv Av‡Q †m¸‡jv wK †bUIqvK© B›Uvi‡dm Kv‡W©i mv‡_ mvgÄm¨c~Y© ? bv n‡j †bUIqvK© KvW©‡K mv‡cvU© K‡i Ggb †cÖv‡UvKj bZzb K‡i Bb÷j Kiæb| 2| Bb÷jK…Z †cÖv‡UvK‡ji mKj KbwdMv‡ikb c¨vivwgUvi mwVKfv‡e c~Y© Kiv n‡q‡Q wK bv? †hgb wUwmwc/AvBwc †cÖv‡UvKj my¨B‡Ui †ÿ‡Î †h mKj c¨vivwgUvi emv‡Z nq Zv n‡jv AvBwc G¨v‡Wªm, mve‡bU gv¯‹ Ges wWdë †MUI‡q wVKvbv| 3| wUwmwc/AvBwc †bUIqv‡K©i †ÿ‡Î IqvK©‡÷kb wK WvqbvwgK¨vwj AvBwc G¨v‡Wªm (wWGBPwmwcÕi gva¨‡g) cv‡”Q? †c‡q _vK‡j cÖwµqvwU wVKg‡Zv KvR Ki‡Q wK bv Zv cixÿv K‡i †`Lyb| 4| wUwmwc/AvBwc †bUIqv‡K©i †ÿ‡Î †bUIqvK© †mM‡g‡›Ui Rb¨ wWGbGm AvBwc (DNS IP) G¨v‡Wªm mwVKfv‡e †jLv n‡q‡Q wK bv Zv wbwðZ †nvb| 5| AvBwcG·/GmwcG· (IPX / SPX) †bUIqv‡K©i †ÿ‡Î mwVK †d«g UvBc (Frame Type) e¨envi Kiv n‡q‡Q wK bv Zv cixÿv K‡i wbb| w w w .fb.com /tanbir.cox
  • 106. 106  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : h_vh_ WvUv †d«g UvBc wbe©vPb Kiv n‡”Q| O) †bUIqvK© Kb‡Rkb (Network Congestion) t GKwU †bUIqvK© †mM‡g›U ev cy‡iv †bUIqv‡K© `ye©j cvidi‡gÝ ev `ÿZv n‡”Q †bUIqvK© Kb‡Rk‡bi cÖv_wgK jÿY| †bUIqvK© m‡e©v”P e¨env‡ii mgq ev wcK AvIqv‡i (Peak Hours) gv‡S g‡a¨ G ai‡bi Kb‡Rkb n‡Z cv‡i| †Kvb †Kvb †ÿ‡Î GB Kb‡Rkb †bUIqv‡K©i mgq AwZµg nevi ev eqm evovi mv‡_ mv‡_ axiMwZ‡Z m„wó n‡Z cv‡i| Gfv‡e K‡qK gvm ev eQi cvi nevi ci †bUIqv‡K© Amnbxq Kb‡Rkb bR‡i Av‡m| †bUIqvK© Kb‡Rk‡bi ch©vq ev cwigvY Abyaveb Ki‡Z †bUIqvK© gwbUi Ges †bUIqvK© GbvjvBRvi bvgK Uzj‡mi mvnvh¨ †bqv hvq| cy‡iv †bUIqv‡K© KZUzKz e¨vÛDBW_ e¨eüZ n‡q‡Q, †bUIqv‡K©i m‡e©v”P e¨env‡ii mgqKvj, wK cÖK…wZi WvUv c¨v‡KU †bUIqv‡K©I ga¨ w`‡q PjvPj Ki‡Q BZ¨vw` Z_¨ †bUIqvK© gwbUi †_‡K Rvbv hvq| †bUIqv‡K©i †Kvb †mM‡g›U ev Ask w`‡q me‡P‡q †ewk cwigvY WvUv UªvwdK Ae¨vnZ wQ‡jv ev †Kvb As‡k WvUv cÖev‡n mgm¨v n‡q‡Q BZ¨vw` Z_¨ †bUIqvK© GbvjvBRvi w`‡q mn‡RB e¨vL¨v Ges Zv cwigvc Kiv m¤¢e| †bUIqvK© Kb‡Rkb msµvšÍ mgm¨v wbiƒc‡Y wb‡æv³ avc¸‡jv AbymiY Kiv †h‡Z cv‡iÑ Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 107.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  107 1| mgm¨vwU m¤cÖwZ mg‡q †`Lv w`‡q‡Q bv GwU wbqwgZ GKwU welq n‡q `vwo‡q‡Q? †bUIqvK© Kb‡Rkb g~jZ: `ye©j †bUIqvK© wWRvB‡bi wb‡`©kK Ges G mgm¨vi myôz mgvav‡bi Rb¨ cy‡iv †bUIqvK© wWRvBb †X‡j mvRv‡bv cÖ‡qvRb| 2| GKwU AvBwc G¨v‡Wªm †_‡K eo bv¤^vi wewkó WvUv c¨v‡KU¸‡jv wb‡q cixÿv K‡i †`Lyb| †bUIqvK© KvW© wVKg‡Zv KvR bv Ki‡j GwU B‡”Qg‡Zv AcÖ‡qvRbxq Ges eo AvKv‡ii Mvi‡eR (Garbage) WvUv c¨v‡KU †bUIqv‡K© cvVv‡Z _v‡K| 3| m¤cÖwZ †bUIqv‡K© bZzb †Kvb G¨vwcø‡Kkb Bb÷j Kiv n‡q‡Q wK bv Zv cixÿv Kiæb| K¬v‡q›U mvf©vi (Client / Server) wfwËK G¨vwcø‡Kkb cÖPzi cwigvY WvUv c¨v‡KU Drcbœ K‡i Ges †m¸‡jv †bUIqvK© UªvwdK‡K cÖwZwbqZB fvix K‡i †Zv‡j| 4| †bUIqvK© e¨enviKvixi msL¨v m¤cÖwZKv‡j †e‡o‡Q wK bv? e¨enviKvixi msL¨v A¯^vfvweK cwigv‡Y evo‡j Zv mvgvj w`‡Z †bUIqv‡K©i ÿgZvI †mB nv‡i evwo‡q w`‡Z n‡e| 5| †bUIqv‡K©i ga¨ w`‡q †Kvb †Kvb †cÖv‡UvKj wfwËK WvUv c¨v‡KU PjvPj K‡i? †bUIqv‡K© e¨eüZ †cÖv‡UvK‡ji msL¨v KZ? †bUIqvK© UªvwdK me©wbæ ivL‡Z n‡j h_vm¤¢e ¯^í msL¨K †cÖv‡UvKj e¨envi Kiv DwPZ| 6| †bUIqv‡K© †bUeyB (NetBEUI) †cÖv‡UvKj mwµq ev dvskbvj wK bv ? P) m¤cÖPvi So (Broadcast Storms) t †bUeyB GKwU WvUv c¨v‡KU eªWKv÷ Drmvnx (Broadcast Intensive) †cÖv‡UvKj| †bUIqv‡K© †bUeyB eªWKv÷ Kgv‡Z DBbm (Wins) mvf©vi e¨envi Kiæb A_ev †bUev‡qvm‡K (NetBtos) wUwmwc/AvBwc ev AvBwcG· Gi ga¨ w`‡q Uv‡bj (Tunnel) K‡i †bUeyBÕGi cÖfve m¤ú~Y©iƒ‡c cwinvi Kiæb| w w w .fb.com /tanbir.cox
  • 108. 108  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : ÎæwUc~Y© †bUIqvK© B›Uvi‡dm KvW© : m¤cÖPvi S‡oi cÖavb KviY| m¤cÖPvi So ev eªWKv÷ ÷ªg Ggb GKwU cwiw¯’wZ ev Ae¯’v hvi D™¢e nq ZLbB hLb AwZwi³ msL¨K eªWKv÷ WvUv c¨v‡KU †bUIqv‡K©i e¨envi‡hvM¨ cy‡iv e¨vÛDBW_ (Bandwidth) `Lj K‡i iv‡L| G ai‡bi cwiw¯’wZ‡Z †bUIqv‡K©i Kg©`ÿZv fxlYfv‡e K‡g Av‡m| †bUIqvK© KvW© Ges nve mgm¨v AvµvšÍ n‡j eªWKv÷ ÷ªg m„wó n‡Z cv‡i| †bUeyB †cÖv‡UvKj Øviv wWRvBb Kiv Ggb †bUIqv‡K© hLb AwZwi³ cwigvY WvUv c¨v‡KU eªWKv÷ n‡Z _v‡K ZLbB †bUIqv‡K© eªWKv÷ ÷ªg †`Lv w`‡Z cv‡i| †Kvb wWfvB‡mi Kvi‡Y hw` eªWKv÷ ÷ªg †`Lv †`q Zv n‡j †cÖv‡UvKj GbvjvBRv‡ii mvnv‡h¨ †mwU wPwýZ Kiv hvq Ges mgm¨vgy³ Ab¨ GKwU wWfvBm w`‡q †mwU cÖwZ¯’vcb Kiv hvq| †h‡nZz ivDUvi eªWKv÷ UªvwdK UªvÝwgU K‡i ZvB †bUIqv‡K©i Af¨šÍ‡i ivDUvi Ges ivDU¨vej †cÖv‡UvKj e¨envi K‡i eªWKv÷ ÷ª‡gi cÖfve Kwg‡q Avbv hvq| Q) ˆe`y¨wZK mgm¨v (Power Problems) t nVvr K‡i we`y¨rcÖevn eÜ n‡q †M‡j †bUIqvK© Z_v H ¯’v‡bi wcwmmn Ab¨vb¨ B‡jKUªwbK hš¿cvwZi Dci gvivZ¡K cÖfve c‡o| wVK GKBfv‡e hw` nVvr K‡i we`y¨r P‡j hvq Ges G‡Z cÖv_wgK Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 109.