CCNA: Cisco Certified Network Associate
Study Guide Questions with Correct Answers Your company is running IGRP using as AS of 10. You want to configure EIGRP on the network but want to migrate slowly to EIGRP and don't want to configure redistribution. What command would allow migration over time to EIGRP without configuring redistribution - Correct Answer router eigrp 10 Which EIGRP information is hel in RAM and maintained through the use of Hello and update packets? - Correct Answer Neighbor table Topology table Which of the following describe the process identifier that is used to run OSPF on a router? - Correct Answer It is locally significant It is needed to identify a unique instance of an OSPF database Where are EIGRP successor routes stored? - Correct Answer In the routing and topology table Which command will display all the EIGRP feasible successor routes known to a router? - Correct Answer show ip eigrp topology You get a call from a network administrator who tells you that he typed the following into his router: Router(config)#router ospf 1 Router(config-router)#network 10.0.0.0 255.0.0.0 area 0 He still can't see any routes in the routing table. What configuration error did the administrator make? - Correct Answer The wildcard mask is incorrect Which of the following protocols support VLSM, summarization, and discontiguous networking? - Correct Answer EIGRP
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RIPv2 What is true regarding OSPF areas? - Correct Answer The backbone area is also called area 0 If your design is hierarchical, then you don't need multiple areas All areas must connect to area 0 Which network types have a designate router and a backup designated router assigned? - Correct Answer Broadcast NBMA A network adminstrator needs to configure a router with a distance-vector protocol that allows classless routing. What satisfies those requirements? - Correct Answer EIGRP You need the IP address of the devices with which the router has established an adjacency. Also, the retransmit interval and the queue counts for the adjacent routers need to be checked. What command will display the required information? - Correct Answer show ip eigrp neighbors An adjacency relationship can't be established on a common Ethernet link between 2 routers.Looking at the output below, what is the problem?RouterA# Ethernet0/0 is up, line protocol is up Internet Address 172.16.1.2/16, Area 0
Process ID 2, Router ID 172.126.1.1, Network Type BROADCAST, Cost: 10
Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 172.16.1.2, interface address 172.16.1.1 No backup designated router on this network Timer intervals configured, Hello 5, Dead 20, Wait 20, Retransmit 5 RouterB# Ethernet0/0 is up, line protocol is up Internet Address 172.16.1.1/16, Area 0 Process ID 2, Router ID 172.126.1.1, Network Type BROADCAST, Cost: 10
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