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
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
相关考题：
路由器出现Serialinterface－numberisup,lineprotocolisdown(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
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
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
What is the difference between a CSU／DSU and a modem?() A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
csu／dsu和modem的不同点是什么() A.一个CSU/DSU转换成模拟信号，从路由器到租用线路；一个调制解调器从一个路由器到一个租用线路转换的模拟信号。B.一个CSU/DSU转换成模拟信号，从路由器到电话线；一个调制解调器从一个路由器到一个租用线路将数字信号转换。C.一个CSU/DSU转换从路由器到电话线的数字信号；一个调制解调器从一个路由器到一个电话线路转换的模拟信号。D.一个CSU/DSU转换从路由器到租用线路的数字信号；一个调制解调器从一个路由器到一个电话线路将数字信号转换。
以下哪项描述了WAN设备的角色?() A.CSU/DSU用于端接本地数字环路B.调制解调器端接本地数字环路C.一个CSU/DSU终止模拟本地环路D.调制解调器终止模拟本地环路E.路由器通常被视为DTE设备F.路由器通常被视为DCE设备
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
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
以下哪项描述了WAN设备的角色？（）A、CSU/ DSU用于端接本地数字环路B、调制解调器端接本地数字环路C、一个CSU/ DSU终止模拟本地环路D、调制解调器终止模拟本地环路E、路由器通常被视为DTE设备F、路由器通常被视为DCE设备
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
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
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
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
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
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
What is the difference between a CSU/DSU and a modem?（）A、A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased lineB、A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased lineC、A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone lineD、A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line
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
多选题以下哪项描述了WAN设备的角色？（）ACSU/ DSU用于端接本地数字环路B调制解调器端接本地数字环路C一个CSU/ DSU终止模拟本地环路D调制解调器终止模拟本地环路E路由器通常被视为DTE设备F路由器通常被视为DCE设备
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CCSU/DSU故障DLINE未与CSU/DSU联接
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
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（）ASerial0/1 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
单选题What is the difference between a CSU/DSU and a modem?（）AA CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.BA CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.CA CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.DA CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
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?（）ASerial 0 is up, line protocol is upBSerial 0 is up, line protocol is downCSerial 0 is down, line protocol is downDSerial 0 is down, line protocol is upESerial 0 is administratively down, line protocol is downFSerial 0 is administratively down, line protocol is up
单选题What is the difference between a CSU/DSU and a modem?（）AA CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased lineBA CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased lineCA CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone lineDA CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line