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  109 mvR© (Surge) ev AZ¨vwaK cÖevn _v‡K Zv n‡j †mwUI †bUIqv‡K©i Rb¨ ÿwZKi| GB nVvr K‡i we`y¨r P‡j hvIqv Ges mvR© cÖevn †_‡K †bUIqvK©-‡K myiÿv Ki‡Z h_vh_ e¨e¯’v †bqv Avek¨K | wPÎ : DB‡ÛvR 2000 mvf©v‡i BDwcGm †mwUs| †bUIqvK© I Kw¤úDUvi‡K ˆe`y¨wZK mgm¨v †_‡K iÿv Ki‡Z eûjfv‡e BDwcGm (UPS - Uninterrupted Power Supply) e¨eüZ n‡q Avm‡Q| we`y¨rcÖevn eÜ n‡q †M‡j BDwcGm wKQyÿ‡Yi Rb¨ (15 wgwbU †_‡K 30 wgwbU ev Zvi †ewk mgq, GwU wbf©i Ki‡Q BDwcGmÕGi ÿgZvi Dci) mieivn Ae¨vnZ iv‡L, d‡j mvf©vi, IqvK©‡÷kb BZ¨vw`‡K ¯^vfvweK wbqggvwdKfv‡e eÜ Kiv hvq| †Kvb †Kvb BDwcGm mvf©v‡ii mv‡_ B›Uvi‡dm Kiv hvq d‡j nVvr K‡i we`y¨r mgm¨v ïiæ n‡j mvf©vi BDwcGm †_‡K wmMb¨vj †c‡q wm‡÷g wbqgZvwš¿K Dcv‡q eÜ K‡i w`‡Z cv‡i| †bUIqvK©fy³ Awd‡m hLb †KD _v‡K bv ZLb BDwcGm ÕGi GB wdPviwU AZ¨šÍ djcÖm~ nq| †Kvb †Kvb BDwcGm-G Avevi jvBb KwÛkwbs (Line Conditioning)- Gi e¨e¯’v Av‡Q| GB wdPviwU we`y¨r cÖevn me©`v w¯’i (Constant) iv‡L| G‡Z we`y¨r DVvbvgv ev mvR© †fv‡ë‡Ri Kvi‡Y cÖev‡ni †Kvb ZviZg¨ nq bv| AwaKvsk †ÿ‡ÎB †`Lv †M‡Q we`y¨rcÖev‡ni A¯^vfvweKZvi Kvi‡YB wcwmÕi we`y¨r mieivn BDwbU (Power w w w .fb.com /tanbir.cox
  • 110. 110  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  Supply Unit), nvW©wW· Ges gv`vi‡evW© gvivZ¡Kfv‡e ÿwZMÖ¯’ nq| BbwUwj‡R›U BDwcGm e¨env‡ii gva¨‡g GB ¸iæZ¡c~Y© wWfvBm¸‡jv iÿv Kiv hvq| wPÎ : wcwmÕi we`y¨r mieivn BDwbU Gi mgm¨v cy‡iv †bUIqvK©‡K APj Ki‡Z cv‡i| AwaKvsk cÖwZôvb ïaygvÎ mvf©v‡ii mv‡_ `vgx BDwcGm e¨envi K‡i| wKš‘ Gi cvkvcvwk Ab¨vb¨ †bUIqvK© Dcv`vb †hgb wcÖ›Uvi, nve, ivDUvi BZ¨vw`‡KI A¯^vfvweK we`y¨rcÖev‡ni nvZ †_‡K myiÿv cÖ`vb Kivi Rb¨ GKB ai‡bi e¨e¯’v †bqv DwPZ| †bUIqv‡K©i mvwf©m me©`v mPj ivLvi Rb¨ GwU GKwU c~e©kZ©| R) mvf©vi mgm¨v (Server Problems) t mwZ¨Kvi A‡_© mvf©vi n‡”Q GKwU †bUIqv‡K©i cÖvY| we‡kl K‡i K¬v‡q›U mvf©vi wfwËK †bUIqv‡K© mvf©v‡i †Kvb cÖKvi mgm¨v n‡jB Zvi cÖfve wM‡q c‡o cy‡iv †bUIqv‡K©| mvf©v‡ii Kvi‡Y m¤¢ve¨ †h mKj mgm¨v m„wó n‡Z cv‡i Zv n‡”QÑ  ch©vß cÖ‡mwms ÿgZvi Afve;  ch©vß †ggwi ev ¯§„wZ fvÛv‡ii Afve;  mvf©v‡ii nvW©wW· bó ev µvm (Crash) nIqvi d‡j WvUv ev DcvË nvwi‡q hvIqv; Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 111.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  111 IqvK©‡÷kb †_‡K cÖvß AvB/I Aby‡iva (I/O Request) iÿv, e¨enviKvixi cwiPq D×vi ev ev A‡_bwU‡Kkb (Authentication) BZ¨vw`mn mvf©vi hZ †ewk mvwf©m †bUIqvK©‡K cÖ`vb Ki‡e, wmwcBDÕi ZZ‡ewk cÖ‡mwms ÿgZvi cÖ‡qvRb n‡e| †bUIqv‡K©i Acv‡iwUs wm‡÷g, wewfbœ ai‡bi mvwf©m Ges G¨vwcø‡Kkb †cÖvMÖvgmg~n mwµq _vKvKvjxb mg‡q i¨vg (RAM) ev †ggwi e¨envi K‡i| WvUv‡eR mvf©vi Ges wm‡÷g A‡_bwU‡Kkb I wmwKDwiwUi Kv‡R wb‡qvwRZ Ggb mvf©v‡ii Rb¨I †ggix GKwU ¸iæZ¡c~Y© welq| GRb¨ mvf©v‡ii Kv‡Ri aib we‡ePbv K‡i G‡Z h_vm¤¢e ch©vß †ggwi ms‡hvRb Kiv cÖ‡qvRb| WvUv e¨vKAv‡ci ch©vß e¨e¯’v bv _vK‡j mvf©v‡ii nvW©wW¯‹ µvm GKwU cÖwZôv‡bi Rb¨ fqvbK wec` †W‡K Avb‡Z cv‡i| GRb¨ mvf©v‡i †iBW ch©vq m¤úv`b c~e©K (RAID-5) AšÍZ: wZbwU nvW©wW¯‹ ¯’vcb Kiv cÖ‡qvRb| GQvov eo †bUIqv‡K©i †ÿ‡Î †Uc WªvBf I AwZwi³ mvf©vi e¨env‡ii gva¨‡g WvUv e¨vKAvc †bqv †h‡Z cv‡i| eZ©gv‡b A‡_©i wewbg‡q B›Uvi‡b‡Ui wewfbœ I‡qemvB‡U cÖ`Ë myweavewj Kv‡R jvwM‡q WvUv msiÿY Kiv hvq| Z‡e G‡Z WvUv wbivcËvi welqwU Lye GKUv gReyZ bq e‡j †KD †KD AwfgZ e¨³ K‡ib| S) nvW©Iq¨vi ØÜ (Hardware Conflict) t AvBAviwKD, AvB/I G¨v‡Wªm, wWGgG Ges †ggwi G‡Wªm wm‡÷g wi‡mvm© bv‡g cwiwPZ| G‡`i g‡a¨ †bUIqvK© B›Uvi‡dm KvW© ev wbK, g‡Wg KbwdMvi Kivi Rb¨ cÖ‡qvRb AvBAviwKD I AvB/I G¨v‡Wªm| Z‡e ïaygvÎ wbK Gi Rb¨ wWGgG P¨v‡bj ev †ggwi G¨v‡Wªm KbwdMvi Ki‡Z nq| GKwU wm‡÷g wi‡mvm© GKvwaK wWfvB‡mi g‡a¨ †kqvi Kiv n‡j ev eivÏ cÖ`vb Kiv n‡j H wWfvBm h_vh_fv‡e KvR Ki‡e bv| AvBAviwKD (IRQ) t †Kvb GKwU wbw`©ó AvBAviwKD GKvwaK †bUIqvK© wWfvB‡mi Rb¨ eivÏ Kiv n‡j H wWfvBm¸‡jv h_vh_fv‡e KvR Ki‡Z cv‡i bv| AvBAviwKD (IRQ-Interrupt Request Line) n‡”Q GK ai‡bi nvW©Iq¨vi jvBb hvi gva¨‡g wewfbœ ai‡bi wWfvBm †hgbÑ BbcyU/AvDUcyU †cvU© (Input/Output Port), Kx‡evW© (Keyboard), wW· WªvBf Ges †bUIqvK© B›Uvi‡dm KvW© G‡K Ac‡ii mv‡_ evZ©v wewbgq Ki‡Z cv‡i Ges wewfbœ cÖ‡qvR‡b wmwcBDÕi (CPU-Central Processing Unit) g‡bv‡hvM AvKl©Y K‡i| w w w .fb.com /tanbir.cox
