1. What three statements are true about routers that are configured for EIGRP? (Choose three.)
- They can support multiple routed protocols
- They can support only link-state protocols.
- They send their entire routing tables to neighboring routers.
- They send partial routing updates in response to topology changes.
- They send routing updates to all other routers in the network.
- They use hello packets to inform neighboring routers of their status.
2. Given the following commands:
Router(config)# router rip Router(config-router)# network 192.31.7.0
What three conclusions can be determined based on the commands used on the router? (Choose three.)
- A link-state routing protocol is used.
- A distance vector routing protocol is used.
- Routing updates broadcast every 30 seconds.
- Routing updates broadcast every 90 seconds.
- Hop count is the only metric used for route selection.
- Bandwidth, load, delay, and reliability are metrics used for route selection.
3. What is indicated when an EIGRP route is in the passive state?
- The route has the highest path cost of all routes to that destination network.
- The route must be confirmed by neighboring routers before it is put in the active state.
- The route is a feasible successor and will be used if the active route fails.
- There is no activity on the route to that network.
- The route is viable and can be used to forward traffic.
4. What two problems may occur if the EIGRP default bandwidth for a serial link is higher than the actual bandwidth? (Choose two.)
- Routing updates will arrive too quickly for receiving routers to process.
- The port IP address will be rejected by the routing protocol.
- Suboptimal paths will be selected.
- The port protocol will return to the HDLC default.
- VLSM support will be disabled.
- Network convergence may be affected.
5. What is the default administrative distance for EIGRP internal routes?
- 70
- 90
- 100
- 110
- 120
- 255
6. A network administrator issues the command show ip route and sees this line of output:
192.168.3.0/24 [120/2] via 192.168.2.2, 00:00:05, Serial0/0
What two pieces of information can be obtained from the output? (Choose two.)
- RIP is the routing protocol configured.
- This is a static route to network 192.168.3.0.
- The metric for this route is 2.
- The next periodic update is in 5 seconds.
- The autonomous system number is 120.
7. Refer to the exhibit. Which statement is true about the EIGRP authentication configuration?
- RTA and RTB will accept updates from each other.
- RTA and RTB will not accept updates from each other because key 1 on RTB does not match RTA.
- RTA and RTB will not accept updates from each other because the key chain names do not match.
- The ip authentication mode AS does not match the locally configured AS.
8. Which Layer 4 protocol does EIGRP use to provide reliability for the transmission of routing information?
- DUAL
- IP
- PDM
- RTP
- TCP
- UDP
9. Refer to the exhibit. Routers RTR-1 and RTR-3 are completely configured. The administrator needs to configure the routing protocol on router RTR-2 so that communication occurs throughout the network. Which group of commands will successfully configure EIGRP on RTR-2?
- RTR-2(config)# router eigrp 1
RTR-2(config-router)# network 198.18.76.0 - RTR-2(config)# router eigrp 1
RTR-2(config-router)# network 198.18.76.0 0.0.0.3 no-summary
RTR-2(config-router)# network 198.18.76.4 0.0.0.3 no-summary
RTR-2(config-router)# network 198.18.76.128 0.0.0.192 no-summary - RTR-2(config)# router eigrp 1
RTR-2(config-router)# network 198.18.76.0 0.0.0.3 area 0
RTR-2(config-router)# network 198.18.76.4 0.0.0.3 area 0
RTR-2(config-router)# network 198.18.76.192 0.0.0.192 area 0 - RTR-2(config)# router eigrp 1
RTR-2(config-router)# network 198.18.76.0 0.0.0.3
RTR-2(config-router)# network 198.198.76.4 0.0.0.3
RTR-2(config-router)# network 198.198.76.128 0.0.0.192
10. What prevents RIPv1 updates from being correctly advertised?
- an increase in network load
- the use of variable length subnet masks
- the use of multiple Layer 3 networks on the same router
- a variation in connection speeds on the links to a destination
- a mismatch between the configured bandwidth and the actual bandwidth of a link
11. What does a router that is running RIP use to determine the best path to take when forwarding data?
- the host portion of the network address
- the speed of network convergence
- the calculated metric for the destination network
- the number of broadcasts occurring on an interface
- the number of errors occurring on an interface
12. What is the purpose of the network command when RIP is being configured as the routing protocol?
- It identifies the networks connected to the neighboring router.
- It restricts networks from being used for static routes.
- It identifies all of the destination networks that the router is allowed to install in its routing table.
- It identifies the directly connected networks that will be included in the RIP routing updates.
13. How do EIGRP routers establish and maintain neighbor relationships?
- by exchanging neighbor tables with directly attached routers
- by comparing known routes to information received in updates
- by exchanging hello packets with neighboring routers
- by dynamically learning new routes from neighbors
- by exchanging routing tables with directly attached routers
14. Refer to the exhibit. Routers A and B have EIGRP configured and automatic summarization has been disabled on both routers. Which router command will summarize the attached routes?
- ip area-range eigrp 1 192.168.10.80 255.255.255.224
- ip summary-address eigrp 1 192.168.10.64 255.255.255.192
- ip summary-address 192.168.10.80 0.0.0.31
- ip summary-address eigrp 1 192.168.10.64 0.0.0.63
- ip area-range eigrp 1 192.168.10.64 255.255.255.224
15. How often does RIPv2 send routing table updates, by default?
- every 30 seconds
- every 45 seconds
- every 60 seconds
- every 90 seconds
16. Refer to the exhibit. A network administrator is troubleshooting a routing problem. When the show ip route command is entered on RTR-1, only the serial link between RTR-2 and RTR-3 has been learned from the RIP routing protocol. What are two issues? (Choose two.)
- RIPv1 is a classful routing protocol.
- RIPv1 does not support subnetting.
- The Ethernet networks on RTR-2 and RTR-3 were not entered correctly in the network statements on these routers.
- RIPv1 does not support VLSM.
- RIPv1 is a classless routing protocol.
17. What two statements are correct regarding EIGRP authentication? (Choose two.)
- EIGRP authentication uses the MD5 algorithm.
- EIGRP authentication uses a pre-shared key.
- EIGRP authentication requires that both routers have the same key chain name.
- EIGRP authentication uses varying levels of WEP to encrypt data exchanged between routers.
- EIGRP authentication can be configured on one router and updates from this router are protected; whereas a neighbor router can be without the authentication configuration and its updates are unprotected.
18. When should EIGRP automatic summarization be turned off?
- when a router has not discovered a neighbor within three minutes
- when a router has more than three active interfaces
- when a network contains discontiguous network addresses
- when a router has less than five active interfaces
- when a network addressing scheme uses VLSM
19. What is the maximum number of hops that RIP will attempt before it considers the destination unreachable?
- 14 hops
- 15 hops
- 16 hops
- 17 hops
20. What two statements are true regarding EIGRP tables? (Choose two.)
- A feasible successor route can be found in the topology table.
- A successor route can only be found in the routing table.
- The topology table shows whether a route is in the passive or active state.
- The routing table shows the amount of time elapsed since a router adjacency was formed.
- The neighbor table shows all adjacent Cisco devices.
- Administrative distance is shown as a column in the neighbor table.
21. Refer to the exhibit. Which statement is true about the output from the show ip protocols command?
- RIPv2 is configured on this router.
- Auto summarization has been disabled.
- The next routing update is due in 17 seconds.
- 192.168.16.1 is the address configured on the local router