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" co

题目

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.

相似考题

1.路由器A的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ip address 3.1.1.1 255.0.0.0 ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! Exit Router rip ! End 路由器B的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ip address 3.1.1.1 255.0.0.0 ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! Exit Router rip ! End 下述说法正确的是A、备份功能可以正常使用 B、备份功能不能正常使用 C、两端可以正常互联 D、两端不能正常互联

2.Refer to the exhibit. Routers R1 and R2 have established a neighbor relationship and are exchanging routing information. The network design requires that R1 r eceive routing updates from R2, but not advertise any routes to R2. Which configuration command sequence will successfully accomplish this task? （）A. R1(config)# router eigrp 1 R1(config - router)# passive - interface serial 0B. R1(config)# access - list 2 0 deny any R1(config)# router eigrp 1 R1(config - router)# distribute - list 20 out serial 0C. R2(config)# access - list 20 permit any R2(config)# router eigrp 1 R2(config - router)# distribute - list 20 in serial 0D. R1(config)# access - list 20 permit any R 1(config)# router eigrp 1 R1(config - router)# distribute - list 20 in serial 0E. R2(config)# access - list 20 deny any R2(config)# router eigrp 1 R2(config - router)# distribute - list 20 out serial 0F. R2(config)# router eigrp 1 R2(config - router)# passive - interface serial 0

3.RouterAdebug ip ospf events OSPF events debugging is on RouterA 04:43:16: OSPF: Rcv pkt from 10.3.0.2, Ethernet0/1, area 0.0.0.1 mismatch area 0.0.0.2 in the header 04:43:19: OSPF: Rcv hello from 10.100.100.3 area 0 from Ethernet0/0 10.1.0.1 04:43:19: OSPF: End of hello processing Refer to the exhibits. What can be done to fix the problem?（）A. Change router B E0/1 interface to area 0.B. Change router A interface E0/1 to area 0.0.0.2.C. Configure the E0/1 i nterfaces of router A and router B to be in area 0.D. Shut down the E0/1 interfaces in router A and router B as OSPF does not allow "back doors" between areas.E. Remove the E0/1 interfaces in router A and router B from the OSPF process. Use static rou tes to route data directly from router A to router B to avoid passing data through router C in area 0.

4.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 down, line protocol is downE．None of the above

更多“There is a connectivity problem between the serial 0／0 interface of router TESTKING1 and t ”相关问题

  • 第1题：

    Refer to the exhibit. ROUTE Enterprises has many stub networks in their enterprise network, such as router B and its associated network. EIGRP is to be implemented on router A so that neither the prefix for the S/0/0/0 interface nor the prefixes from router B appear in the routing tables for the router in the enterprise network. Which action will accomplish this goal?（）

    A. Declare router B a stub router using the eigrp stub command.

    B. Use the passive - interface command for interface Serial0/0/0.

    C. Use a mask with the network command to exclude interface Serial0/0/0.

    D. Implement a distribute list to exclude the link prefix from the routi ng updates.


    参考答案：C

  • 第2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


    参考答案：C

  • 第3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4题：

    Refer to the exhibit. The two exhibit devices are the only Cisco devices on the network. The serial network between the two devices has a mask of 255.255.255.252. Given the output that is shown, what three statements are true of these devices? （）

    A.The Manchester serial address is 10.1.1.1

    B.The Manchester serial address is 10.1.1.2

    C.这个Manchester路由器串口地址为：10.1.12

    D.The London router is a Cisco 2610.

    E.The Manchester router is a Cisco 2610.

    F.The CDP information was received on port Serial0/0 of the Manchester router.

    G.The CDP information was sent by port Serial0/0 of the London Router.


    参考答案：A, D, F

  • 第5题：

    Use the output from the router shown in the graphic above to determine which of the following are correct.()

    A. Router John uses a link-state routing protocol.

    B. Router John will receive routing updates on the Serial0/0 interface.

    C. Router John will receive routing updates on the Serial0/1 interface.

    D. Router John will send routing updates out the Serial0/0 interface.

    E. Router John will send routing updates out the FastEthernet0/0 interface.

    F. Router John will send routing updates out the Serial0/1 interface.


    参考答案：B, D

  • 第6题：

    The Testking router is running RIP as the routing protocol, and the IP routing table is displayed below: Gateway of last resort is 10.1.2.2 to network 0.0.0.0 10.0.0.0/24 is subnetted, 2 subnets R 10.1.3.0 [120/1] via 10.1.2.2, 00:00:00, Serial0/0 C 10.1.2.0 is directly connected, Serial0/0 C 10.1.5.0 is directly connected, Serial0/1 C 10.1.6.0 is directly connected, FastEthernet0/0 R* 0.0.0.0/0 [120/1] via 10.1.5.5, 00:00:00, Serial0/1 Based on the output above, if an administrator pings host 10.1.8.5 from host 10.1.6.100, how will the router TestkingA process the ICMP packets?（）

    • A、The packets will be discarded.
    • B、The packets will be routed out the S0/0 interface.
    • C、The packets will be routed out the S0/1 interface.
    • D、The packets will be routed out the Fa0/0 interface.
    • E、The packets will be routed through the 10.1.2.2 gateway.

