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The document contains questions about router functions and configuration. Based on the responses: - A router's primary functions are packet switching and path selection. A router is required to connect two networks and provide a shared connection to the Internet. - When a router boots, it enters setup mode to check hardware and load the Cisco IOS software from memory. - Configuring a static route on a router with the "ip route" command establishes a manually defined path for traffic to a specific network.

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1 Which of the following are primary functions of a router? (Choose two.) packet switching microsegmentation domain name resolution path selection flow control 2 A network administrator is in charge of two separate networks that share a single building. What device will be required to connect t two networks and add a common connection to the Internet that can be shared? hub router access point Ethernet switch 3 A router boots and enters setup mode. What is the reason for this? The IOS image is corrupt. Cisco IOS is missing from flash memory. The configuration file is missing from NVRAM. The POST process has detected hardware failure. 4 Refer to the exhibit. A network administrator adds this command to router R1: ip route 192.168.2.0 255.255.255.0 S0/0/0. What is t result of adding this command? This route is automatically propagated throughout the network. The traffic for network 172.16.1.0 is forwarded to network 192.168.2.0. A static route is established. The traffic for all Class C networks is forwarded to 172.16.1.2. 5 In a complex lab test environment, a router has discovered four paths to 192.168.1.0/24 via the use of the RIP routing process. Whi route will be installed in the routing table after the discovery of all four paths? R 192.168.1.0/24 [120/3] via 192.168.110.1, 00:00:17, Serial0/1/0
R 192.168.1.0/24 [120/2] via 192.168.200.1, 00:00:17, Serial0/0/0 R 192.168.1.0/24 [120/1] via 192.168.100.1, 00:00:17, Serial0/0/1 R 192.168.1.0/24 [120/4] via 192.168.101.1, 00:00:17, Serial0/1/1 6 Which three statements are true regarding the encapsulation and de-encapsulation of packets when traveling through a router? (Ch three.) The router modifies the TTL field, decrementing it by one. The router changes the source IP to the IP of the exit interface. The router maintains the same source and destination IP. The router changes the source physical address to the physical address of the exit interface. The router changes the destination IP to the IP of the exit interface. The router sends the packet out all other interfaces, besides the one it entered the router on. 7 Refer to the exhibit. Router R1 receives a packet for destination 192.168.1.10. Which route will be preferred for this packet? through the Fa0/0 interface through the Fa0/1 interface through the S0/0/0 interface through the S0/0/1 interface 8 Refer to the exhibit. Which two routes are level 1 ultimate routes? (Choose two.) 10.0.0.0 10.1.2.0 10.2.2.0 10.1.1.0 192.168.1.0 192.168.2.0
9 Which routing protocol by default uses bandwidth and delay to calculate the metric of a route? RIPv1 RIPv2 OSPF EIGRP 10 Which statement is true about the metrics used by routing protocols? A metric is a value used by a particular routing protocol to compare paths to remote networks. A common metric is used by all routing protocols. The metric with the highest value is installed in the routing table. The router may use only one parameter at a time to calculate the metric. 11 Refer to the exhibit. A router learns a route to the 192.168.6.0 network, as shown in the output of the show ip rip database comma However, upon running the show ip route command, the network administrator sees that the router has installed a different route to 192.168.6.0 network learned via EIGRP. What could be the reason for the missing RIP route? Compared to RIP, EIGRP has a lower administrative distance. Compared to EIGRP, RIP has a higher metric value for the route. Compared to RIP, the EIGRP route has fewer hops. Compared to RIP, EIGRP has a faster update timer. 12 Refer to the exhibit. RIPv1 has been used as a routing protocol on the network. A new 172.16.2.0/24 network has been added on ro R2 and configured under the RIP routing process. When will R1 converge? after 13 seconds after 30 seconds after 180 seconds after R1 receives triggered updates from R2 13 Which two statements are true for link-state routing protocols? (Choose two.)