  • 112. 112  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  AvBAviwKD Kw¤úDUvi nvW©Iq¨v‡ii mv‡_ weë-Bb Ae¯’vq _v‡K Ges G¸‡jv‡K wewfbœ ch©v‡qi AMÖvwaKvi (Priority) wba©viY K‡i †`qv nq| AMÖvwaKvi wba©viY Kivi d‡j wmwcBD eyS‡Z cv‡i †Kvb Aby‡ivawU me‡P‡q ¸iæZ¡c~Y© Ges †mg‡Z wmwcBD Zvi cÖ‡mwms K‡›Uªvj Aby‡ivaKvix wWfvB‡m †cÖiY K‡i Ges cÖ‡qvRbxq Kvh©vewj m¤úv`b K‡i| †bUIqvK© B›Uvi‡dm ev GWvÞvi KvW©‡KI GKwU we‡kl AvBAviwKDÕi Rb¨ Av‡MB KbwdMvi K‡i †`qv nq| GKB mvf©v‡i hw` †Kvb Kvi‡Y GKvwaK B›Uvi‡dm KvW© emv‡bv n‡q _v‡K Zv n‡j Zv‡`i AvBAviwKD G‡K Ac‡ii mv‡_ hv‡Z K‡i †Kvb cÖKvi ؇Üi m„wó bv K‡i †m welqwU jÿ¨ ivLv Avek¨K| bx‡P 16wU AvBAviwKD Ges Zv‡`i †gŠwjK dvskb Zz‡j aiv n‡jv| AvBAviwKD (IRQ) b¤^i KvR (Function) 0 UvBgvi (Timer) 1 Kx‡evW© 2 AvBAviwKD 9 Gi mshy³ 3 KwgDwb‡Kkb †cvU© 2 ev 4 (COM2 or COM4) 4 KwgDwb‡Kkb †cvU© 1 ev 3 (COM1 or COM3) 5 LPT2 or MIDI 6 d¬wc wW¯‹ K‡›Uªvjvi 7 LPT1 8 wm‡÷g K¬K 9 AvBAviwKD-2 Gi mv‡_ mshy³ ev mvDÛ KvW© 10 †bUIqvK© B›Uvi‡dm KvW©, cÖvBgvix ¯‹vwR GWvÞvi 11 †m‡KÛvix ¯‹vwR GWvÞvi 12 wcGm/2, jwRw÷K ev evm gvDm 13 g¨v_ cÖ‡mmi (Math Processor) 14 cÖvBgvix AvBwWB nvW©wW¯‹ K‡›Uªvjvi Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 113.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  113 AvBAviwKD (IRQ) b¤^i KvR (Function) 15 wd« ev AwZwi³ AvBwWB (IDE)K‡›Uªvjvi wPÎ : DB‡ÛvR 2000 mvf©vi Acv‡iwUs wm‡÷‡g wewfbœ wWfvBm KZ…©K e¨eüZ IRQ ZvwjKv K¨vcPvi Kiv n‡q‡Q| AvB/I G¨v‡Wªm (I/O Address) t AvBAviwKDÕi ci wØZxq wm‡÷g wi‡mvm© n‡”Q AvB/I G¨v‡Wªm ev †cvU© G‡Wªm| wcwmÕi g‡a¨ cÖ‡Z¨K wWfvB‡miB GKwU ev GKwU wbw`©ó mxgvi AvB/I G¨v‡Wªm _v‡K| GKwU AvB/I G¨v‡Wªm †Kvbµ‡gB GKvwaK wWfvB‡mi g‡a¨ eivÏ Kiv hv‡e bv| Av/BI G¨v‡Wª‡mi gva¨‡gB †Kvb GKwU wWfvB‡mi mv‡_ †hvMv‡hvM Kiv nq| cÖwZwU wWfvB‡mi Rb¨ AvB/I G¨v‡Wªm‡K wbw`©ó Kiv nq Pvi wWwR‡Ui †n·v‡Wwmgvj bv¤^vi Øviv| wb‡Pi G ai‡bi K‡qKwU AvB/I G¨v‡Wª‡mi D`vniY Zzj aiv n‡jv-  0060 Kx-‡evW© Gi Rb¨  01F0 cÖvBgvix nvW© WªvBf K‡›Uªvjvi-Gi Rb¨  03F0 d¬wc WªvBf K‡›Uªvjvi Gi Rb¨ w w w .fb.com /tanbir.cox
  • 114. 114  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wWGgG P¨v‡bj (DMA Channel): hw` †Kvb wcwmÕi GW-Bb KvW© (Add-in Card) ev B›Uvibvj wWfvBm wWGgG (DMA-Direct Memory Address) mv‡cvU© K‡i, Zvn‡j GwU wWGgG K‡›Uªvjvi bvgK wPc Gi we‡kl wdPvi¸‡jv Kv‡R jvMv‡Z cvi‡e| †Kvb wWfvBm wWGgG P¨v‡b‡ji gva¨‡g AvB/I iæ‡Ui Zzjbvq A‡bK †ewk `ªæZ MwZ‡Z WvUv Av`vb-cÖ`vb Ki‡Z cv‡i| wKQy wKQy wbK, mvDÛ KvW©, wW¯‹ K‡›Uªvjvi wWGgG mv‡cvU© K‡i, wKš‘ AwaKvsk B›Uvibvj g‡Wg wWGgG mv‡cvU© K‡i bv| GLv‡b D‡jøL Kiv fv‡jv †h, wWGgG P¨v‡bj n‡”Q GKwU wmMb¨vj hv wWGgG WvUv UªvÝdvi cÖwµqv Pvjy K‡i| GKwU wcwmÕi G ai‡bi 7wU wWGgG P¨v‡bj _v‡K| wPÎ : wewfbœ ai‡bi †bUIqvK© wi‡mvm© eivÏ †mwUs c×wZ| †ggwi G‡Wªm (Memory Address) t PZz_© Ges me©‡kl wm‡÷g wi‡mvm© n‡”Q †ggwi G¨v‡Wªm| KwZcq wbK QvovI wKQy wKQy GW-Bb wWfvBm Av‡Q hviv Zv‡`i wbR¯^ e¨env‡ii Rb¨ †ek wKQy †ggwi (i¨vg) wbw`©ó K‡i iv‡L| †ggwi wbw`©ó K‡i ivLvi G cÖwµqvwU m¤úbœ nq †ggwi G‡Wª‡mi gva¨‡g | cÖwZwU wWfvB‡mi Rb¨ G ai‡bi †ggwi G‡Wª‡mi GKwU Avi¤¢ Ges GKwU Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 115.