    正确答案:C

  • 第7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8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
    The Peanut router is able to successfully ping the Serial 0 and Ethernet 0 interface of the Popcorn router, but a ping issued to the Ethernet 1 interface fails. Based on the above output, what are the potential causes of this problem?（）
    A

    The Popcorn router is not forwarding RIP updates.

    B

    The Popcorn router did not include network 192.168.12.0 in its routing configuration.

    C

    The Ethernet1 interface of the Popcorn router is shutdown.

    D

    The clockrate is not present in the configuration of one of the routers.

    E

    The Serial interface of the Popcorn router is not operating.


    正确答案： C,B
    解析： 暂无解析

  • 第11题：

    单选题
    What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）
    A

    It configures a router to send all packets out interface serial 0/0.

    B

    It configures a router to block routing updates from being sent out interface serial 0/0.

    C

    It configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.

    D

    It configures a router to send all packets for unknown destination networks out interface serial 0/0.

    E

    It configures a router to drop all packets for which the destination network is unknown.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Which command can be used to determine the type of cable attached to the Serial 0/0 interface on a router?（）
    A

    show interfaces serial 0/0

    B

    show running-config

    C

    show version

    D

    show controllers serial 0/0

    E

    show ip interface

    F

    show line serial 0/0


    正确答案： E
    解析： 暂无解析

  • 第13题：

    Which command can be used to determine the type of cable attached to the Serial 0／0 interface on a router?()

    A. show interfaces serial 0/0

    B. show running-config

    C. show version

    D. show controllers serial 0/0

    E. show ip interface

    F. show line serial 0/0


    参考答案：D

  • 第14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


    参考答案：E

  • 第15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16题：

    Usetheoutputfromtheroutershowninthegraphicabovetodeterminewhichofthefollowingarecorrect.()

    A.Router John uses alink-state routing protocol.

    B.Router John will receive routing updates on the Serial0/0 interface.

    C.Router John will receive routing updates on the Serial0/1 interface.

    D.Router John will send routing updates out the Serial0/0 interface.

    E.Router John will send routing updates out the FastEthernet0/0 interface.

    F.Router John will send routing updates out the Serial0/1 interface.


    参考答案：B, D

  • 第17题：

    Which command can be used to determine the type of cable attached to the Serial 0/0 interface on a router?（）

    • A、show interfaces serial 0/0
    • B、show running-config
    • C、show version
    • D、show controllers serial 0/0
    • E、show ip interface
    • F、show line serial 0/0

    正确答案:D

  • 第18题：

    What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）

    • A、It configures a router to send all packets out interface serial 0/0.
    • B、It configures a router to block routing updates from being sent out interface serial 0/0.
    • C、It configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.
    • D、It configures a router to send all packets for unknown destination networks out interface serial 0/0.
    • E、It configures a router to drop all packets for which the destination network is unknown.

    正确答案:D

  • 第19题：

    A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0？（）

    • A、The traffic is dropped
    • B、The resulting action is determined by the destination IP address
    • C、The source IP address is checked，and，if a match is not found， traffic is routed out interface Serial 1
    • D、The resulting action is determined by the destination IP address and port number

    正确答案:A

  • 第20题：

    The Peanut router is able to successfully ping the Serial 0 and Ethernet 0 interface of the Popcorn router, but a ping issued to the Ethernet 1 interface fails. Based on the above output, what are the potential causes of this problem?（）

    • A、The Popcorn router is not forwarding RIP updates.
    • B、The Popcorn router did not include network 192.168.12.0 in its routing configuration.
    • C、The Ethernet1 interface of the Popcorn router is shutdown.
    • D、The clockrate is not present in the configuration of one of the routers.
    • E、The Serial interface of the Popcorn router is not operating.

    正确答案:B,C

  • 第21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： D
    解析： 暂无解析

  • 第22题：

    单选题
    A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）
    A

    Main(config)#interface serial 0/0  Main(config-if)#ip address 172.16.1.1 255.255.255.252  Main(config-if)#no shut

    B

    Main(config)#interface serial 0/0  Main(config-if)#ip address 172.16.1.1 255.255.255.252  Main(config-if)#encapsulation ietf Main(config-if)#no shut

    C

    Main(config)#interface serial 0/0  Main(config-if)#ip address 172.16.1.1 255.255.255.252  Main(config-if)#encapsulation frame-relay  Main(config-if)#authenication chap Main(config-if)#no shut

    D

    Main(config)#interface serial 0/0  Main(config-if)#ip address 172.16.1.1 255.255.255.252   Main(config-if)#encapsulation ppp Main(config-if)#no shut


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0？（）
    A

    The traffic is dropped

    B

    The resulting action is determined by the destination IP address

    C

    The source IP address is checked，and，if a match is not found， traffic is routed out interface Serial 1

    D

    The resulting action is determined by the destination IP address and port number


    正确答案： C
    解析： 暂无解析

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