Routers that run a link-state protocol can establish a complete topology of the network. Routers in a multipoint network that run a link-state protocol can exchange routing tables. Routers use only hop count for routing decisions. The shortest path first algorithm is used. Split horizon is used to avoid routing loops. 14 An administrator is configuring Router1 so that it can connect to Router2 by using IP. Which protocol can be used by Router1 to determine the IP address of Router2 when they are directly connected and only Layer 2 connectivity exists between them? ARP CDP ICMP Telnet 15 Refer to the exhibit. A device is required to complete the connection between router R1 and the WAN. Which two devices can be us for this? (Choose two.) a CSU/DSU device a modem an Ethernet switch a hub a bridge 16 What can be determined from the output shown in the exhibit? (Choose two.) Annapolis is a 2611 router that is connected to the S0/0 interface of the Montgomery router. All of the routers are connected to Montgomery through an Ethernet switch. Montgomery has Layer 2 connectivity with Cumberland. Layer 3 connectivity is operational for all of the devices listed in the Device ID column. An administrator consoled into the Waldorf router can ping the Brant router. Brant, Fisherman, and Potomac are directly connected to Montgomery.
17 Refer to the exhibit. Which route in the routing table of R1 will be discarded by its neighboring router? 192.168.2.0 192.168.3.0 192.168.4.0 192.168.9.0 192.168.10.0 192.168.11.0 18 Refer to the exhibit. Based on the partial output in the exhibit, why can users establish a console connection to this router without entering a password? The login command was not entered on the console line. The enable password should be an enable secret password. No username and password combination has been configured. Console connections cannot be configured to require users to provide passwords. 19 Refer to the exhibit. An administrator is attempting to configure a router by copying and pasting the commands that are shown in the exhibit. However, only one of the FastEthernet interfaces is coming up. What is the problem? Both interfaces are in the same IP subnet. FastEthernet0/1 does not have a description. There can be only one FastEthernet interface enabled on a router at one time. The administrator did not exit to global configuration mode before configuring FastEthernet0/1. 20 Refer to the exhibit. The network administrator has run the following command on R1. R1(config)# ip route 192.168.2.0 255.255.255.0 172.16.1.2 What is the result of running this command?
Traffic for network 192.168.2.0 is forwarded to 172.16.1.2. This route is automatically propagated throughout the entire network. Traffic for all networks is forwarded to 172.16.1.2. The command invokes a dynamic routing protocol for 192.168.2.0. 21 Refer to the exhibit. The command ip route 0.0.0.0 0.0.0.0 S0/0/0 is run on router R2. What are the two results of this command? (Choose two.) A static route will be updated in the routing table. The traffic from the Internet will be directed to R2. The traffic from the source network 172.16.0.0/22 will be blocked. The route will be specified as the default route for all networks not defined in the routing table. All the broadcasts will be forwarded via the S0/0/0 interface of R2. 22 Refer to the exhibit. All routers are running the same routing protocol. Based on the exhibit and its displayed commands, which statement is true? The wildcard mask is incorrectly configured. A default route must be configured on every router. Routers B, C, and D have no access to the Internet. The link to the ISP is not advertised by the routing protocol process. 23 The command ip route 192.168.2.0 255.255.255.0 172.16.2.2 was entered into the router. After network changes were made, the n next hop for the 192.168.2.0/24 network is 172.16.5.1. What should an administrator do so that the router will use the new next hop reach the 192.168.2.0 network? Enter the command clear ip route *. Lower the administrative distance for the new path to ensure that it is used first. Negate the original command and enter a new static route with the new next hop. Nothing. The router will learn of the new next hop and automatically update the route table.
