2014年思科认证：CCNA认证考试高分必备试题及答案2
为了帮助考生们复习好《思科认证：CCNA认证学科》，我们考吧网整理了一些关于思科认证：CCNA认证模拟试题，本次汇编的模拟试题希望对你的考试有所帮助，预祝你考试顺利
1What is WinSock (什么是Wi n S o c k )?
A. A version of sockets for the Microsoft Windows platform
B. Sockets on BSD UNIX
C. A session layer API commonly considered to be its own protocol
D. A network layer service for Microsoft Wi n d o w s
2.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. An entry in the access-list states "access-list 101 permit tcp any any".What access-listentry may you need to be added to the access-list in order to get traceroute towork?
A. access-list 101 permit udp any any
B. access-list 101 permit icmp any any time-exceeded access-list 101 permit icmpany any port-unreachable
C. access-list 101 permit icmp any any time-exceeded access-list 101 permit icmpany any net-unreachable
D. access-list 101 permit icmp any any echo access-list 101 permit icmp any anynet-unreachable
E. access-list 101 permit udp any any access-list 101 permit icmp any anyprotocol-unreachable
3.You are a technician at ABC.com. Your newly appointed ABC trainee wants toknow 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
4.You are the network administrator at ABC.com. 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.
推荐阅读：