The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?()A.Authentication needs to be changed to PAP for both routers.B.Serial IP add

题目
The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?()

A.Authentication needs to be changed to PAP for both routers.

B.Serial IP addresses of routers are not on the same subnet.

C.Username/password is incorrectly configured.

D.Router names are incorrectly configured.

相似考题

1.While troubleshooting a network connectivity problem, a Ezonexam technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the 7-layer OSI model does the problem most likely exist?A. The data link layerB. The application layerC. The protocol layerD. The access layerE. The session layerF. The network layerG. None of the above

2.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

3.There is a connectivity problem between the serial 0/0 interface of router TESTKING1 and the serial 0/0 interface of TESTKING2. A leased line point to point circuit is installed between these two routers. The output from the "show interface serial 0/0" command is displayed below for each of these routers:From your observations of the above exhibit, what is the underlying cause of the problem?（）A. The loopback is not set.B. The serial cable is faulty.C. The subnet mask is not configured properly.D. The IP address is not configured properly.E. The Layer 2 frame types are not compatible.F. The keepalive setting is not configured properly.

4.You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the network, you need redundancy and fast failover. Which routing protocol should you use in this scenario?（）A. OSPFB. RIPC. BGPD. static

更多“The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?() ”相关问题

  • 第1题：

    The relevant configuration files for the TestKing1 and TestKing2 routers are displayed below:With due consideration to the command outputs, which of the following reasons would you attribute the connectivity problem between the two routers?（）

    A. The authentication needs to be changed to PAP for both routers.

    B. The serial IP addresses of routers are not on the same subnet.

    C. The username/password combination is incorrectly configured.

    D. The router names are incorrectly configured.


    参考答案：C

  • 第2题：

    Router A is unable to reach Router B.Both routers are running ios version 12.0.After reviewing the command output and graphic,what is the most likely cause of the problem?()

    A.incorrect bandwidth configuration

    B.incorrect LMI configuration

    C.incorrect map statement

    D.incorrect IP address


    参考答案：C

  • 第3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4题：

    Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause？ （）

    • A、 BGP peers must be Layer 2-adjacent
    • B、 EBGP multihop is not configured
    • C、 The firewall is not configured to allow IP protocol 89
    • D、 The firewall is not configured to allow UDP 179.

    正确答案:B

  • 第5题：

    When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful.What is the next thing that should be checked?（）

    • A、Verify that the EIGRP hello and hold timers match exactly.
    • B、Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP peer command.
    • C、Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP traffic command.
    • D、Verify that EIGRP is enabled for the appropriate networks on the local and neighboring router.

    正确答案:D

  • 第6题：

    While troubleshooting a network connectivity problem, a technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the OSI model does the problem most likely exist（）。

    • A、the session layer
    • B、the protocol layer
    • C、the data link layer
    • D、the access layer
    • E、the network layer
    • F、the application layer

    正确答案:E

  • 第7题：

    Which of the following commands would MOST likely be used to see where a loss of connectivity between two devices on a network is located?（）

    • A、tracert
    • B、netstat
    • C、nslookup
    • D、ping

    正确答案:A

  • 第8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9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10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11题：

    多选题
    While troubleshooting a routing problem on the company EIGRP network you discover that one ofthe routers is failing to establish adjacencies with its neighbor. What is a likely cause of thisproblem between neighbors？（）
    A

    The K-values do not match

    B

    The hold times do not match

    C

    The hello times do not match

    D

    The AS numbers do not match


    正确答案： A,C
    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：

    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


    参考答案：B

  • 第14题：

    While troubleshooting a routing problem on the company EIGRP network you discover that one ofthe routers is failing to establish adjacencies with its neighbor. What is a likely cause of thisproblem between neighbors？（）

    • A、The K-values do not match
    • B、The hold times do not match
    • C、The hello times do not match
    • D、The AS numbers do not match

    正确答案:A,D

  • 第15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16题：

    You are the network administrator of an enterprise company that just deployed a global IP telephony environment. In order to guarantee good voice quality， you asked your provider to implement QoS on the CE routers of your MPLS network. On your LAN， you have also deployed QoS. Users， however， keep complaining about bad voice quality， and the provider does not see matches on the DSCP values that you have asked him to match upon. What is most likely the problem？（）

    • A、The phones are not sending traffic with the correct DSCP value.
    • B、The Cisco CallManager is not marking the traffic correctly.
    • C、This is most likely a bug on the CE routers.
    • D、Your LAN QoS is incorrectly configured.

    正确答案:D

  • 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
    Router A is unable to reach Router B.Both routers are running ios version 12.0.After reviewing the command output and graphic,what is the most likely cause of the problem?（）
    A

    incorrect bandwidth configuration

    B

    incorrect LMI configuration

    C

    incorrect map statement

    D

    incorrect IP address


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the network, you need redundancy and fast failover. Which routing protocol should you use in this scenario?（）
    A

    OSPF

    B

    RIP

    C

    BGP

    D

    static


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    While troubleshooting a network connectivity problem, a technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the OSI model does the problem most likely exist?（）
    A

    the session layer

    B

    the protocol layer

    C

    the data link layer

    D

    the access layer

    E

    the network layer

    F

    the application layer


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Router A is unable to reach Router B.Both routers are running ios version 12.0.After reviewing the command output and graphic,what is the most likely cause of the problem?（）
    A

    incorrect bandwidt h configuration

    B

    incorrect LMI configuration

    C

    incorrect map statement

    D

    incorrect IP address


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?（）
    A

    Authentication needs to be changed to PAP for both routers.

    B

    Serial IP addresses of routers are not on the same subnet.

    C

    Username/password is incorrectly configured.

    D

    Router names are incorrectly configured.


    正确答案： D
    解析： 暂无解析

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