24 Refer to the exhibit. On the basis of the show running-config output, which option correctly reflects the routes that will be listed in R2 routing table? 25 Refer to the exhibit. Routers 1 and 2 are directly connected over a serial link. Pings are failing between the two routers. What chang the administrator will correct the problem? Set the encapsulation on both routers to PPP. Decrease the bandwidth on Serial 0/1/0 on router 2 to 1544. Change the cable that connects the routers to a crossover cable. Change the IP address on Serial 0/1/0 on router 2 to 192.168.0.1/30. 26 Refer to the exhibit. Which combination of network ID and subnet mask can be used to meet the 24 host requirement of the LAN tha attached to Router3? 192.168.0.0/27 192.168.0.64/26 192.168.0.192/26 192.168.0.192/27 27 Refer to the exhibit. The networks that are connected to R1 have been summarized for R2 as 192.168.136.0/21. Which packet destination address will R2 forward to R1? 192.168.135.1 192.168.142.1
192.168.144.1 192.168.128.1 28 A network administrator has been asked to configure a network using a classful IP addressing scheme. Which statement is true abo the IP addressing that will be used? Classful IP addresses can be used only when static routing is configured in the network. Classful IP addresses allow the network/host boundary to occur at any bit in the 32-bit address. The subnet mask for classful IP addresses can be determined by the value of the first octet of the IP address. Classful IP addresses require the subnet mask to be included in the routing updates that are propagated by the classful routing protocols. 29 Which range of IP addresses will be used by RIPv2, EIGRP, and OSPF routing protocols to send routing advertisements? 30 How will a router that is configured with a classless routing protocol determine the subnet mask that should be assigned to routes th are learned from neighboring classless routers? The subnet mask that is included in the routing updates will be used. The subnet mask of the interface that receives the update will be used. The subnet mask that is specified in the network command will be used. The class of the network in the update will determine the subnet mask that is used. 31 Refer to the exhibit. Both routers are using the RIPv2 routing protocol and static routes are undefined. R1 can ping 192.168.2.1 and 10.1.1.2, but is unable to ping 192.168.4.1.
What is the reason for the ping failure? The serial interface between two routers is down. R2 is not forwarding the routing updates. The 192.168.4.0 network is not included in the RIP configuration of R2. RIPv1 needs to be configured. 32 Refer to the exhibit. When troubleshooting a network, it is important to interpret the output of various router commands. On the basis the exhibit, which three statements are true? (Choose three.) The missing information for Blank 1 is the command show ip route. The missing information for Blank 1 is the command debug ip route. The missing information for Blank 2 is the number 100. The missing information for Blank 2 is the number 120. The missing information for Blank 3 is the letter R. The missing information for Blank 3 is the letter C. 33 Refer to the exhibit. The network is using the RIPv2 routing protocol. If network 10.0.0.0 goes down, what mechanism will prevent Router1 from advertising false routing information back to Router2? triggered updates poison reverse holddown timers split horizon 34 How does route poisoning prevent routing loops? New routing updates are ignored until the network has converged. Failed routes are advertised with a metric of infinity. A route is marked as unavailable when its Time to Live is exceeded. The unreachable route is cleared from the routing table after the invalid timer expires.
35 Refer to the exhibit. R1 and R2 are both configured with RIPv1. Beginning from global configuration mode, what comand or comma will eliminate RIP updates on the Ethernet segment of R2? R2# configure terminal R2(config)# router rip R2(config-router)# passive-interface FastEthernet0/0 R2# configure terminal R2(config)# passive-interface FastEthernet0/0 R2# passive-interface FastEthernet0/0 R2# configure terminal R2(config)# interface FastEthernet0/0 R2(config-if)# passive-interface FastEthernet0/0 36 Refer to the exhibit. All routers are configured with RIPv2 active on all interfaces. Automatic summarization is in effect. Why does th routing table on R3 include the 209.165.200.228/30 network but not the 172.30.1.0/24 and 172.30.2.0/24 networks? CIDR is required to route supernets. There is no default gateway configured. The 172.30.0.0/16 subnets are discontiguous. RIPv2 cannot route networks with variable subnets. 37 Refer to the exhibit. The routers in the exhibit are running the EIGRP routing protocol. What statement is true regarding how packet travel from the 172.16.1.0/16 network to the 192.168.200.0/24 network? The router chooses the first path that it learned and installs only that route in the routing table. The router chooses the path with the lowest administrative distance and installs only that route in the routing table. The router chooses the highest routing ID based on the advertised network IP addresses and installs only that route in the rout table. The router installs all the equal cost paths in the routing table but sends packets out only one, holding the others in reserve in c the primary route goes down. The router installs all the equal cost paths in the routing table and performs equal cost load balancing to send packets out mult exit interfaces. 38 Refer to the exhibit. Which two statements are true based on the exhibited output? (Choose two.) All routes are stable. Each route has one feasible successor. The serial interface between the two routers is down.
