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 prot

题目
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 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


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  • 第1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 down

    B. Serial 0 is up, line protocol is up

    C. Open: IPCP, CDPCP

    D. LCP closed

    E. LCP open


    参考答案:B, E

  • 第2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3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4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5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6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7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

    正确答案:A,C

  • 第8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9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
    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


    正确答案: D
    解析: 暂无解析

  • 第12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

  • 第13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


    参考答案:B

  • 第14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15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

    正确答案:B

  • 第16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

  • 第17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18题:

    客户的两台路由器通过V.35 电缆背靠背连接在一起,并在V.35 接口上运行了PPP 协议,在其中一台路由器上有如下接口信息: [MSR-Serial0/0] display interface Serial 0/0 Serial6/0 current state: UP Line protocol current state: DOWN 从如上信息可以推测()

    • A、两路由器之间的物理连接正常,但PPP协议协商没有成功
    • B、PPP的LCP协商有可能未通过
    • C、PPP验证可能失败了
    • D、两路由器V.35接口的IP地址有可能不在同一网段

    正确答案:A,B,C

  • 第19题:

    客户的两台路由器通过V.35 电缆背靠背连接在一起,其中一台路由器上有如下接口信息: [MSR-Serial0/0]display interface Serial 0/0 Serial0/0current state: UP Line protocol current state: UP Description: Serial6/0 Interface The Maximum Transmit Unit is 1500, Hold timer is 10(sec) Internet Address is 6.6.6.1/30 Primary Link layer protocol is PPP LCP opened, IPCP opened 从上述信息可以得知()

    • A、这台路由器已经和远端设备完成了PPP协商,并成功建立了PPP链路
    • B、这台路由器和远端设备之间成功完成了PPP PAP或者CHAP的验证
    • C、在这台路由器上已经可以ping通对端的地址6.6.6.2了
    • D、 接口信息提示,在该接口下还可以配置第二个IP地址

    正确答案:A,D

  • 第20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
    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: C
    解析: 暂无解析