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

题目

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

相似考题

1.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.

2.Which device enables a router serial interface to connect to the ISDN BRI?()A.NT2B.NT1C.TED.TAE.TE1

3.You have just obtained a modular Cisco router with 2 serial connections and a BRI／U interface. What other physical piece of hardware is required in order to establish an ISDN connection?()A. Nothing. The router is already suitable.B. A BRI WAN interface in the router.C. An external NT1 to terminate the local loop.D. A TA/NT1 device on the router.

4.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 adapterB. a CSU/DSUC. an external ISDN TA and NT1D. The non-modular router cannot connect to an ISDN service. The network administrator must purchase a modular router with an ISDN BRI-U card.

参考答案和解析
参考答案：C
更多“TestKing.com is configuring the serial interface of a Cisco router to connect to the route ”相关问题

  • 第1题：

    What must be set correctly when configuring a serial interface so that higher－level protocols calculate the best route?()

    A. bandwidth

    B. delay

    C. load

    D. reliability


    参考答案：A

  • 第2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3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4题：

    When configuring a serial interface on a router, what is the default encapsulation?（）

    • A、atm-dxi
    • B、frame-relay
    • C、hdlc
    • D、lapb
    • E、ppp

    正确答案:C

  • 第5题：

    Which of the following statements regarding the use of multiple access lists are valid when configuring a single interface on a Cisco router?（）

    • A、Application of up to three access lists per protocol to a single interface.
    • B、No more than two access lists per interface.
    • C、One access list may be configured per direction for each Layer 3 protocol configured on an interface.
    • D、The maximum number allowed varies due to RAM availability in the router.
    • E、An infinite number of access lists that can be applied to an interface, from most specific to most general.
    • F、Cisco IOS allows only one access list to an interface.

    正确答案:C

  • 第6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7题：

    A router receives information about network 192.168.10.0/24 from multiple sources. What will the router consider the most reliable information about the path to that network（）。

    • A、a directly connected interface with an address of 192.168.10.254/24
    • B、a static route to network 192.168.10.0/24
    • C、a RIP update for network 192.168.10.0/24
    • D、an OSPF update for network 192.168.0.0/16
    • E、a default route with a next hop address of 192.168.10.1
    • F、a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop

    正确答案:A

  • 第8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9题：

    单选题
    Which device enables a router serial interface to connect to the ISDN BRI?（）
    A

    NT2

    B

    NT1

    C

    TE

    D

    TA

    E

    TE1


    正确答案： B
    解析： 暂无解析

  • 第10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11题：

    单选题
    When configuring a serial interface on a router, what is the default encapsulation?（）
    A

    atm-dxi

    B

    frame-relay

    C

    hdlc

    D

    lapb

    E

    ppp


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    A router receives information about network 192.168.10.0/24 from multiple sources. What will the router consider the most reliable information about the path to that network（）。
    A

    a directly connected interface with an address of 192.168.10.254/24

    B

    a static route to network 192.168.10.0/24

    C

    a RIP update for network 192.168.10.0/24

    D

    an OSPF update for network 192.168.0.0/16

    E

    a default route with a next hop address of 192.168.10.1

    F

    a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop


    正确答案： D
    解析： 暂无解析

  • 第13题：

    When configuring a serial interface on a router, what is the default encapsulation?()

    A. atm-dxi

    B. frame-relay

    C. hdlc

    D. lapb

    E. ppp


    参考答案：C

  • 第14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.

    B.

    C.

    D.


    参考答案：B

  • 第15题：

    You have just obtained a modular Cisco router with 2 serial connections and a BRI/U interface. What other physical piece of hardware is required in order to establish an ISDN connection?（）

    • A、Nothing. The router is already suitable.
    • B、A BRI WAN interface in the router.
    • C、An external NT1 to terminate the local loop.
    • D、A TA/NT1 device on the router.

    正确答案:A

  • 第16题：

    Which device enables a router serial interface to connect to the ISDN BRI?（）

    • A、NT2
    • B、NT1
    • C、TE
    • D、TA
    • E、TE1

    正确答案:D

  • 第17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18题：

    Which of these is mandatory when configuring Cisco IOS Firewall？ （）

    • A、Cisco IOS IPS enabled on the untrusted interface
    • B、NBAR enabled to perform protocol discovery and deep packet inspection
    • C、a route map to define the trusted outgoing traffic
    • D、a route map to define the application inspection rules
    • E、an inbound extended ACL applied to the untrusted interface

    正确答案:E

  • 第19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20题：

    What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route?（）

    • A、bandwidth
    • B、delay
    • C、load
    • D、reliability

    正确答案:A

  • 第21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22题：

    单选题
    You have just obtained a modular Cisco router with 2 serial connections and a BRI/U interface. What other physical piece of hardware is required in order to establish an ISDN connection?（）
    A

    Nothing. The router is already suitable.

    B

    A BRI WAN interface in the router.

    C

    An external NT1 to terminate the local loop.

    D

    A TA/NT1 device on the router.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Which of these is mandatory when configuring Cisco IOS Firewall？ （）
    A

    Cisco IOS IPS enabled on the untrusted interface

    B

    NBAR enabled to perform protocol discovery and deep packet inspection

    C

    a route map to define the trusted outgoing traffic

    D

    a route map to define the application inspection rules

    E

    an inbound extended ACL applied to the untrusted interface


    正确答案： B
    解析： 暂无解析

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