In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）A.serialupB.clockC.clockrateD.dcerateE.dterate

题目

In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）

A.serialup

B.clock

C.clockrate

D.dcerate

E.dterate

相似考题

1.A Ezonexam 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．PhysicalB．Data linkC．Network layerD．Transport layerE．Application layer

2.Which statement is true about IBGP routers? ()A. They must be fully meshedB. They can be in a different ASC . They do not need to be directly connectedD. They must be directly connected

3.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. PhysicalB. Data linkC. Network layerD. Transport layerE. Application layer

4.Which of the following must match for two directly connected routers running OSPF to establish a neighbor adjacency?()A. area IDsB. process IDsC. router IDsD. hello timers

更多“In a lab, two routers are connected directly together using serial interfaces in a back－to ”相关问题

  • 第1题：

    What are two reasons a network administrator would use CDP?()

    A. to verify the type of cable interconnecting two devices

    B. to determine the status of network services on a remote device

    C. to obtain VLAN information from directly connected switches

    D. to verify Layer 2 connectivity between two devices when Layer 3 fails

    E. to obtain the IP address of a connected device in order to telnet to the device

    F. to determine the status of the routing protocols between directly connected routers


    参考答案：D, E

  • 第2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3题：

    In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?（）

    • A、Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.
    • B、A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.
    • C、A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.
    • D、A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.

    正确答案:B

  • 第4题：

    In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）

    • A、serialup
    • B、clock
    • C、clockrate
    • D、dcerate
    • E、dterate

    正确答案:C

  • 第5题：

    You are logged into a router and with to view the layer 3 information about your neighboring Cisco routers. What IOS command gives layer 3 information for of the directly connected router interfaces?（）

    • A、show ip links
    • B、show cdp neighbor
    • C、show cdp neighbor detail
    • D、show ip clients
    • E、show ip route
    • F、None of the above

    正确答案:C

  • 第6题：

    At a branch location, TestKing.com has deployed a non modular router that is equipped with two serial interfaces and two Ethernet interfaces.What additional equipment must be used to allow the branch office to connect to the central office by using an ISDN service?（）

    • A、a serial cable with a V.35 to RJ45 adapter
    • B、a CSU/DSU
    • C、an external ISDN TA and NT1
    • D、The non-modular router cannot connect to an ISDN service. The network administrator must purchase a modular router with an ISDN BRI-U card.

    正确答案:C

  • 第7题：

    单选题
    In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?（）
    A

    Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.

    B

    A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.

    C

    A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.

    D

    A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.


    正确答案： A
    解析： 暂无解析

  • 第8题：

    多选题
    What are two reasons a network administrator would use CDP? （）
    A

    to verify the type of cable interconnecting two devices

    B

    to determine the status of network services on a remote device

    C

    to obtain VLAN information from directly connected switches

    D

    to verify Layer 2 connectivity between two devices when Layer 3 fails

    E

    to obtain the IP address of a connected device in order to telnet to the device

    F

    to determine the status of the routing protocols between directly connected routers


    正确答案： B,A
    解析： 暂无解析

  • 第9题：

    单选题
    The PassGuide network consists of a series of routers that are all configured for IBGP. Which one of the following IBGP characteristics is true（）
    A

    The IBGP routers must always be fully meshed.

    B

    The IBGP routers can be in a different AS.

    C

    The IBGP routers must be directly connected.

    D

    TThe IBGP routers do not need to be directly connected.

    E

    None of the other alternatives apply are true


    正确答案： E
    解析： 暂无解析

  • 第10题：

    多选题
    What are two reasons a network administrator would use CDP (Choose two.)（）。
    A

    to verify the type of cable interconnecting two devices

    B

    to determine the status of network services on a remote device

    C

    to obtain VLAN information from directly connected switches

    D

    to verify Layer 2 connectivity between two devices when Layer 3 fails

    E

    to obtain the IP address of a connected device in order to telnet to the device

    F

    to determine the status of the routing protocols between directly connected routers


    正确答案： C,D
    解析： 暂无解析

  • 第11题：

    单选题
    In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）
    A

    serialup

    B

    clock

    C

    clockrate

    D

    dcerate

    E

    dterate


    正确答案： E
    解析： 暂无解析

  • 第12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13题：

    Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. The Atlanta router is known to have the correct configuration.Given the partial configurations, identify the fault on the Brevard router that is causing the lack of connectivity？（）

    A.incompatible IP address

    B.insufficient bandwidth

    C.incorrect subnet mask

    D.incompatible encapsulation

    E.link reliability too low

    F.IP/TCP closed


    参考答案：D

  • 第14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15题：

    The PassGuide network consists of a series of routers that are all configured for IBGP. Which one of the following IBGP characteristics is true（）

    • A、The IBGP routers must always be fully meshed.
    • B、The IBGP routers can be in a different AS.
    • C、The IBGP routers must be directly connected.
    • D、TThe IBGP routers do not need to be directly connected.
    • E、None of the other alternatives apply are true

    正确答案:D

  • 第16题：

    Which statement is true about IBGP routers? （）

    • A、They must be fully meshed
    • B、They can be in a different AS
    • C、They must be directly connected

    正确答案:C

  • 第17题：

    What are two reasons a network administrator would use CDP (Choose two.)（）。

    • A、to verify the type of cable interconnecting two devices
    • B、to determine the status of network services on a remote device
    • C、to obtain VLAN information from directly connected switches
    • D、to verify Layer 2 connectivity between two devices when Layer 3 fails
    • E、to obtain the IP address of a connected device in order to telnet to the device
    • F、to determine the status of the routing protocols between directly connected routers

    正确答案:D,E

  • 第18题：

    What are two reasons a network administrator would use CDP?（）

    • A、to verify the type of cable interconnecting two devices
    • B、to determine the status of network services on a remote device
    • C、to obtain VLAN information from directly connected switches
    • D、to verify Layer 2 connectivity between two devices when Layer 3 fails
    • E、to obtain the IP address of a connected device in order to telnet to the device
    • F、to determine the status of the routing protocols between directly connected routers

    正确答案:D,E

  • 第19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： D
    解析： 暂无解析

  • 第20题：

    单选题
    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
    解析： 暂无解析

  • 第21题：

    多选题
    Which of the following must match for  two directly connected routers running OSPF to establish a neighbor adjacency?（）
    A

    area IDs

    B

    process IDs

    C

    router IDs

    D

    hello timers


    正确答案： C,B
    解析： 暂无解析

  • 第22题：

    单选题
    You are logged into a router and with to view the layer 3 information about your neighboring Cisco routers. What IOS command gives layer 3 information for of the directly connected router interfaces?（）
    A

    show ip links

    B

    show cdp neighbor

    C

    show cdp neighbor detail

    D

    show ip clients

    E

    show ip route

    F

    None of the above


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. The Atlanta router is known to have the correct configuration.Given the partial configurations, identify the fault on the Brevard router that is causing the lack of connectivity？（）
    A

    incompatible IP address

    B

    insufficient bandwidth

    C

    incorrect subnet mask

    D

    incompatible encapsulation

    E

    link reliability too low

    F

    IP/TCP closed


    正确答案： D
    解析： 暂无解析

相关内容