The administrative distance of EIGRP has been set to 50. The show ip eigrp topology command has been run on R1. 39 Refer to the exhibit. Host A is having problems accessing server A. All routers have the same EIGRP configuration as router RTR_A What should be done so that host A can access server A? Add the command no auto-summary on all routers. Change the network statements to include a wildcard mask. Adjust the EIGRP hello timers to account for the network delay. Add the command eigrp log-neighbor-changes on all routers. 40 When would the network administrator use the ip bandwidth-percent eigrp as-number percent command? when there is a low bandwidth connection when the connection is on a shared medium when the connection is serial instead of Ethernet when the link is always busy 41 Refer to the exhibit. What information can be determined from the displayed output? EIGRP packets are waiting to be sent to the neighbors. The adjacencies between the routers are yet to be established. The IP address 192.168.10.10 is configured at serial interface S0/0/1 of router R2. Router R2 is receiving hello packets from a neighbor with the IP address 192.168.10.10 via the R2 S0/0/1 interface. 42 Refer to the exhibit. What will happen if interface Serial0/0/1 goes down on Router1? The Dijkstra algorithm will calculate the feasible successor. DUAL will query neighbors for a route to network 192.168.1.0. Neighbor 172.16.3.2 will be promoted to the feasible successor.
Traffic destined to the 192.168.1.0 network will be dropped immediately due to lack of a feasible successor. 43 Which statement correctly describes a feasible successor in EIGRP? It is a primary route that is stored in the routing table. It is a backup route that is stored in the routing table. It is a primary route that is stored in the topology table. It is a backup route that is stored in the topology table. 44 Refer to the exhibit. A network administrator is trying to determine why router JAX has no OSPF routes in its routing table. All router configured for OSPF area 0. From the JAX router, the administrator is able to ping its connected interfaces and the Fa0/1 interface o ORL router but no other router interfaces. What is a logical step that the network administrator should take to troubleshoot the probl Reboot the routers. Change the OSPF process ID on all of the routers to 0. Check to see if the cable is loose between ORL and JAX. Check to see if CDP packets are passing between the routers. Use show and debug commands to determine if hellos are propagating. 45 Which of the following are required when adding a network to the OSPF routing process configuration? (Choose three.) network address loopback address autonomous system number subnet mask wildcard mask area ID 46 Refer to the exhibit. R1 and R2 are unable to establish an adjacency. What two configuration changes will correct the problem? (Ch two.) Set a lower priority on R2.
Configure the routers in the same area. Set a lower cost on R2 compared to R1. Add a backup designated router to the network. Match the hello and dead timers on both routers. 47 A network administrator is analyzing routing update behavior on a network that has both EIGRP and OSPF configured on all routers Both protocols appear in the output of show ip protocols. However, only EIGRP internal routes appear in the routing tables. Which statement correctly explains the scenario? The OSPF protocol has a higher cost than EIGRP. The EIGRP protocol has a lower metric than OSPF. The EIGRP protocol was configured first on the router. The EIGRP protocol has a lower administrative distance than OSPF. 48 Refer to the exhibit. All routers are configured for OSPF area 0. The network administrator requires that R2 always be the DR and maintain adjacency. Which two configurations can achieve this? (Choose two.) Change the OSPF area of R2 to a higher value. Change the router ID for R2 by assigning the IP address 172.16.30.5/24 to the Fa0/0 interface. Change the priority values of the Fa0/0 interfaces of R1 and R3 to 0. Configure a loopback interface on R2, with an IP address higher than any IP address on the other routers. Configure R1 and R3 with an IP address whose value is higher than that of R2. 49 Refer to the exhibit. A network administrator has configured OSPF using the following command: network 192.168.1.32 0.0.0.31 area 0 Which router interface will participate in OSPF? FastEthernet0/0 FastEthernet0/1 Serial0/0/0 Serial0/0/1
50 Which two statements are true for OSPF Hello packets? (Choose two.) They are used for dynamic neighbor discovery. They are used to maintain neighbor relationships. They are used to determine the complete network topology. They are used with timers to elect the designated router with the fastest link. They are used to negotiate correct parameters among neighboring interfaces.

