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Router# show interf

题目

Router# show interfaces serial 0/1 命令的输出显示了如下内容：   Serial0/1 is down， line protocol is down.   线路协议为 down（关闭）的原因最可能是什么（）

  • A、Serial0/1 为关闭状态
  • B、路由器未连接电缆
  • C、远程路由器正在使用 serial 0/0 接口
  • D、尚未设置时钟频率
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相似问题和答案

第1题：

A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?（）

A. Router# show protocols

B. Router# show version

C. Router# show image

D. Router# show IOS

E. Router# show flash


参考答案：B

第2题：

You wish to upgrade the IOS of a router without removing the image currently installed.What command will display the amount of memory that is being used by the current IOS image and whether there is enough room available to hold both the current and new images?（）

A. Router# show version

B. Router# show flash

C. Router# show memory

D. Router# show buffers

E. Router# show running-config

F. All of the above


参考答案：B

第3题：

After implementing EIGRP on your network, you issue the show ip eigrp traffic command on router C. The following output is shown:What information can you determine about this network?()

A. The network is stable

B. There is a flapping link or interface, and router C knows an alternate path to the network

C. There is a flapping link or interf ace, and router C does not know an alternate path to the network

D. EIGRP is not working correctly on router C

E. There is not enough information to make a determination


参考答案：B

第4题：

Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame－relay map command shown?()

A.The Seria l0/0interface is passing traffic.

B.The DLCI 100 was dynamic allyallocated by the router

C.The Seria l0/0 interf aceacquired the IP address of 172.16.3.1 from a DHCP server

D.The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud

E.The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP


参考答案：E

第5题：

Which of the following commands will display the name of the IOS image file being used in a Cisco router?()

A. Router# show IOS

B. Router# show version

C. Router# show image

D. Router# show protocols

E. Router# show flash


参考答案：B, E

第6题：

Which command will display all the EIGRP feasible successor routes known to a router?()

A. Router# show ip eigrp routes *

B. Router# show ip eigrp summary

C. Router# show ip eigrp topology

D. Router# show ip eigrp adjacencies

E. Router# show ip eigrp neighbors detail


参考答案：C

第7题：

You need to upgrade the IOS of an existing router on your network. The new IOS image is located on a TFTP server that you have set up within the network. What command should you issue in order to download the new IOS version?（）

A. Router# copy tftp flash

B. Router# copy flash run

C. Router(config)# restore flash

D. Router(config)# repair flash

E. Router#copy flash tftp

F. Router# copy start flash


参考答案：A

第8题：

After implementing EIGRP on your network, you issue the show ip eigrp traffic command on router C. The following output is shown:What can you conclude about this network? ()

A. The network has been stable for at least the last 45 minutes

B. There is a flapping link or interf ace, and router C knows an alternate path to the network

C. There is a flapping link or interface, and router A does not know an alternate path to the network

D. EIGRP is not working correctly on router C

E. There is not enough information to make a determination


参考答案：A

第9题：

A network administrator is troubleshooing an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?（）

A. Router# show ip eigrp adjacency

B. Router# show ip eigrp topology

C. Router# show ip eigrp interfaces

D. Router# show ip eigrp neighbors


参考答案：D

第10题：

A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?（）

  • A、Router# show protocols
  • B、Router# show version
  • C、Router# show image
  • D、Router# show IOS
  • E、Router# show flash

正确答案:B

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