It nv51 instructor_ppt_ch1
- 1. Introduction to Networks v5.1 Chapter 1: Explore the Network Jupriyadi, S.Kom., M.T. July 17th, 2020
- 2. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 2 1.0 Introduction 1.1 Globally Connected 1.2 LANs, WANs, and the Internet 1.3 The Network as a Platform 1.4 The Changing Network Environment 1.5 Summary
- 3. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 3 Upon completion of this section, you should be able to: • Explain how networks affect the way we interact, learn, work, and play. • Explain how host devices can be used as clients, servers, or both.
- 4. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 4
- 5. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 5
- 6. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 6
- 7. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 7 Networks support the way we: • Learn • Communicate • Work • Play
- 8. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 8
- 9. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 9
- 10. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 10
- 11. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 11
- 12. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 12 Upon completion of this section, you should be able to: • Explain the use of network devices. • Compare the devices and topologies of a LAN to the devices and topologies of a WAN. • Describe the basic structure of the Internet. • Explain how LANs and WANs interconnect to the Internet.
- 13. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 13
- 14. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 14
- 15. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 15
- 16. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 16
- 17. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 17
- 18. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 18
- 19. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 19
- 20. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 20
- 21. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 21
- 22. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 22 Network Interface Card
- 23. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 23 Physical Topology
- 24. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 24 Logical Topology
- 25. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 25
- 26. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 26
- 27. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 27 The two most common types of network infrastructures are: • Local Area Network (LAN) • Wide Area Network (WAN) Other types of networks include: • Metropolitan Area Network (MAN) • Wireless LAN (WLAN) • Storage Area Network (SAN)
- 28. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 28
- 29. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 29 LANs separated by geographic distance are connected by a network known as a WAN.
- 30. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 30
- 31. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 31 LANs use WAN services to interconnect.
- 32. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 32
- 33. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 33
- 34. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 34 • Internet Service Provider (ISP) • Broadband cable • Broadband Digital Subscriber Line (DSL) • Wireless WANs • Mobile Services • Business DSL • Leased Lines • Metro Ethernet
- 35. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 35
- 36. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 36
- 37. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 37 Upon completion of this section, you should be able to: • Explain the concept of a converged network. • Describe the four basic requirements of a reliable network.
- 38. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 38
- 39. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 39
- 40. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 40
- 41. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 41
- 42. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 42
- 43. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 43
- 44. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 44
- 45. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 45
- 46. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 46
- 47. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 47
- 48. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 48 Upon completion of this section, you should be able to: • Explain how trends such as BYOD, online collaboration, video, and cloud computing are changing the way we interact. • Explain how networking technologies are changing the home environment. • Identify basic security threats and solutions for both small and large networks. • Describe the importance of understanding the underlying switching and routing infrastructure of a network.
- 49. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 49
- 50. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 50 Top trends include: • Bring Your Own Device (BYOD) • Online collaboration • Video communications • Cloud computing
- 51. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 51
- 52. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 52
- 53. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 53
- 54. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 54
- 55. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 55
- 56. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 56
- 57. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 57
- 58. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 58
- 59. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 59
- 60. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 60
- 61. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 61 The most common external threats to networks include: • Viruses, worms, and Trojan horses • Spyware and adware • Zero-day attacks, also called zero-hour attacks • Hacker attacks • Denial of service attacks • Data interception and theft • Identity theft
- 62. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 62 Minimum solutions: • Antivirus and antispyware • Firewall filtering Additional solutions: • Dedicated firewall systems • Access control lists (ACL) • Intrusion prevention systems (IPS) • Virtual Private Networks (VPNs)
- 63. Cisco Public© 2013 Cisco and/or its affiliates. All rights reserved. 63
- 64. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 64
- 65. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 65
- 66. © 2013 Cisco and/or its affiliates. All rights reserved. Cisco Public 66 Chapter Objectives: • Explain how multiple networks are used in everyday life. • Describe the topologies and devices used in a small to medium-sized business network. • Explain the basic characteristics of a network that supports communication in a small to medium-sized business. • Explain trends in networking that will affect the use of networks in small to medium-sized businesses.
- 67. Thank you.