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ivesgimpaya3

  • 1. 1 Which of the following are primary functions of a router? (Choose two.) packet switching microsegmentation domain name resolution path selection flow control 2 A network administrator is in charge of two separate networks that share a single building. What device will be required to connect t two networks and add a common connection to the Internet that can be shared? hub router access point Ethernet switch 3 A router boots and enters setup mode. What is the reason for this? The IOS image is corrupt. Cisco IOS is missing from flash memory. The configuration file is missing from NVRAM. The POST process has detected hardware failure. 4 Refer to the exhibit. A network administrator adds this command to router R1: ip route 192.168.2.0 255.255.255.0 S0/0/0. What is t result of adding this command? This route is automatically propagated throughout the network. The traffic for network 172.16.1.0 is forwarded to network 192.168.2.0. A static route is established. The traffic for all Class C networks is forwarded to 172.16.1.2. 5 In a complex lab test environment, a router has discovered four paths to 192.168.1.0/24 via the use of the RIP routing process. Whi route will be installed in the routing table after the discovery of all four paths? R 192.168.1.0/24 [120/3] via 192.168.110.1, 00:00:17, Serial0/1/0
  • 2. R 192.168.1.0/24 [120/2] via 192.168.200.1, 00:00:17, Serial0/0/0 R 192.168.1.0/24 [120/1] via 192.168.100.1, 00:00:17, Serial0/0/1 R 192.168.1.0/24 [120/4] via 192.168.101.1, 00:00:17, Serial0/1/1 6 Which three statements are true regarding the encapsulation and de-encapsulation of packets when traveling through a router? (Ch three.) The router modifies the TTL field, decrementing it by one. The router changes the source IP to the IP of the exit interface. The router maintains the same source and destination IP. The router changes the source physical address to the physical address of the exit interface. The router changes the destination IP to the IP of the exit interface. The router sends the packet out all other interfaces, besides the one it entered the router on. 7 Refer to the exhibit. Router R1 receives a packet for destination 192.168.1.10. Which route will be preferred for this packet? through the Fa0/0 interface through the Fa0/1 interface through the S0/0/0 interface through the S0/0/1 interface 8 Refer to the exhibit. Which two routes are level 1 ultimate routes? (Choose two.) 10.0.0.0 10.1.2.0 10.2.2.0 10.1.1.0 192.168.1.0 192.168.2.0
  • 3. 9 Which routing protocol by default uses bandwidth and delay to calculate the metric of a route? RIPv1 RIPv2 OSPF EIGRP 10 Which statement is true about the metrics used by routing protocols? A metric is a value used by a particular routing protocol to compare paths to remote networks. A common metric is used by all routing protocols. The metric with the highest value is installed in the routing table. The router may use only one parameter at a time to calculate the metric. 11 Refer to the exhibit. A router learns a route to the 192.168.6.0 network, as shown in the output of the show ip rip database comma However, upon running the show ip route command, the network administrator sees that the router has installed a different route to 192.168.6.0 network learned via EIGRP. What could be the reason for the missing RIP route? Compared to RIP, EIGRP has a lower administrative distance. Compared to EIGRP, RIP has a higher metric value for the route. Compared to RIP, the EIGRP route has fewer hops. Compared to RIP, EIGRP has a faster update timer. 12 Refer to the exhibit. RIPv1 has been used as a routing protocol on the network. A new 172.16.2.0/24 network has been added on ro R2 and configured under the RIP routing process. When will R1 converge? after 13 seconds after 30 seconds after 180 seconds after R1 receives triggered updates from R2 13 Which two statements are true for link-state routing protocols? (Choose two.)
