CCNA、CCNP、CCIE模拟试题(3)[1]

【网络综合 - Cisco认证试题】
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23.You are the network administrator at ABC. ABC has a switched network. You want to control the designation of the spanning-tree root bridge in the ABC network. What should you do?

A. By enabling uplink-fast on the ports of the desired switch. B. By lowering the bridge priority on the desired switch. C. By setting a lower MAC address on the designated switch. D. By raising the bridge ID on one switch.

24.You are a technician at ABC. You receive a report from several ABC users who complain that they get slow responses when sending and receiving email, especially when browsing the Internet. You investigate the complaint by checking the output of a ping command issued from her computer and find that it indicates intermitted success and failures messages, when attempting to contact the email server. A tracert to the corporate Internet gateway router shows high latency and occasional time out messages. What would be the most effective troubleshooting approach if you are to determine the cause of the slow response time?

A. Bottom-up approach B. Random access approach C. Divide and conquer approach D. Top-down approach E. Top-down rule-out approach

25.You are a technician at ABC. Your newly appointed ABC trainee wants to know what features make OSPF more suitable than RP in large network installations. What would your reply be? (Choose all that apply.)

A. Diffusing Update Algorithm B. No hop count limitation C. Higher routing update overhead D. Faster convergence E. Lower routing update overhead

CCIE

26.You are the network administrator at ABC. You are troubleshooting a network problem. You want to trace the route to a Unix workstation that you want to reach through the Internet. However, Traceroute does not work. Currently, there is an inbound access-list applied to the serial interface on Router 1. AnCisco认证