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  115 †kl wVKvbv ev †jv‡Kkb _v‡K| D`vniY¯^iƒc wfwWI Kv‡W©i †ggwi G‡Wªm n‡”QÑ 000A0000-000AFFFF_Video Memory, msL¨vi cÖ_gw`‡Ki k~Y¨¸‡jv ev` w`‡j G¨v‡Wªm n‡e- A0000-AFFFF_Video Memory †bUIqvK© Uªvejmy¨wUs Uzjm (Network Troubleshooting Tools) t †bUIqv‡K©i mgm¨v msµvšÍ Z_¨msMÖn Ges †mB Z‡_¨i wfwˇZ mgm¨v wbim‡b eZ©gv‡b nvW©Iq¨vi I mdU&Iq¨vi Dfq cÖKv‡ii bvbv ai‡bi Uyjm evRv‡i cvIqv hv‡”Q| Gevi G ai‡bi eûj e¨eüZ KwZcq Uzjm wb‡q Av‡jvPbv Kiv n‡”QÑ K) wWwRUvj †fvë wgUvi (Digital Volt Meter) t wWwRUvj †fvë wgUvi mvaviYZ: wWwfGg (DVM) bv‡g cwiwPZ| GwU GKwU †gŠwjK B‡jKUªwbK †fv‡ëR cwigvcK wWfvBm hv mn‡RB GKwU †iva ev †iwR‡UÝ-Gi Dci Av‡ivwcZ †fv‡ëR gvc‡Z cv‡i| †bUIqvK© cwi‡e‡k wWwRUvj †fvëwgUv‡ii cÖv_wgK e¨envi n‡”Q Zvi ev K¨ve‡ji KbwUwbDwU ev wbiwew”QbœZv (Continuity) cixÿv K‡i †`Lv| hw` K¨ve‡ji GK cÖvšÍ †_‡K Ab¨ cÖv‡šÍ euvavnxb Ae¯’vq we`y¨r cÖevn †c‡i cv‡i Zv n‡j eyS‡Z n‡e H K¨ve‡ji KbwUwbDwU Av‡Q| Avi hw` we`y¨rcÖevn †iva ev euvavi m¤§yLxb nq, Zv n‡j a‡i †bqv n‡e K¨ve‡ji †Kv_vI wew”Qbœ Kiv Av‡Q ev G‡Z †eªK (Break) Av‡Q| K¨ve‡ji †Kv_vq kU© (Short) Av‡Q wK bv Zv wWwRUvj †fvë wgUvi w`‡q cixÿv K‡i †`Lv m¤¢e| †fvë wgUv‡ii GKwU jxW (Lead) K¨ve‡ji Af¨šÍi fv‡Mi g~j Zvi ev †Kv‡i (Core) Ges Aci jxWwU evB‡ii AveiY ev kx‡ì (Shield) ¯’vcb Ki‡Z n‡e| G Ae¯’vq hw` †fvëwgUvi we`y¨rcÖev‡ni cÖgvY cvIqv hvq Zvn‡j eyS‡Z n‡e †Kvi Ges K¨ve‡ji kxì †Kvb GK RvqMvq G‡K Aci‡K ¯úk© K‡i‡Q Ges Gi d‡j kU© (Short) Ae¯’vi m„wó n‡q‡Q| w w w .fb.com /tanbir.cox
  • 116. 116  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  L) †Uvb †jv‡KUi (Tone Locator) t A‡bK mgq †bUIqvK© UªvejmywUs Ki‡Z wM‡q Avcbv‡K GKMv`v †bUIqvK© K¨ve‡ji ga¨ †_‡K ÎæwUc~Y© †cvU© ev K¨vej‡K Avjv`v Ki‡Z n‡Z cv‡i| Avi G KvRwU Kivi Rb¨ Avcbv‡K we‡klfv‡e mvnvh¨ Ki‡Z cv‡i †Uvbvi| †Uvb †jv‡KUi ev †Uvbvi n‡”Q `ywU wfbœ wWfvB‡mi mgš^q, hviv GK‡Î KvR K‡i| wWfvBm `ywUÕi GKwU n‡”Q †Uvb †Rbv‡iUi (Tone Generator) Ges AciwU †Uvb‡cÖve (Tone Probe)| GKwU wK¬‡ci gva¨‡g †Uvb †Rbv‡iUi K¨ve‡ji gva¨‡g mshy³ n‡q _v‡K Ges GKwU wbw`©ó wd«‡Kv‡qwÝi B‡jKwUªK¨vj wmMb¨vj †cÖiY K‡i| †cÖvewU †Uvb †Rbv‡iU‡ii mv‡_ mshy³ K¨ve‡ji Kv‡Q Avm‡j GwU kã wbM©Z K‡i| wPÎ : †Uvb †jv‡KUi | GKwU wbw`©ó †bUIqvK© K¨vej ev †cvU©‡K c„_K Ki‡Z n‡j cÖ_‡g †Uvb †Rbv‡iUi‡K K¨ve‡ji mv‡_ mshy³ Ki‡Z nq, Gici †Uvb †cÖve‡K m¤¢ve¨ Ab¨ mKj K¨ve‡ji wbKU wb‡q hvIqv nq| G ch©v‡q cixÿvaxb K¨ve‡ji wbKUeZx© n‡jB †Uvb †cÖvewU GKwU kã m„wó K‡i| Ggb wKQy †Uvbvi Av‡Q hvi GKwU gvÎ †cÖve A‡bK¸‡jv †Uvb †Rbv‡iU‡ii mv‡_ GKB mv‡_ KvR Ki‡Z cv‡i| G‡ÿ‡Î cÖwZwU †Rbv‡iUi wfbœ wfbœ wd«‡Kv‡qwÝi wmMb¨vj Drcbœ K‡i Ges †cÖve cÖ‡Z¨K wmMb¨v‡ji Rb¨ wfbœ wfbœ kã ˆZwi K‡i _v‡K| †bUIqvK© mv‡cvU© Ges myiÿvi KvRwU Lye fv‡jvg‡Zv Ki‡Z n‡j Avcbv‡K K¨vej †U÷v‡ii mv‡_ Aek¨B GKwU †Uvbvi e¨envi Ki‡Z n‡e| M) UvBg †Wv‡gBb wi‡d¬‡±vwgUvi (Time Domain Reflectometer) t GKwU UvBg †Wv‡gBb wi‡d¬‡±vwgUvi ev wUwWAvi wbqwgZ weiwZ‡Z K¨ve‡ji ga¨ w`‡q ˆe`y¨wZK cvjm (Pulse) cvVv‡Z _v‡K| K¨ve‡ji ga¨ w`‡q WvUv wmMb¨vj Av`vb-cÖ`v‡b euvav w`‡Z cv‡i Ggb ÎæwU ev wew”Qbœ Ae¯’v wbY©‡qi Rb¨ Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 117.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  117 UvBg †Wv‡gBb wi‡d¬‡±vwgUvi e¨eüZ nq| wWwRUvj †fvëwgUvi Ges UvBg †Wv‡gBb wi‡d¬‡±vwgUv‡ii g†a¨ cv_©K¨ n‡”Q wWwRUvj †fvëwgUvi ïaygvÎ Zv‡ii g‡a¨ †Kvb wew”QbœZv ev †eªK Av‡Q wK bv Zv wbY©q K‡i, Ab¨ w`‡K wUwWAvi wbw`©ó K‡i e‡j †`q H wew”Qbœ As‡ki Ae¯’vb Zv‡ii GK cÖvšÍ †_‡K KZ `~‡i Aew¯’Z| wPÎ t wUwWAvi Gi e¨envi| Gi d‡j wUwWAvi e¨envi K‡i mn‡R H wew”Qbœ As‡ki Ae¯’vb Rvbv hvq Ges Zv AcmviY Kiv hvq| G KvRwU Kivi Rb¨ wUwWAvi cvjm wiwWs GbvjvBwmm ev we‡kølY K‡i Ges AZ:ci Zv c`©vq cÖ`k©b K‡i _v‡K| GKwU Pjgvb cvjm K¨ve‡ji wew”Qbœ As‡k †cuŠQv‡bvi mgq Ges †mLvb †_‡K †dir Avmvi (Bounce Back) mgq cwigvc K‡i K¨ve‡ji GK cÖvšÍ †_‡K wew”Qbœ As‡ki `~iZ¡ wbY©q Kiv nq| wUwWAvi B‡jKwUªK¨vj K¨vej Ges dvBevi wfwËK K¨vej Df‡qi Rb¨B mgfv‡e Kvh©Ki| N) Imwm‡jv‡¯‹vcm (Oscilloscopes): Imwm‡jv‡¯‹vcm n‡”Q GKwU B‡jKwUªK¨vj wWfvBm ev hš¿ hv w`‡q †Kvb wKQyi Dci Av‡ivwcZ wmMb¨vj †fv‡ë‡Ri cwigvY gvcv hvq| Gi wWm‡cø BDwb‡U wiwWs ev †fv‡ë‡Ri cwigvY cÖ`wk©Z nq| Imwm‡jv‡¯‹vcm hLb wUwWAviÕGi mv‡_ GK‡Î e¨envi Kiv nq, ZLb Giv mw¤§wjZfv‡e K¨ve‡ji kU© nIqv Ask, wew”Qbœ Ask, GwUwbD‡qkb (Attenuation) ev wmMb¨v‡ji kw³ nviv‡bvi cwigvY, euvKv‡bv BZ¨vw` ÎæwU¸‡jv cÖ`k©b Ki‡Z cv‡i| O) D”P gv‡bi K¨vej cixÿK (Advanced Cable Tester)t G ai‡bi K¨vej cixÿK ïaygvÎ K¨ve‡ji wew”Qbœ Ask ev ÎæwU awi‡q w`‡qB `vwqZ¡ †kl K‡i bv eis Gi mvnv‡h¨ K¨ve‡ji †iva ev †iwR‡÷Ý (Resistance), Bw¤ú‡WÝ (Impedance) Ges GwUwbD‡qkb gvcv hvq Ges Zv c`©vq cÖ`k©b Kiv hvq| w w w .fb.com /tanbir.cox