  • 4. Routers that run a link-state protocol can establish a complete topology of the network. Routers in a multipoint network that run a link-state protocol can exchange routing tables. Routers use only hop count for routing decisions. The shortest path first algorithm is used. Split horizon is used to avoid routing loops. 14 An administrator is configuring Router1 so that it can connect to Router2 by using IP. Which protocol can be used by Router1 to determine the IP address of Router2 when they are directly connected and only Layer 2 connectivity exists between them? ARP CDP ICMP Telnet 15 Refer to the exhibit. A device is required to complete the connection between router R1 and the WAN. Which two devices can be us for this? (Choose two.) a CSU/DSU device a modem an Ethernet switch a hub a bridge 16 What can be determined from the output shown in the exhibit? (Choose two.) Annapolis is a 2611 router that is connected to the S0/0 interface of the Montgomery router. All of the routers are connected to Montgomery through an Ethernet switch. Montgomery has Layer 2 connectivity with Cumberland. Layer 3 connectivity is operational for all of the devices listed in the Device ID column. An administrator consoled into the Waldorf router can ping the Brant router. Brant, Fisherman, and Potomac are directly connected to Montgomery.
  • 5. 17 Refer to the exhibit. Which route in the routing table of R1 will be discarded by its neighboring router? 192.168.2.0 192.168.3.0 192.168.4.0 192.168.9.0 192.168.10.0 192.168.11.0 18 Refer to the exhibit. Based on the partial output in the exhibit, why can users establish a console connection to this router without entering a password? The login command was not entered on the console line. The enable password should be an enable secret password. No username and password combination has been configured. Console connections cannot be configured to require users to provide passwords. 19 Refer to the exhibit. An administrator is attempting to configure a router by copying and pasting the commands that are shown in the exhibit. However, only one of the FastEthernet interfaces is coming up. What is the problem? Both interfaces are in the same IP subnet. FastEthernet0/1 does not have a description. There can be only one FastEthernet interface enabled on a router at one time. The administrator did not exit to global configuration mode before configuring FastEthernet0/1. 20 Refer to the exhibit. The network administrator has run the following command on R1. R1(config)# ip route 192.168.2.0 255.255.255.0 172.16.1.2 What is the result of running this command?
  • 6. Traffic for network 192.168.2.0 is forwarded to 172.16.1.2. This route is automatically propagated throughout the entire network. Traffic for all networks is forwarded to 172.16.1.2. The command invokes a dynamic routing protocol for 192.168.2.0. 21 Refer to the exhibit. The command ip route 0.0.0.0 0.0.0.0 S0/0/0 is run on router R2. What are the two results of this command? (Choose two.) A static route will be updated in the routing table. The traffic from the Internet will be directed to R2. The traffic from the source network 172.16.0.0/22 will be blocked. The route will be specified as the default route for all networks not defined in the routing table. All the broadcasts will be forwarded via the S0/0/0 interface of R2. 22 Refer to the exhibit. All routers are running the same routing protocol. Based on the exhibit and its displayed commands, which statement is true? The wildcard mask is incorrectly configured. A default route must be configured on every router. Routers B, C, and D have no access to the Internet. The link to the ISP is not advertised by the routing protocol process. 23 The command ip route 192.168.2.0 255.255.255.0 172.16.2.2 was entered into the router. After network changes were made, the n next hop for the 192.168.2.0/24 network is 172.16.5.1. What should an administrator do so that the router will use the new next hop reach the 192.168.2.0 network? Enter the command clear ip route *. Lower the administrative distance for the new path to ensure that it is used first. Negate the original command and enter a new static route with the new next hop. Nothing. The router will learn of the new next hop and automatically update the route table.
