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如果路由器显示“Serial 1 is down，line protocol is down”故障信息，则问题出在OSI参考模型的（ ） 。
A.物理层
B.数据链路层
C.网络层
D.会话层
B.数据链路层
C.网络层
D.会话层
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更多 “如果路由器显示“Serial 1 is down，line protocol is down”故障信息，则问题出在OSI参考模型的（ ） 。A.物理层 B.数据链路层 C.网络层 D.会话层 ” 相关考题
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
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
如果路由器显示"Serial 1 is down, line protocol is down"故障信息，则问题出在 OSI 参考 模型的（ ）。A.物理层B.数据链路层C.网络层D.会话层
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
Part of the configuration files for routers testking1 and testking2 are displayed below:If you were to enter the show interface serial 0 command on router testking1,which of the following will be displayed?（）A. Serial 0 is down, line protocol is downB. Serial 0 is up, line protocol is upC. Open: IPCP, CDPCPD. LCP closedE. LCP open
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
当学生A用两台Star—R2624路由器在做路由器广域网口连通实验时误将本端口路由器V.35线缆的插头插倒了。结果发现PING直连的路由器不通,请问此时需要查看路由器的状态应该是()
A.Serial 0 is up，line protocol is downB.Serial 0 is down，line protocol is downC.Serial 0 is down，line protocol is upD.Serial 0 is administratively down，line protocol is
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
如果路由器显示“Serial 1 is down，line protocol is down”故障信息，则问题出在OSI参考模型的（58） 。A.物理层
B.数据链路层
C.网络层
D.会话层
考题
PPP链路的状态为serial number is administratively down,line protocol is down时，说明（）。 A、物理链路有问题B、接口被管理员shutdown了C、参数配置不正确D、没大问题，重启路由器就行了
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
路由器出现Serial interface-number is up，line protocol is down（DTE）的状态，可能出现的问题不包括（）。A、本地或远程路由器配置丢失B、线路故障C、CSU/DSU故障D、LINE未与CSU/DSU联接
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
客户路由器S0/0接入帧中继网络，在路由器的接口上有如下显示信息： Serial1/1 current state： UP Line protocol current state： DOWN Internet Address is 3.3.3.2/24 接口的协议状态为DOWN，那么据此分析（）A、接口可能封装了PPP协议B、物理链路可能有故障C、封装的LMI类型可能与远端不一致D、如果接口封装了帧中继协议，此时PVC的状态应该是DOWN
考题
当学生A用两台Star—R2624路由器在做路由器广域网口连通实验时误将本端口路由器V.35线缆的插头插倒了。结果发现PING直连的路由器不通，请问此时需要查看路由器的状态应该是（）A、Serial 0 is up，line protocol is downB、Serial 0 is down，line protocol is downC、Serial 0 is down，line protocol is upD、Serial 0 is administratively down，line protocol is
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
单选题当学生A用两台Star—R2624路由器在做路由器广域网口连通实验时误将本端口路由器V.35线缆的插头插倒了。结果发现PING直连的路由器不通，请问此时需要查看路由器的状态应该是（）A
Serial 0 is up，line protocol is downB
Serial 0 is down，line protocol is downC
Serial 0 is down，line protocol is upD
Serial 0 is administratively down，line protocol is
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
单选题PPP链路的状态为serial number is administratively down，line protocol is down时，说明（）。A
物理链路有问题B
接口被管理员shutdown了C
参数配置不正确D
没大问题，重启路由器就行了
考题
单选题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
单选题路由器出现Serial interface-number is up，line protocol is down（DTE）的状态，可能出现的问题不包括（）。A
本地或远程路由器配置丢失B
线路故障C
CSU/DSU故障D
LINE未与CSU/DSU联接
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
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