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考试代号: 642-902
认证名称：implementing cisco ip routing
版本号：V8.02
考题数量：474道
更新日期：2010-8-14
1.Which command will display EIGRP packets sent and received, as well as statistics on hello
packets, updates, queries, replies, and acknowledgments?
A. debug eigrp packets
B. show ip eigrp traffic
C. debug ip eigrp
D. show ip eigrp interfaces
Answer: B
2.Which three statements are true about EIGRP operation? (Choose three.) Select 3 response(s).
A. When summarization is configured, the router will also create a route to null 0.
B. The summary route remains in the route table, even if there are no more specific routes to the
network.
C. Summarization is configured on a per-interface level.
D. The maximum metric for the specific routes is used as the metric for the summary route.
E. Automatic summarization across major network boundaries is enabled by default.
Answer: A,C,E
3.Which two statements about the EIGRP DUAL process are correct? (Choose two.) Select 2
response(s).
A. An EIGRP route will go active if there are no successors or feasible successors in the EIGRP
topology table.
B. An EIGRP route will go passive if there are no successors in the EIGRP topology table.
C. DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state.
D. A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to.
E. The stuck in active state is caused when the wait for the query replies have timed out.
F. EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.
Answer: A,E
4.What are three key concepts that apply when configuring the EIGRP stub routing feature in a hub and spoke network? (Choose three.) Select 3 response(s).
A. A hub router prevents routes from being advertised to the remote router.
B. Only remote routers are configured as stubs.
C. Stub routers are not queried for routes.
D. Spoke routers connected to hub routers answer the route queries for the stub router.
E. A stub router should have only EIGRP hub routers as neighbors.
F. EIGRP stub routing should be used on hub routers only.
Answer: B,C,E
5.Based on the exhibited output, which three statements are true? (Choose three.)
A. All the routes are in the passive mode because R1 is in the query process for those routes.
B. R1 is in AS 200.
C. R1 will load balance between three paths to reach the 192.168.1.48/28 prefix because all three
paths have the same advertised distance (AD) of 40512000.
D. 40512000 is the advertised distance (AD) via 192.168.1.66 to reach the 192.168.1.48/28 prefix.
E. All the routes are in the passive mode because these routes are in the hold-down state.
F. The best path for R1 to reach the 192.168.1.48/28 prefix is via 192.168.1.66.
Answer: B,D,F
6.Refer to the exhibit. EIGRP is configured with the default configuration on all routers. Auto
summarization is enabled on routers R2 and R3, but it is disabled on router R1. Which two EIGRP
routes will be seen in the routing table of router R3? (Choose two.)
A. 10.0.0.0/8
B. 172.16.10.0/24
C. 172.16.0.0/24
D. 10.10.10.0/24
E. 172.16.0.0/16
F. 10.10.0.0/16
Answer: D,E
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