  • 7. 24 Refer to the exhibit. On the basis of the show running-config output, which option correctly reflects the routes that will be listed in R2 routing table? 25 Refer to the exhibit. Routers 1 and 2 are directly connected over a serial link. Pings are failing between the two routers. What chang the administrator will correct the problem? Set the encapsulation on both routers to PPP. Decrease the bandwidth on Serial 0/1/0 on router 2 to 1544. Change the cable that connects the routers to a crossover cable. Change the IP address on Serial 0/1/0 on router 2 to 192.168.0.1/30. 26 Refer to the exhibit. Which combination of network ID and subnet mask can be used to meet the 24 host requirement of the LAN tha attached to Router3? 192.168.0.0/27 192.168.0.64/26 192.168.0.192/26 192.168.0.192/27 27 Refer to the exhibit. The networks that are connected to R1 have been summarized for R2 as 192.168.136.0/21. Which packet destination address will R2 forward to R1? 192.168.135.1 192.168.142.1
  • 8. 192.168.144.1 192.168.128.1 28 A network administrator has been asked to configure a network using a classful IP addressing scheme. Which statement is true abo the IP addressing that will be used? Classful IP addresses can be used only when static routing is configured in the network. Classful IP addresses allow the network/host boundary to occur at any bit in the 32-bit address. The subnet mask for classful IP addresses can be determined by the value of the first octet of the IP address. Classful IP addresses require the subnet mask to be included in the routing updates that are propagated by the classful routing protocols. 29 Which range of IP addresses will be used by RIPv2, EIGRP, and OSPF routing protocols to send routing advertisements? 30 How will a router that is configured with a classless routing protocol determine the subnet mask that should be assigned to routes th are learned from neighboring classless routers? The subnet mask that is included in the routing updates will be used. The subnet mask of the interface that receives the update will be used. The subnet mask that is specified in the network command will be used. The class of the network in the update will determine the subnet mask that is used. 31 Refer to the exhibit. Both routers are using the RIPv2 routing protocol and static routes are undefined. R1 can ping 192.168.2.1 and 10.1.1.2, but is unable to ping 192.168.4.1.
  • 9. What is the reason for the ping failure? The serial interface between two routers is down. R2 is not forwarding the routing updates. The 192.168.4.0 network is not included in the RIP configuration of R2. RIPv1 needs to be configured. 32 Refer to the exhibit. When troubleshooting a network, it is important to interpret the output of various router commands. On the basis the exhibit, which three statements are true? (Choose three.) The missing information for Blank 1 is the command show ip route. The missing information for Blank 1 is the command debug ip route. The missing information for Blank 2 is the number 100. The missing information for Blank 2 is the number 120. The missing information for Blank 3 is the letter R. The missing information for Blank 3 is the letter C. 33 Refer to the exhibit. The network is using the RIPv2 routing protocol. If network 10.0.0.0 goes down, what mechanism will prevent Router1 from advertising false routing information back to Router2? triggered updates poison reverse holddown timers split horizon 34 How does route poisoning prevent routing loops? New routing updates are ignored until the network has converged. Failed routes are advertised with a metric of infinity. A route is marked as unavailable when its Time to Live is exceeded. The unreachable route is cleared from the routing table after the invalid timer expires.
  • 10. 35 Refer to the exhibit. R1 and R2 are both configured with RIPv1. Beginning from global configuration mode, what comand or comma will eliminate RIP updates on the Ethernet segment of R2? R2# configure terminal R2(config)# router rip R2(config-router)# passive-interface FastEthernet0/0 R2# configure terminal R2(config)# passive-interface FastEthernet0/0 R2# passive-interface FastEthernet0/0 R2# configure terminal R2(config)# interface FastEthernet0/0 R2(config-if)# passive-interface FastEthernet0/0 36 Refer to the exhibit. All routers are configured with RIPv2 active on all interfaces. Automatic summarization is in effect. Why does th routing table on R3 include the 209.165.200.228/30 network but not the 172.30.1.0/24 and 172.30.2.0/24 networks? CIDR is required to route supernets. There is no default gateway configured. The 172.30.0.0/16 subnets are discontiguous. RIPv2 cannot route networks with variable subnets. 37 Refer to the exhibit. The routers in the exhibit are running the EIGRP routing protocol. What statement is true regarding how packet travel from the 172.16.1.0/16 network to the 192.168.200.0/24 network? The router chooses the first path that it learned and installs only that route in the routing table. The router chooses the path with the lowest administrative distance and installs only that route in the routing table. The router chooses the highest routing ID based on the advertised network IP addresses and installs only that route in the rout table. The router installs all the equal cost paths in the routing table but sends packets out only one, holding the others in reserve in c the primary route goes down. The router installs all the equal cost paths in the routing table and performs equal cost load balancing to send packets out mult exit interfaces. 38 Refer to the exhibit. Which two statements are true based on the exhibited output? (Choose two.) All routes are stable. Each route has one feasible successor. The serial interface between the two routers is down.