  • 118. 118  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : K¨vej †U÷vi K¨vej cixÿK w`‡q ev¯Íe mg‡q (Real Time) †UIqv‡K©i wb‡æv³ †ÿÎmg~‡ni Z_¨ msMÖn Kiv hvq-  fyj †d«g MYbv (Error Frame Count)  evZ©v †d«g MYbv (Message Frame Count)  ms‡KZ cÖ`vb (Beaconing)  Kb‡Rkb ÎæwU (Congestion Error)  AwZwi³ msNl© (Excess Collisions)  wejw¤^Z msNl© (Late Collisions) GQvov GB K¨vej cixÿK †bUIqvK© UªvwdK gwbUi Ki‡Z cv‡i| GQvov K¨vej cixÿK `ywU mywbw`©ó Kw¤úDUvi ev wWfvB‡mi g‡a¨ WvUv UªvwdK AbymiY Ki‡Z mÿg| mgm¨vi KviY n‡Z cv‡i-Ggb m‡›`nRbK K¨vej, †bUIqvK© B›Uvi‡dm KvW© m¤ú‡K©I K¨vej cixÿK Z_¨ mieivn Ki‡Z mÿg| P) †cÖv‡UvKj we‡kølK (Protocol Analyzer): †cÖv‡UvKj we‡kølK ev GbvjvBRvi ev¯Íe mg‡q †bUIqvK© UªvwdK we‡kølY Ki‡Z cv‡i I Gi cwimsL¨vb w`‡Z mÿg| GQvov †m cÖ‡qvRbxq WvUv c¨v‡KU UªvÝwgU, `Lj (Capture) Ges wW‡KvWI (Decode) Ki‡Z mÿg| GwU m¤¢veZ †bUIqvK© BwÄwbqvi‡`i Kv‡Q me‡P‡q RbwcÖq GKwU Uzj hvi gva¨‡g †bUIqv‡K©i mg¯Í cixÿv wbixÿv Pvjv‡bv hvq| †cÖv‡UvKj GbvjvBRv‡ii mvnv‡h¨ †bUIqv‡K©i wb‡æv³ mgm¨v¸‡jv wbY©q Kiv m¤¢e| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 119.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  119  †bUIqv‡K©i `ÿZvi AebwZ (Degradation of Network Performance)  APj †bUIqvK© B›Uvi‡dm KvW© (Failing Netework Interface Card)  ms‡hvM ÎæwU (Connection Errors)  ÎæwUc~Y© †bUIqvK© Dcv`vb (Faulty Network Components)  †cÖv‡UvKjRwbZ mgm¨v (Protocol Problems)  m¤cÖPvi So (Broadcast Storms) nvW©Iq¨vi †cÖv‡UvKj GbvjvBRv‡ii mv‡_ weë-Bb Ae¯’vq GKwU wUwWAvi _v‡K, d‡j GwU Lye mn‡RB K¨ve‡ji wew”Qbœ Ask wPwýZ Ki‡Z cv‡i| g~jZ: nvW©Iq¨vi †cÖv‡UvKj GbvjvBRvi IGmAvB g‡W‡ji me¸‡jv †j‡fj ev ch©v‡q WvUv UªvwdK we‡kølY Ki‡Z mÿg| myZivs †cÖv‡UvKj GbvjvBRv‡ii mvnv‡h¨ †bUIqv‡K©i GKwU we‡kl †mM‡g‡›Ui Kvh©KvwiZv g~j¨vqb Kiv m¤¢e Ges H †mM‡g‡›U GKwU Kw¤úDUvi wK cwigvY WvUv Av`vb-cÖ`vb K‡i †mwU cwigvc Kiv hvq| Dc‡iv³ †cÖv‡UvKj GbvjvBRvi‡K IqvBW Gwiqv †bUIqvK© (Wide Area Network) Ges B›Uvi‡b‡U wK ai‡bi †cÖv‡UvKj PjvPj Ki‡Q Zvi wnmve ivLvi Kv‡RI e¨envi Kiv hvq| Q) †bUIqvK© gwbUi (Network Monitor)t gvB‡µvmdU BD‡ÛvR GbwUÕi mv‡_ †bUIqvK© gwbUi GKxf~~Z Ae¯’vq Av‡m| GwU †cÖv‡UvKj GbvjvBRvi mdUIq¨vi fvm©b ev Gi ev¯Íevqb| †bUIqvK© gwbUi IqvK©‡÷k‡b WvUv UªvwdK K¨vcPvi Ges Zv gwbUi Ki‡Z cv‡i| GQvov †bUIqvK© gwbUi WvUv c¨v‡K‡Ui aib, ÎæwU BZ¨vw` wW‡KvW Ges we‡kølY K‡i we¯ÍvwiZ cwimsL¨vb cÖ`vb Ki‡Z mÿg| Gi evB‡i †bUIqvK© GWwgwb‡÷ªU‡ii eySvi myweav‡_© wewfbœ mgqKvj ev weiwZ‡Z †bUIqvK© UªvwdK m¤úwK©Z Z_¨vewj MÖvd ev †jLwPÎ AvKv‡i Dc¯’vcb/cÖ`k©b Ki‡Z cv‡i| w w w .fb.com /tanbir.cox
  • 120. 120  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : wm‡÷g gwbU‡ii gva¨‡g K¨vcPviK…Z wewfbœ wi‡mvm© e¨env‡ii Ae¯’v †`Lv‡bv n‡q‡Q| (wjbv·) †bUIqv‡K©i †eRjvBb (Baseline) `ÿZv cwimsL¨vb wbY©‡q †bUIqvK© gwbU‡ii f~wgKv LyeB ¸iæZ¡c~Y© Ges Gi †_‡K cÖvß cwimsL¨vb Kv‡R jvwM‡q †bUIqv‡K©i A¯^vfvweK Kg©KvÛ ev ÎæwU mn‡R †ei Kiv hvq| Dc‡ii wP‡Î †bUIqv‡K©i wewfbœ Z_¨ I cwimsL¨vb m¤úwK©Z ÷¨vUvm wm‡÷g gwbUi cÖ`wk©Z n‡jv| GLv‡b †`Lv hv‡”Q wmwcBDÕi gvÎ kZKiv 21.78 fvM e¨envi n‡q‡Q| GQvov 122 †gMvevBU †g‡gvwii g‡a¨ 116 †gMvevBU e¨eüZ n‡q‡Q| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 121.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  121 wPÎ : K¨vcPviK…Z WvUv c¨v‡K‡Ui Ae¯’v †bUIqvK© gwbU‡i cÖ`wk©Z n‡”Q| (DB‡ÛvR) R) `ÿZv gwbUi (Performance Monitor): DB‡ÛvR GbwUÕi `ÿZv gwbUi bvgK mdUIq¨vi UzjwU dvBj mvf©v‡ii Af¨šÍ‡i msNwUZ hveZxq Kg©KvÛ gwbUi Kivi Kv‡R e¨eüZ nq| GQvov `ÿZv gwbU‡ii mvnv‡h¨ †bUIqv‡K©i wb‡æv³ welq¸‡jv m¤ú‡K© AeMZ nIqv hvq|  mvf©v‡ii AvIZvaxb mg¯Í mvwf©m Ges wWfvB‡mi Kg©KvÛ  †bUIqvK© UªvwdK  GKwU wbw`©ó mgqKv‡j mvf©v‡ii Dci †h cwigvY Kv‡Ri Pvc ev IqvK©‡jvW (Workload) c‡o | S) B‡f›U jM ch©‡eÿY (Observation of Event Log) : B‡f›U jM wm‡÷‡gi ev G¨vwcø‡Kk‡bi ¸iæZ¡c~Y© NUbvewj wbqwgZfv‡e †iKW© Ki‡Z _v‡K| GB NUbvewj B‡f›U j‡M w w w .fb.com /tanbir.cox
