Câu hỏi ôn thi Final CCNA2

CÂU HỎI ÔN THI FINAL CCNA2
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1. 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 
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3. 
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In a lab test environment, a router has learned about network 172.16.1.0 through four different dynamic routing processes. Which route will be used to reach this network? 
D 172.16.1.0/24 [90/2195456] via 192.168.200.1, 00:00:09, Serial0/0/0 
O 172.16.1.0/24 [110/1012] via 192.168.200.1, 00:00:22, Serial0/0/0 
R 172.16.1.0/24 [120/1] via 192.168.200.1, 00:00:17, Serial0/0/0 
I 172.16.1.0/24 [100/1192] via 192.168.200.1, 00:00:09, Serial0/0/0
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8. 
Which two statements are true about the EIGRP successor route? (Choose two.) 
It is saved in the topology table for use if the primary route fails.
 It may be backed up by a feasible successor route. 
It is used by EIGRP to forward traffic to the destination. 
It is flagged as active in the routing table. 
After the discovery process has occurred, the successor route is stored in the neighbor table.
9. 
10.
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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. 
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11. 
Because of a topology change, the next hop IP address in the current static route must be reconfigured. How can a static route entry be altered to accommodate a topology change? 
Keep the existing static route and configure a new static route with the correct next hop IP address.
 Negate the existing static route and configure a new static route with the correct next hop IP address.
 Do nothing. The existing static route will automatically update the next hop entry with the new IP address.
 Keep the existing static route, reload the router, and configure a new static route with the correct next hop IP address.
12.
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In an examination of two OSPF routers that fail to exchange information, it is determined that they have not become OSPF neighbors. Which two configuration values must match for the OSPF routers to become neighbors? 
neighbor ID and router ID 
dead time and hello time 
OSPF area and neighbor ID 
OSPF area and interface priority 
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13.
Why is fast convergence desirable in networks that use dynamic routing protocols? 
Hosts are unable to access their gateway until the network is converged.
 Routers will not allow packets to be forwarded until the network is converged.
 Routers may make incorrect forwarding decisions until the network has converged. Routers will not allow configuration changes to be made until the network has converged.
14.
Which multicast address does EIGRP use to send hello and updates packets? 
224.0.0.5
 224.0.0.6
 224.0.0.9 
224.0.0.10
15.
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A network administrator is using an application that is monitoring packets on the network and sees an EIGRP update packet. What is the purpose of the update packet? 
The packet is sent to discover neighbors within the EIGRP network. 
The packet is sent to search for network devices within an EIGRP network. 
The packet is used to propagate routing information within the EIGRP network. 
The packet is used to send an unreachable reply to another router within the EIGRP network. 
The packet is used to notify all routers that EIRGP has failed on one of the routers within the EIGRP network. 
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