networking-ip-routing Related Question Answers

1. What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?





2. Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?





3. You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?





4. The Corporate router receives an IP packet with a source IP address of 192.168.214.20 and a destination address of 192.168.22.3. Looking at the output from the Corporate router, what will the router do with this packet? Corp#sh ip route [output cut] R 192.168.215.0 [120/2] via 192.168.20.2, 00:00:23, Serial0/0 R 192.168.115.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0 R 192.168.30.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0 C 192.168.20.0 is directly connected, Serial0/0 C 192.168.214.0 is directly connected, FastEthernet0/0





5. If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?






6. What is route poisoning?




7. Which of the following is true regarding RIPv2?





8. A network administrator views the output from the show ip route command. A network that is advertised by both RIP and IGRP appears in the routing table flagged as an IGRP route. Why is the RIP route to this network not used in the routing table?





9. What does RIPv2 use to prevent routing loops? CIDR Split horizon Authentication Classless masking Holddown timers





10. Which two of the following are true regarding the distance-vector and link-state routing protocols? Link state sends its complete routing table out all active interfaces on periodic time intervals. Distance vector sends its complete routing table out all active interfaces on periodic time intervals. Link state sends updates containing the state of its own links to all routers in the internetwork. Distance vector sends updates containing the state of its own links to all routers in the internetwork.





11. IGRP uses which of the following as default parameters for finding the best path to a remote network? Hop count MTU Cumulative interface delay STP Path bandwidth value





12. Network 206.143.5.0 was assigned to the Acme Company to connect to its ISP. The administrator of Acme would like to configure one router with the commands to access the Internet. Which commands could be configured on the Gateway router to allow Internet access to the entire network? Gateway(config)# ip route 0.0.0.0 0.0.0.0 206.143.5.2 Gateway(config)# router rip Gateway(config-router)# network 206.143.5.0 Gateway(config-router)# network 206.143.5.0 default





13. Which of the following statements are true regarding the command ip route 172.16.4.0 255.255.255.0 192.168.4.2? The command is used to establish a static route. The default administrative distance is used. The command is used to configure the default route. The subnet mask for the source address is 255.255.255.0.





14. Which command displays RIP routing updates?





15. Which statement is true regarding classless routing protocols? The use of discontiguous networks is not allowed. The use of variable length subnet masks is permitted. RIPv1 is a classless routing protocol. IGRP supports classless routing within the same autonomous system. RIPv2 supports classless routing.





16. You have the following routing table. Which of the following networks will not be placed in the neighbor routing table? R 192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0 C 192.168.40.0/24 is directly connected, Serial0 172.16.0.0/24 is subnetted, 1 subnets C 172.16.30.0 is directly connected, Loopback0 R 192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0 R 10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0 C 192.168.50.0/24 is directly connected, Ethernet0





17. What is split horizon?





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