  • 11. The administrative distance of EIGRP has been set to 50. The show ip eigrp topology command has been run on R1. 39 Refer to the exhibit. Host A is having problems accessing server A. All routers have the same EIGRP configuration as router RTR_A What should be done so that host A can access server A? Add the command no auto-summary on all routers. Change the network statements to include a wildcard mask. Adjust the EIGRP hello timers to account for the network delay. Add the command eigrp log-neighbor-changes on all routers. 40 When would the network administrator use the ip bandwidth-percent eigrp as-number percent command? when there is a low bandwidth connection when the connection is on a shared medium when the connection is serial instead of Ethernet when the link is always busy 41 Refer to the exhibit. What information can be determined from the displayed output? EIGRP packets are waiting to be sent to the neighbors. The adjacencies between the routers are yet to be established. The IP address 192.168.10.10 is configured at serial interface S0/0/1 of router R2. Router R2 is receiving hello packets from a neighbor with the IP address 192.168.10.10 via the R2 S0/0/1 interface. 42 Refer to the exhibit. What will happen if interface Serial0/0/1 goes down on Router1? The Dijkstra algorithm will calculate the feasible successor. DUAL will query neighbors for a route to network 192.168.1.0. Neighbor 172.16.3.2 will be promoted to the feasible successor.
  • 12. Traffic destined to the 192.168.1.0 network will be dropped immediately due to lack of a feasible successor. 43 Which statement correctly describes a feasible successor in EIGRP? It is a primary route that is stored in the routing table. It is a backup route that is stored in the routing table. It is a primary route that is stored in the topology table. It is a backup route that is stored in the topology table. 44 Refer to the exhibit. A network administrator is trying to determine why router JAX has no OSPF routes in its routing table. All router configured for OSPF area 0. From the JAX router, the administrator is able to ping its connected interfaces and the Fa0/1 interface o ORL router but no other router interfaces. What is a logical step that the network administrator should take to troubleshoot the probl Reboot the routers. Change the OSPF process ID on all of the routers to 0. Check to see if the cable is loose between ORL and JAX. Check to see if CDP packets are passing between the routers. Use show and debug commands to determine if hellos are propagating. 45 Which of the following are required when adding a network to the OSPF routing process configuration? (Choose three.) network address loopback address autonomous system number subnet mask wildcard mask area ID 46 Refer to the exhibit. R1 and R2 are unable to establish an adjacency. What two configuration changes will correct the problem? (Ch two.) Set a lower priority on R2.
  • 13. Configure the routers in the same area. Set a lower cost on R2 compared to R1. Add a backup designated router to the network. Match the hello and dead timers on both routers. 47 A network administrator is analyzing routing update behavior on a network that has both EIGRP and OSPF configured on all routers Both protocols appear in the output of show ip protocols. However, only EIGRP internal routes appear in the routing tables. Which statement correctly explains the scenario? The OSPF protocol has a higher cost than EIGRP. The EIGRP protocol has a lower metric than OSPF. The EIGRP protocol was configured first on the router. The EIGRP protocol has a lower administrative distance than OSPF. 48 Refer to the exhibit. All routers are configured for OSPF area 0. The network administrator requires that R2 always be the DR and maintain adjacency. Which two configurations can achieve this? (Choose two.) Change the OSPF area of R2 to a higher value. Change the router ID for R2 by assigning the IP address 172.16.30.5/24 to the Fa0/0 interface. Change the priority values of the Fa0/0 interfaces of R1 and R3 to 0. Configure a loopback interface on R2, with an IP address higher than any IP address on the other routers. Configure R1 and R3 with an IP address whose value is higher than that of R2. 49 Refer to the exhibit. A network administrator has configured OSPF using the following command: network 192.168.1.32 0.0.0.31 area 0 Which router interface will participate in OSPF? FastEthernet0/0 FastEthernet0/1 Serial0/0/0 Serial0/0/1
  • 14. 50 Which two statements are true for OSPF Hello packets? (Choose two.) They are used for dynamic neighbor discovery. They are used to maintain neighbor relationships. They are used to determine the complete network topology. They are used with timers to elect the designated router with the fastest link. They are used to negotiate correct parameters among neighboring interfaces.