  • 122. 122  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  mveavbevYx (Warning), ÎæwU (Error), Z_¨ (Information) BZ¨vw` AvKv‡i cÖ`wk©Z nq| bx‡Pi Qwe‡Z G ai‡bi GKwU B‡f›U jM cÖ`k©b Kiv n‡jv| wPÎ : B‡f›U j‡M cÖ`wk©Z †bUIqv‡Ki© wewfbœ mgm¨v msµvšÍ Z_¨| wjbv· Acv‡iwUs wm‡÷‡gI G ai‡bi jM i‡q‡Q| GwU wm‡÷g jM bv‡g cwiwPZ| wm‡÷g j‡Mi Aax‡b Avevi †ek KZK¸‡jv Ackb i‡q‡Q| G¸‡jvi g‡a¨ cÖavb Ackbmg~n n‡”Q eyU jM, GcvwP G‡ivi jM, wmwKDwiwU jM, wm‡÷g jM BZ¨vw`| wb‡Pi Qwe‡Z eyU j‡Mi Aax‡b wewfbœ Gw›Uª †`Lv‡bv n‡jv| Gme Gw›Uª †`‡L Avcwb Abygvb Ki‡Z mÿg n‡eb †bUIqv‡K© Avcbvi Kw¤úDUviwU wVKg‡Zv KvR Ki‡Q wK bv ev †Kvb cÖKvi mgm¨v Kw¤úDUv‡i †`Lv w`‡q‡Q wKbv| Gme jM Gw›Uªi Ici wfwË K‡i Avcwb cÖ‡qvRbxq mveavbZv Aej¤^b Ki‡Z cv‡ib| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 123.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  123 wPÎ : wjbv· Acv‡iwUs wm‡÷‡gi wm‡÷g j‡M wewfbœ ai‡bi Gw›Uª| T) BKz¨c‡g›U jM (Equipment Log) : mvf©v‡ii g‡Zv Ab¨vb¨ †bUIqvK© wWfvBm †hgb nve, ivDUvi BZ¨vw` Zv‡`i wb‡R‡`i jM msiÿY K‡i _v‡K| K‡qKwU c×wZ Aej¤^‡bi Øviv G jM¸‡jv cixÿv K‡i †`Lv hvq| G ai‡bi K‡qKwU c×wZ GLv‡b Zz‡j aiv n‡jvÑ  GmGbGgwc (SNMP-Simple Network Management Protocol)t GB †cÖv‡UvKjwU Avcbv‡K †bUIqvK© wWfvB‡mi ÷¨vUvm Ges jMW Bbdi‡gkb D×vi Ges Zv covi my‡hvM K‡i w`‡e| GRb¨ Aek¨ Avcbv‡K GmGbGgwc K¤úvU¨vej g¨v‡bR‡g›U †cÖvMÖvg †hgb HP OpenView, Sun NetManage, Novell ManageWise BZ¨vw`i mvnvh¨ wb‡Z n‡e| G ai‡bi g¨v‡bR‡g›U †cÖvMÖvg wWfvBm cixÿv Kivi KvRwU wbR †_‡KB Ki‡e| Gi gva¨‡g Avcwb G‡ivi (Error) Ges mZK© (Alert) Ae¯’v wbw`©ó K‡i w`‡Z cv‡ib| G Z_¨¸‡jv Kg©iZ †bUIqvK© GWwgwb‡÷ªU‡ii wbKU B-‡gB‡ji gva¨‡g m¤¢ve¨ mgm¨v wbY©q Ges Zvi mgvav‡bi Rb¨ †cÖiY Kiv hvq|  I‡qe B›Uvi‡dm (Web Interface)t †bUIqv‡K©i ga¨ w`‡q wewfbœ wWfvBm †mUAvc Ges g¨v‡bR‡g›U-Gi Rb¨ G¸‡jv G¨vK‡mm Kivi RbwcÖq Av‡iKwU Uzj n‡”Q GB I‡qe B›Uvi‡dm| Gi Rb¨ Avjv`v †Kvb g¨v‡bR‡g›U Uzj Gi cÖ‡qvRb nq bv| Avcwb †h‡Kvb I‡qe eªvDRv‡ii gva¨‡gB wWfvBm †mUAvc Ges e¨e¯’vcbvi KvR Ki‡Z cv‡ib| w w w .fb.com /tanbir.cox
  • 124. 124  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : wmm‡Kvi GmGbGgwc KbwdMv‡ikb DB‡Ûv| †bUIqvK© `ÿZv wbwðZKi‡Yi Rb¨ †KŠkjvw` (Techniques for Ensuring Network Performance) †bUIqv‡K©i Kg©`ÿZv e¨vnZ Ki‡Z cv‡i Ggb m¤¢ve¨ mgm¨vewj B‡Zvc~‡e© Av‡jvPbv Kiv n‡q‡Q| GLb G mKj mgm¨v wbiƒcY Kiv Ges Zv `~i Kivi Rb¨ eûj cÖPwjZ †h mKj Uzjm Ges †UKwbK e¨envi Kiv nq †m wel‡q Av‡jvKcvZ Kiv n‡e| K) wcs (PING) t wUwmwc/AvBwc wfwËK †bUIqv‡K© †Kvb iKg mgm¨v †`Lv w`‡j †bUIqvK© GWwgwb‡÷ªUi me‡P‡q †ewk †h A¯¿wU e¨envi K‡ib Zv n‡jv Wm †cÖv¤úU-Gi wcs (c¨v‡KU B›Uvi‡bU †Mvdvi) KgvÛ| †bUIqv‡K© m„ó mgm¨v Zwor WvqvMbwmm Kivi GwU GKwU ¸iæZ¡c~Y© Uzj| wcs ivDUv‡ii Rb¨ AwaK Kvh©Kix| KviY GwU cÖwZwU B›Uvi‡dm cixÿv K‡i †`‡L| hw`I wcs KgvÛ g~jZ: `y‡Uv †nv÷ Kw¤úDUv‡ii g‡a¨ ms‡hvM cixÿv K‡i | wcs KgvÛ Zvi Kv‡Ri Rb¨ we‡kl GK ai‡bi †cÖv‡UvKj B›Uvi‡bU K‡›Uªvj †g‡mR †cÖv‡UvKj (ICMP) e¨envi K‡i _v‡K| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 125.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  125 wPÎ : wcs Kgv‡Ûi mv‡_ †nv÷ †bg e¨envi Kiv n‡q‡Q| wcs KgvÛ me©cÖ_g †bUIqv‡K© †Kvb †nv‡÷i Dcw¯’wZ Rvb‡Z †P‡q GKwU wmMb¨vj cvVvq, Uv‡M©UK…Z wcwm †bUIqv‡K© mPj _vK‡j GB wmMb¨v‡ji Reve †`q| wcs KgvÛ Zvi wbR¯^ e¨e¯’vcbvi gva¨‡g wmMb¨vj Drcbœ nevi mgq Ges †nv÷ wcwm †_‡K DËi cvevi mg‡qi e¨eavb MYbv K‡i Ges Zv †iKW© K‡i iv‡L| Uv‡M©U wVKvbvi wcwm †bUIqv‡K© mPj Av‡Q wKbv GB Z_¨ cÖ`vb K‡iB wcs KgvÛ Zvi `vwqZ¡ †kl K‡i †`q bv eis GB `yB wcwmÔi †hvMv‡hv‡Mi ga¨eZ©x mgqKvj Lye †ewk j¤^v wKbv †h wel‡qI mywbw`©ó WvUv cÖ`vb K‡i | GB mgqKvj †_‡K †bUIqv‡K©i `ÿZv m¤ú‡K© ¯úó aviYv †c‡Z cv‡ib †bUIqvK© GWwgwb‡÷ªUi| wPÎ : wcs KgvÛ e¨env‡ii djvdj| w w w .fb.com /tanbir.cox
  • 126. 126  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wcs KgvÛ e¨envi Ki‡Z n‡j Wm †cÖv¤úU- G wM‡q `PING` KgvÛwU wj‡L Gici Uv‡M©U ev †nv÷ wcwmi bvg ev AvBwc G¨v‡Wªm wjL‡Z nq| KgvÛ †`qv n‡j †nv÷ wcwm †_‡K cÖvß Reve Ges GB Reve †c‡Z KZ wgwj‡m‡KÛ mgq e¨q n‡q‡Q Zvi †iKW© DB‡Ûv‡Z †f‡m D‡V| †bUIqv‡K© wcs KgvÛ e¨envi msµvšÍ G ai‡bi GKwU wPÎ Dc‡i Zz‡j aiv n‡jv| wcs KgvÛ m¤ú‡K© Avcbv‡K Av‡iv we¯ÍvwiZ Rvb‡Z n‡j KgvÛ †cÖv¤úU-G wM‡q ‘PING’ /? UvBc K‡i Enter Kx Pvcyb| hw` wcs KgvÛ †Kvb AvBwc G¨v‡Wªm wPwýZ Ki‡Z cv‡i wKš‘ H wb‡`©wkZ G¨v‡Wª‡m †cŠuQ‡Z bv cv‡i Zvn‡j wcs KgvÛ UvBg AvD‡Ui ci GKwU †g‡mR c`©vq cÖ`k©b K‡i| Gi †g‡mR¸‡jvi e¨vL¨v wbæiƒc: †g‡mR e¨vL¨v Ges m¤¢ve¨ KviY æUnknown