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单选题
TDCS中使用show interface命令查看路由器接口如显示line Protocol is down说明（）。
A
接口故障
B
接口正常
C
协议正常
D
协议故障
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考题
如果链路的一端被管理DOWN,你将看到的另一端接口状态输出信息是()
A.interface is down，line protocol is downB.interface is down，line protocol is upC.interface is up，line protocol is downD.interface is up，line protocol is up
考题
在路由器上运行了show int Ethernet 0命令后,提示Ethernet 0 is up line protocol is down,则表示()
A.端口正常B.连接故障，路由器未接到LAN上C.接口故障D.接口被人为地关闭
考题
Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?A．Serial0/1 is up, line protocol is downB．Serial0/1 is down, line protocol is downC．Serial0/1 is up, line protocol is upD．Serial0/1 is administratively down, line protocol is downE．None of the above
考题
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A. Serial 0 is up, line protocol is upB. Serial 0 is up, line protocol is downC. Serial 0 is down, line protocol is downD. Serial 0 is down, line protocol is upE. Serial 0 is administratively down, line protocol is downF. Serial 0 is administratively down, line protocol is up
考题
Which line from the output of the show ip interface command indicates a layer 1 problem?()
A. Serial0/1 is up, line protocol is downB. Serial0/1 is down, line protocol is downC. Serial0/1 is up, line protocol is upD. Serial0/1 is administratively down, line protocol is down
考题
当用户端cisco路由器上用showinterface命令时line和lineprotocal可能出现的几种组合?()。
A.line down；line protocol downB.line down；line protocolC.line up；line protocol downD.line up；line protocol up
考题
在使用Cisco IOS软件的交换机中，如下（）命令能够显示接口的状态信息（up/down）。A、show portB、show macC、show interface statusD、show ip interface briefE、shwo switchport
考题
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A、Serial 0 is up, line protocol is upB、Serial 0 is up, line protocol is downC、Serial 0 is down, line protocol is downD、Serial 0 is down, line protocol is upE、Serial 0 is administratively down, line protocol is downF、Serial 0 is administratively down, line protocol is up
考题
在路由器上运行了show int Ethernet 0命令后，提示Ethernet 0 is up line protocol is down，则表示（）A、端口正常B、连接故障，路由器未接到LAN上C、接口故障D、接口被人为地关闭
考题
如果执行了show interface serial 0命令而且出现了消息“Serial line is up，line protocol is up”，对于这条消息的正确解释是什么？（）A、链路正在接收和发送数据B、路由器已经正确配置了本地管理接口C、连接处于激活状态
考题
要查看一个Cisco路由器接口上是否有某些ACL，你该使用命令（）A、show running－config;B、show ip protocols;C、show ip interface;D、show ip network。
考题
下列（）状态是不可能在路由器的串行端口状态见到的。A、 Interface is up， line protocol is upB、 Interface is down， line protocol is downC、 Interface is down， line protocol is upD、 Interface is up， line protocol is down
考题
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
考题
当用户端cisco路由器上用showinterface命令时line和lineprotocal可能出现的几种组合？（）。A、line down；line protocol downB、line down；line protocolC、line up；line protocol downD、line up；line protocol up
考题
Which line from the output of the show ip interface command indicates a layer 1 problem?（）A、Serial0/1 is up, line protocol is downB、Serial0/1 is down, line protocol is downC、Serial0/1 is up, line protocol is upD、Serial0/1 is administratively down, line protocol is down
考题
如果链路的一端被管理DOWN，你将看到的另一端接口状态输出信息是（）A、interface is down，line protocol is downB、interface is down，line protocol is upC、interface is up，line protocol is downD、interface is up，line protocol is up
考题
单选题While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A
Serial 0 is up, line protocol is upB
Serial 0 is up, line protocol is downC
Serial 0 is down, line protocol is downD
Serial 0 is down, line protocol is upE
Serial 0 is administratively down, line protocol is downF
Serial 0 is administratively down, line protocol is up
考题
单选题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
考题
多选题当用户端cisco路由器上用showinterface命令时line和lineprotocal可能出现的几种组合？（）。Aline down；line protocol downBline down；line protocolCline up；line protocol downDline up；line protocol up
考题
单选题在路由器上运行了show int Ethernet 0命令后，提示Ethernet 0 is up line protocol is down，则表示（）A
端口正常B
连接故障，路由器未接到LAN上C
接口故障D
接口被人为地关闭
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