【名词&注释】
路由表(routing table)、路由器(router)、不一致(inconsistency)、帧中继(frame relay)、区域内(intra-region)
[单选题]A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?
A. 172.16.42.0
B. 172.16.107.0
C. 172.16.208.0
D. 172.16.252.0
E. 172.16.254.0
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学习资料:
[单选题]OSPF在同一区域内(intra-region),下列说法正确的是()
A. 每台路由器生成的LSA都是相同的
B. 每台路由器的LSDB(链路状态数据库)都是相同的
C. 每台路由器根据该LSDB计算出的最短路径树都是相同的
D. 每台路由器根据该最短路径树计算出的路由都是相同的
[单选题]路由器上“水平分割”的功能是:()
A. 分离端口
B. 阻止路由环路
C. 简化配置
D. 方便故障处理
[单选题]路由器上,命令“show int s0”的显示结果为:Serial0 is up,line protocol is down出现该结果的可能原因是()
A. 端口处于关闭状态
B. 物理端口被烧毁
C. 两端设备协议不一致
D. 路由表中无路由
[单选题]帧中继环境中,在物理端口上,建立子接口的命令是()
A. create
B. interface
C. encapsulation
D. ip address
[单选题]路由器“路由模式”的提示符号是()
B. (config)
C. (config-if)
D. (config-router)
[单选题]路由器上,清空路由表的命令是()
A. clear ip
B. delete ip route
C. delete route
D. clearip route*
[多选题]In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)
A. Blocking
B. Listening
C. Forwarding
D. Learning
E. Relaying
[单选题]After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?
A. It will recall the previous command line
B. It will move the cursor one line up
C. It will redisplay the current command line
D. It will capitalize the command line
E. None of the above
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