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 d

题目

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 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

E．None of the above

相似考题

1.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

2.TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0/0 command, it is observed that the interface is UP and the line protocol is DOWN.Which of the following commands could fix this problem?（）A. Border# copy running-config startup-configB. Border(config)# no shutdownC. Border(config-if)# encapsulation pppD. Border(config-if)# no cdp enableE. Border(config-if)# ip routing

3.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

4.An administrator issues the show ip interface s0/0 command and the output displays that interface Serial0/0 is up, line protocol is up.What does "line protocol is up" specifically indicate about the interface?A．The cable is attached properly.B．CDP has discovered the connected device.C．Keepalives are being received on the interface.D．A carrier detect signal has been received from the connected device.E．IP is correctly configured on the interface.

更多“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 d”相关问题

  • 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：

    You enabled CDP on two Cisco Routers which are connected to each other. The Line and Protocol statusfor the interfaces on both routers show as UP but the routers do not see each other a CDP neighbors.Which layer of the OSI model does the problem most likely exist？（）

    • A、Physical
    • B、Session
    • C、Application
    • D、Data-Link
    • E、Network

    正确答案:D

  • 第4题：

    Two Cisco routers are connected to each other and are enabled CDP. Serial line is up，protocol is also up but cdp neighbor not working. What layer of the OSI model does the problem most likely exist？


    正确答案:Data link layer.

  • 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：

    A user has no network connectivity. A check of the associated port indicates that the interface is up， the line protocol is down. Which item would most likely cause this problem？（）

    • A、Speed mismatch
    • B、Incorrect encapsulation
    • C、MTU set too low
    • D、Duplex mismatch

    正确答案:A

  • 第7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8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9题：

    After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）

    • A、Layer 1 on the interface is up but Layer 2 is down.
    • B、Layer 2 on the interface is up but Layer 3 has not been configured.
    • C、The interface is administratively up but the link status is down.
    • D、The interface is up but has been administratively turned off.

    正确答案:C

  • 第10题：

    单选题
    You have configured a Cisco Catalyst switch to perform Layer 3 routing via an SVI and have  assigned that interface to VLAN 20. To check the status of the SVI， you issue the show interfaces vlan 20 command at the CLI prompt. You see from the output display that the interface is in an "up/up" state.  What must be true in an SVI configuration to bring the VLAN and line protocol up？（）
    A

    The port must be physically connected to another Layer 3 device.

    B

    At least one port in VLAN 20 must be active.

    C

    The Layer 3 routing protocol must be operational and receiving routing updates from neighboring peer devices.

    D

    Because this is a virtual interface， the operational status will always be in an up/up state.


    正确答案： D
    解析： 暂无解析

  • 第11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12题：

    单选题
    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 down

    B

    interface is down，line protocol is up

    C

    interface is up，line protocol is down

    D

    interface is up，line protocol is up


    正确答案： B
    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：

    A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?（）

    • A、Physical
    • B、Data link
    • C、Network layer
    • D、Transport layer
    • E、Application layer

    正确答案:B

  • 第16题：

    You have configured a Cisco Catalyst switch to perform Layer 3 routing via an SVI and have  assigned that interface to VLAN 20. To check the status of the SVI， you issue the show interfaces vlan 20 command at the CLI prompt. You see from the output display that the interface is in an "up/up" state.  What must be true in an SVI configuration to bring the VLAN and line protocol up？（）

    • A、The port must be physically connected to another Layer 3 device.
    • B、At least one port in VLAN 20 must be active.
    • C、The Layer 3 routing protocol must be operational and receiving routing updates from neighboring peer devices.
    • D、Because this is a virtual interface， the operational status will always be in an "up/up" state.

    正确答案:B

  • 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：

    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19题：

    TestKing.com is configuring the serial interface of a Cisco router to connect to the router of a new ISP. A full T1 is being used for the Internet connection. After issuing the show interface serial 0/0 command, it is observed that the interface is UP and the line protocol is DOWN. Which of the following commands could fix this problem?（）

    • A、Border# copy running-config startup-config
    • B、Border(config)# no shutdown
    • C、Border(config-if)# encapsulation ppp
    • D、Border(config-if)# no cdp enable
    • E、Border(config-if)# ip routing

    正确答案:C

  • 第20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 down
    • B、interface is down，line protocol is up
    • C、interface is up，line protocol is down
    • D、interface is up，line protocol is up

    正确答案:C

  • 第21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22题：

    问答题
    Two Cisco routers are connected to each other and are enabled CDP. Serial line is up，protocol is also up but cdp neighbor not working. What layer of the OSI model does the problem most likely exist？

    正确答案： Data link layer.
    解析： 暂无解析

  • 第23题：

    单选题
    A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?（）
    A

    Physical

    B

    Data link

    C

    Network layer

    D

    Transport layer

    E

    Application layer


    正确答案： A
    解析： 暂无解析

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