host” Kgv‡Û wb‡`©wkZ AvBwc G¨v‡Wª‡mi †nv÷wU Luy‡R cvIqv hv‡”Q bv| wcs Kgv‡Û nq‡Zv fyj †Kvb AvBwc G¨v‡Wªm wb‡`©k Kiv n‡q‡Q ev e¨eüZ n‡”Q bv Ggb †Kvb wWGbGm †bg e¨envi Kiv n‡q‡Q| æDestination Host Unreachable” AvBwc G¨v‡Wª‡mi mswkøó †nv‡÷ †cŠuQv‡bv hv‡”Q bv| G‡ÿ‡Î ivDwUsRwbZ mgm¨v _vK‡Z cv‡i| Avcwb h_vh_ wWdë †MUI‡q e¨envi K‡i‡Qb wKbv Zv cixÿv K‡i wbwðZ n‡Z cv‡ib| L) †UªmiæU (Traceroute) wcs Kgv‡Ûi mvnv‡h¨ †bUIqv‡K©i †Kvb ÎæwUc~Y© †nv÷ Luy‡R †ei Kiv GK †N‡qwg e‡j Kv‡iv Kv‡iv Kv‡Q g‡b n‡Z cv‡i| G‡`i Rb¨ GB †UªmiæU GKwU we‡kl AvKl©Yxq GKwU Uzj wn‡m‡e Kv‡R Avm‡Z cv‡i| GB KgvÛ `y‡Uv †nv‡÷i g‡a¨ iæU mbv³ ev †Uªm K‡i _v‡K| wcs KgvÛ mgm¨v wbY©‡q e¨_© n‡j Avcwb †UªmvU© KgvÛ e¨envi K‡i GKwU wbw`©ó ivDUvi ch©šÍ mgm¨v mbv³ Ki‡Z cv‡ib| GB KgvÛwU †nv÷ Ges †Ww÷‡bkb Gi g‡a¨ hZ¸‡jv iæU Av‡Q Zvi cÖ‡Z¨‡Ki ZvwjKv cÖ`k©b K‡i| DB‡ÛvR GbwUÔi Aax‡b GwU †UªmvU© (Tracert) bv‡g cwiwPZ| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 127.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  127 wPÎ : †UªmvU© KgvÛ e¨env‡ii djvdj| wcs Gi g‡Zv KgvÛ Wm †cÖv¤úU-G wM‡q †UªmvU© ev †UªmiæU ivb Ki‡Z nq| †UªmvU© KgvÛ †jLvi ci Uv‡M©U †nv‡÷i bvg ev Gi AvBwc wVKvbv wjL‡Z nq| †UmvU© KgvÛ †`qv n‡j †U÷ wmMb¨vj DrcbœKvix wcwm Ges Uv‡M©U wcwmÔi (hv‡K mgm¨v AvµvšÍ e‡j g‡b Kiv n‡”Q) g‡a¨ hZ¸wj wUwmwc/ AvBwc ms‡hvM Av‡Q Zvi cÖ‡Z¨KwUi Kv‡bKwUwfwU Ges mvov †`qvi ÿgZv GK mv‡_ cixÿv n‡q hvq| †UªmiæU KgvÛ GKwU we‡kl WvUv c¨v‡KU cieZx© wbKUZg †nv÷ (Up stream host) ev wbKUZg wUwmwc/AvBwc †MUI‡q‡Z cvVvq| G KvRwU †m K‡i g~jZ: †Uªmiæ‡Ui AvIZvq wewfbœ MšÍe¨(Destination) Uv‡M©U †nv‡÷i ZvwjKv cªYq‡bi Rb¨| cÖ_g Avcw÷ªg †nv÷wU hw` †bUIqv‡K© mPj _v‡K Zvn‡j WvUv c¨v‡KU Gi Drm †nv‡÷i wbKU wcs mgZzj¨ GKwU wmMb¨vj †cÖi‡Yi gva¨‡g mvov †`q| Drm Kw¤úDUvi †_‡K WvUv c¨v‡KU cÖvwßi ¯^xKviI Kiv nq G mgq| Gi ci H cÖ_g Avcw÷ªg †nv÷ †UªmiæU WvUv c¨v‡KU cieZ©x Avcw÷ªg †nv‡÷i wbKU diIqvW© ev AMÖvqY K‡i †`q| hZÿY ch©šÍ bv MšÍe¨¯’j ev †Ww÷‡bkb †nv‡÷i mÜvb cvIqv hvq ZZÿYB G cÖwµqv Pj‡Z _v‡K| Z‡e Gi g‡a¨ hw` WvUv c¨v‡K‡Ui wba©vwiZ Avqy®‹vj ev wUwUGj (TTL-Time to Live) †kl n‡q hvq Zvn‡j G cÖwµqvi cwimgvwß N‡U| wcs Gi g‡ZvB †UªmiæU BDwUwjwUi †ek KZK¸‡jv KbwdMv‡ikb w w w .fb.com /tanbir.cox
  • 128. 128  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  Ackb Av‡Q| DB‡ÛvR GbwU Acv‡iwUs wm‡÷‡g †UªmiæU m¤ú‡K© we¯ÍvwiZ Rvb‡Z n‡j KgvÛ ev Wm †cÖv¤úU G wM‡q TRACERT/? UvBc Kiæb| eo †bUIqv‡K©i ÎæwUc~Y© Ask ev †mM‡g›U c„_KKi‡Yi †ÿ‡Î †UªmiæU AZ¨šÍ Kvh©Kix| KviY Gi gva¨‡g †bUIqvK© GWwgwb‡÷ªUi Lye mn‡RB Rvb‡Z cv‡ib †Kvb †MUI‡q wWfvBmwU †cÖwiZ WvUv wmMb¨v‡j mvov w`‡”Q bv Ges †MUI‡qi †Kvb †cvU©wU APj n‡q Av‡Q BZ¨vw`| mvov †`Iqvi mg‡qi (Response Time) cwimsL¨vb †_‡K †UªmiæU Avcbv‡K AewnZ Ki‡e †bUIqv‡K©i †Kvb Ask ev †mM‡g›UwU axi MwZm¤úbœ n‡q c‡o‡Q| wUwmwc/AvBwc wfwËK †bUIqvK© GWwgwb‡÷ªk‡bi Rb¨ †UªmiæU I wcs Uy‡ji mgwš^Z e¨envi †bUIqv‡K©i ÎæwU †ei Kiv Ges Zvi mgvav‡bi Rb¨ GKwU †gvÿg A¯¿ ˆe wK| M) AvBwcKbwdM (ipconfig) hw`I AvBwcKbwdM BDwb· †_‡K D™¢~Z †Kvb KgvÛ bq Zvic‡iI GB KgvÛwU †bUIqvK© mgm¨v mgvav‡b †ek Kvh©Kix GKwU Uzj| we‡kl K‡i †bUIqv‡K©i †nv÷¸‡jv AvBwc G¨v‡Wªm wbY©‡q GB KgvÛwUi †Kvb weKí †bB| KgvÛwU e¨envi Ki‡Z n‡e Wm †cÖv¤úU †_‡K| AvBwcKbwd‡Mi KgvÛ jvBbwU wbæiƒc t >ipconfig wPÎ : AvBwcKbwdM KgvÛ cÖ‡qv‡Mi dj| †bUIqv‡K©i †nv÷¸‡jv m¤ú‡K© Av‡iv we¯ÍvwiZ Z_¨ Rvb‡Z n‡j wbæiƒc KgvÛ cÖ`vb Ki‡Z n‡e- >ipconfig /all ! more wb‡Pi wP‡Î wVK G ai‡bi GKwU AvBwcKbwdM Kgv‡Ûi djvdj cÖ`k©b Kiv n‡jv- Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 129.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  129 wPÎ : AvBwcKbwdM Kgv‡Ûi djvdj| N) GAviwc (ARP): G¨v‡Wªm †iRy¨‡jkb †cÖv‡UvKj ev GAviwc mswkøó mgm¨v wbY©‡qi Rb¨ GB BDwUwjwU KgvÛwU e¨envi Kiv nq| wUwmwc/AvBwc †cÖv‡UvKj my¨B‡Ui †nv÷, GAviwc †cÖv‡UvKj e¨envi K‡i †bUIqvK© B›Uvi‡dm Kv‡W©i g¨vK (MAC) G¨v‡Wªm mbv³ K‡i| †bUIqvK© KvW© ev wbKÕGi GB wdwRK¨vj G¨v‡WªmwU Aek¨B GKwU jwRK¨vj AvBwc G¨v‡Wª‡mi mv‡_ m¤úwK©Z _v‡K| GAviwc BDwUwjwU hLb-a Ackb mnKv‡i e¨envi Kiv nq ZLb †m AvBwc G¨v‡Wªm Ges †bUIqvK© Kv‡W©i g¨vK G‡Wªm `y‡UvB cÖ`k©b K‡i| G ai‡bi GKwU Kgv‡Ûi djvdj wb‡Pi Qwe‡Z †`Lv‡bv n‡jvÑ wPÎ : ARP –a Kgv‡Ûi AvDUcyU| w w w .fb.com /tanbir.cox
