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

题目

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

相似考题
参考答案和解析
正确答案:D
更多“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”相关问题
  • 第1题:

    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.


    参考答案:D

  • 第2题:

    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


    参考答案:A, D, E

  • 第3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 down

    B.line down;line protocol

    C.line up;line protocol down

    D.line up;line protocol up


    参考答案:A, C, D

  • 第4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

    答案:A
    解析:

  • 第5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 up
    • B、Serial 0 is up, line protocol is down
    • C、Serial 0 is down, line protocol is down
    • D、Serial 0 is down, line protocol is up
    • E、Serial 0 is administratively down, line protocol is down
    • F、Serial 0 is administratively down, line protocol is up

    正确答案:E

  • 第6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 up
    • B、 Interface is down, line protocol is down
    • C、 Interface is down, line protocol is up
    • D、 Interface is up, line protocol is down

    正确答案:C

  • 第7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 down
    • B、Serial 0 is down,line protocol is down
    • C、Serial 0 is down,line protocol is up
    • D、Serial 0 is administratively down,line protocol is

    正确答案:A

  • 第8题:

    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

    正确答案:D

  • 第9题:

    多选题
    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


    正确答案: D,E
    解析: 暂无解析

  • 第10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?()。
    A

    line down;line protocol down

    B

    line down;line protocol

    C

    line up;line protocol down

    D

    line up;line protocol up


    正确答案: B,A
    解析: 暂无解析

  • 第11题:

    单选题
    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.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    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


    正确答案: A
    解析: 暂无解析

  • 第13题:

    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。


    参考答案:D

  • 第14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 down

    B.Serial 0 is down,line protocol is down

    C.Serial 0 is down,line protocol is up

    D.Serial 0 is administratively down,line protocol is


    参考答案:A

  • 第15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

    答案:A
    解析:

  • 第16题:

    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

    正确答案:A,D,E

  • 第17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

    正确答案:C

  • 第18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

    正确答案:D

  • 第19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 down
    • B、line down;line protocol
    • C、line up;line protocol down
    • D、line up;line protocol up

    正确答案:A,C,D

  • 第20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 down
    • B、Serial0/1 is down, line protocol is down
    • C、Serial0/1 is up, line protocol is up
    • D、Serial0/1 is administratively down, line protocol is down

    正确答案:B

  • 第21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


    正确答案: D
    解析: 暂无解析

  • 第22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


    正确答案: C
    解析: 暂无解析

  • 第23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 up

    B

    Serial 0 is up, line protocol is down

    C

    Serial 0 is down, line protocol is down

    D

    Serial 0 is down, line protocol is up

    E

    Serial 0 is administratively down, line protocol is down

    F

    Serial 0 is administratively down, line protocol is up


    正确答案: E
    解析: 暂无解析