  • 130. 130  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  †Kvb †cvU© wVKg‡Zv KvR Ki‡Q wKbv Zv wbwðZ n‡Z cv‡ib Gi m‡½ ev ms‡hv‡Mi gva¨‡g| Dfq Kgv‡Ûi gva¨‡g Avcwb wWdë †cv‡U©i cwie‡Z© Ab¨ †Kvb †cvU© wbw`©ó K‡i w`‡Z cv‡ib| O) DB‡ÛvR GbwUi cvidi‡gÝ gwbUi (Windows NT Performance Monitor) DB‡ÛvR GbwU Ges DB‡ÛvR 2000 mvf©vi Acv‡iwUs wm‡÷‡gi mv‡_ Avmv cvidi‡gÝ gwbUi UyjwU †bUIqv‡K©i wewfbœ ai‡bi mgm¨v wbiƒc‡Yi GKwU h_v_© Dcvq| DB‡ÛvR GbwU wm‡÷‡g cvidi‡gÝ gwbU‡ii Ae¯’vb n‡”Q Start †gby¨i Program †dvìv‡ii Addministrative Tools Gi g‡a¨| cvidi‡gÝ gwbU‡ii mvnv‡h¨ cy‡iv wm‡÷g Ges †bUIqvK© Kg©KvÛ mwVKfv‡e ch©‡eÿY Kiv m¤¢e| GQvov cvidi‡gÝ gwbU‡ii mvnv‡h¨ wb‡æv³ Kg©KvÛ¸‡jv m¤úv`b Kiv †h‡Z cv‡iÑ  wewfbœ †bUIqvK© mvwf©‡mi cwimsL¨vb ch©‡eÿY Kiv  mvf©vi I IqvK©‡÷k‡bi wUwmwc/AvBwc msµvšÍ cwimsL¨vb|  wewfbœ ch©v‡qi WvUv UªvwdK ev †jv‡W (Load) †bUIqvK© e¨vÛDBW‡_i Ae¯’v|  B›UviG¨vKwUf (Interactive) c×wZ‡Z wewfbœ cwimsL¨vb PvU© (Chart) AvKv‡i c`©vq ch©‡eÿY Kiv|  jM dvsk‡bi (Log Function) mvnv‡h¨ †bUIqvK© cvidi‡gÝ jM Drcbœ I ch©‡eÿY Kiv|  m¤¢ve¨ mgm¨v AvµvšÍ †bUIqvK© wWfvBm I †mM‡g›U¸‡jvi Ae¯’vb I mZKx©KiY (Alert) evZ©v c`©vq ch©‡eÿY Kiv| Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 131.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  131 wPÎ : †bUIqvK© cvidi‡gÝ msµvšÍÍ †jLwPÎ| P) †bUIqvK© we‡kølK (Network Analyzer)t †bUIqvK© we‡kølK ev G¨vbvjvBRvi g~jZ: wWRvBb Kiv n‡q‡Q †bUIqv‡K©i ga¨ w`‡q WvUv cÖev‡ni MwZwewa jÿ¨ Kivi Rb¨| GB G¨vbvjvBRv‡ii mvnv‡h¨ †bUIqvK© GwWwgwb‡÷ªUi wgwWqv K¨ve‡ji ga¨ w`‡q cÖevwnZ WvUv c¨v‡K‡Ui aib, Gi µg web¨vm (Order) Ges c¨v‡K‡Ui Af¨šÍ‡i wK cwigvY WvUv Av‡Q Zv ch©‡eÿY Ki‡Z cv‡i| w w w .fb.com /tanbir.cox
  • 132. 132  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  wPÎ : j¨vbvjvBRvi Øviv GKwU †bUIqvK© G¨vbvjvBwmm K‡i Zvi †_‡K cÖvß dj| evRv‡i wewfbœ ai‡bi †bUIqvK© G¨vbvjvBRvi eZ©gv‡b cvIqv hvq| G¸‡jvi g‡a¨ Avevi †Kvb †KvbwU AZ¨šÍ e¨q eûj| †bUIqvK© G¨vbvjvBRvi nvW©Iq¨vi wWfvBm n‡Z cv‡i A_ev GwU mdUIq¨vi BDwUwjwU cÖK…wZiI n‡Z cv‡i| DB‡ÛvR GbwU Ges BD‡ÛvR 2000 mvf©v‡ii mv‡_ weë-Bb Ae¯’vq †bUIqvK© gwbUi bv‡g GKwU †bUIqvK© G¨vbvjvBRvi cvIqv hvq| GB G¨vbvjvBRv‡ii mvnv‡h¨ mvf©v‡ii mv‡_ mivmwi mshy³ Zvi ev wgwWqv K¨vej G¨vbvjvBR ev we‡kølY Kiv hvq| Wm Ges BD‡ÛvR gy‡W KvR K‡i Ggb GKwU †bUIqvK© G¨vbvjvBRvi n‡”Q j¨vbvjvBRvi (LANalyzer),GwU †bv‡fj †bUIqvK© wm‡÷‡gi mv‡_ KvR K‡i | P) nvW©Iq¨vi Uªvejm¨ywUs (Hardware Troubleshooting): †bUIqvK© GWwgwb‡÷ªUi wn‡m‡e Avcwb nq‡Zv †bUIqv‡K©i †Kvb mgm¨v mgvavb Ki‡Z wM‡q wcs †UªmiæU, cvidi‡gÝ gwbUi, GbvjvBRvi BZ¨vw` Uzjm I †UKwbK e¨envi Ki‡Z Ki‡Z K¬všÍ n‡q c‡o‡Qb Ges †Kvb µ‡gB †bUIqv‡K©i mgm¨v AvµvšÍ AskwU ev wWfvBmwU wPwýZ Useful Bangla eBooks :-www.facebook.com/tanbir.ebooks Library of free ebooks:www.tanbircox.blogspot.com
  • 133.  Kw¤úDUvi †bUIqvwK©s : †÷c evB †÷c  133 Ki‡Z mÿg n‡”Qb bv wVK G ai‡bi GKwU gyn~‡Z© nVvr K‡i jÿ¨ Ki‡jb †h B_vi‡bU K¨vejwU †bUIqvK© B›Uvi‡dm Kv‡W©i mv‡_ mshy³ bq| ev¯Íe Rxe‡b G ai‡bi NUbvi m¤§yLxb nIqv A¯^vfvweK wKQy bq| †bUIqvK© mgm¨v mgvavb Ki‡Z wM‡q Avgiv fvix fvix †KŠkj¸‡jv cÖ_‡gB Kv‡R jvMv‡Z ïiæ Kwi A_P nvW©Iq¨v‡ii g‡Zv †bUIqv‡K©i GKwU AZxe ¸iæZ¡c~Y© Ask‡K Avgiv Gfv‡e Lye GKUv ¸iæ‡Z¡i mv‡_ we‡ePbv Kwi bv| †bUIqv‡K©i mvwf©m cvidi‡g‡Ýi mv‡_ nvW©Iq¨vi welqwU IZ‡cÖvZfv‡e RwoZ| †bUIqv‡K© †Kvb mgm¨v m„wó n‡jB Avcbv‡K cÖ_‡gB m¤¢ve¨ mgm¨v AvµvšÍ c‡q›U wPwýZ Ki‡Z n‡e Ges c×wZMZfv‡e †m¸‡jv G‡Ki ci GK cixÿv K‡i †`L‡Z n‡e hZÿY ch©šÍ bv Avcwb g~j mgm¨vwU Lyu‡R †ei Ki‡Z cv‡ib| †bUIqv‡K©i Ggb wKQy wWfvBm ev c‡q›U _v‡K †h¸‡jv Zzjbvg~jKfv‡e Ab¨vb¨‡`i †P‡q AwaKZi †ewk mgm¨vi KviY n‡q `uvovq| †hgb aiæb †bUIqvK© B›Uvi‡dm KvW©, †Uwj‡dvb jvBb (†`Lv †M‡Q wU-1 jvBb jxRW (Leased) jvB‡bi †P‡q †ewk mgmv AvµvšÍ nq) BZ¨vw`| †bUIqv‡K©i `ÿZvi Rb¨ mgm¨vi KviY n‡Z cv‡i Ggb nvW©Iq¨vi n‡”Q-  †bUIqvK© B›Uvi‡dm KvW© ev GbAvBwm  wgwWqv K¨vej ev Zvi  WvUv R¨vK (Data Jack)  †`Iqvj K¨vej (Wall Cable)  nve (Hub)  myBP (Switch)  ivDUvi (Router)  †MUI‡q (Gateway)  nve/myBP/ivDUvi/†MUI‡qi c„_K c„_K †cvU©mg~n BZ¨vw`| w w w .fb.com /tanbir.cox www.facebook.com/tanbir.cox