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If the OSPF protocol is used to connect customer edge (CE) routers to service provider edge(PE) routers in the VPN backbone, which two options best describe the use of SHAM links?()A、A sham-link is created between any twoo VPN sites that belong to the sam

题目

If the OSPF protocol is used to connect customer edge (CE) routers to service provider edge(PE) routers in the VPN backbone, which two options best describe the use of SHAM links?()

  • A、A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link
  • B、A sham-link is seen as an intra-area link between PE routers,an OSPF adjacency is created and data base is exchanged
  • C、A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door
  • D、A SHAM link is part of OSPF network of MPLS-VPN provider

相似考题
更多“If the OSPF pr”相关问题
  • 第1题:

    Which command is used to display the collection of OSPF link states?()

    A. show ip ospf lsa database

    B. show ip ospf link-state

    C. show ip ospf neighbors

    D. show ip ospf database


    参考答案:D

  • 第2题:

    查看OSPF邻居关系是否正确建立的命令是().

    A.display ospf neighbor

    B.display ospf brief

    C.display ospf peer

    D.display ospf interface


    参考答案:C

  • 第3题:

    查看 OSPF 进程下路由计算的统计信息是(请作答此空),查看 OSPF 邻居状态信息是( )。


    A. display ospf cumulative
    B. display ospf spf-satistics
    C. display ospf global-statics
    D. display ospf request-queue


    答案:B
    解析:

  • 第4题:

    When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers?()

    • A、OSPF process ID
    • B、OSPF router ID
    • C、OSPF network type
    • D、OSPF memory usage
    • E、OSPF CPU utilization
    • F、OSPF stub area configurations

    正确答案:B

  • 第5题:

    Which statement about OSPF authentication is true?()

    • A、To enable OSPF authentication in a network, OSPF area 0 authentications must be enabled first
    • B、The payload of OSPF version 3 packets contains no authentication information
    • C、OSPF version 3 supports Advanced Encryption Standard
    • D、OSPF version 3 uses router ID as a key to encrypt OSPF hello packets
    • E、OSPF MD5 authentication uses TCP, and Plan Test authentication uses UDP

    正确答案:B

  • 第6题:

    MPLS BGP VPN OSPF超级Backbone实现中,使用以下哪种BGP扩展属性携带OSPF路由类型信息()。

    • A、OSPF Domain Identifier Extended Community
    • B、OSPF Route Type Extended Community
    • C、OSPF Router ID Extended Community
    • D、Route Distinguisher

    正确答案:B

  • 第7题:

    What are two Cisco IOS commands that can be used to view neighbor adjacencies?()

    • A、show ip ospf interfaces
    • B、show ip ospf protocols
    • C、show ip ospf neighbors
    • D、show ip ospf database

    正确答案:A,C

  • 第8题:

    Which statement is true about the command ipv6 ospf 1 area 0?()

    • A、It must be issued before the network command to enable the OSPF pr ocess for IPv6.
    • B、It must be issued after the network command to enable the OSPF process for IPv6.
    • C、It must be issued in router global configuration mode to enable the OSPF process for IPv6.
    • D、It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.

    正确答案:D

  • 第9题:

    单选题
    通过哪条命令可以查看OSPF邻居状态信息?()
    A

    display ospf peer

    B

    display ip ospf peer

    C

    display ospf neighbor

    D

    display ip ospf neighbor


    正确答案: B
    解析: 暂无解析

  • 第10题:

    多选题
    在VRP平台上,能够检查OSPF邻居的命令有哪些?()
    A

    display ospf peer

    B

    display ospf interface

    C

    display ospf lsdb

    D

    display ospf routing


    正确答案: D,B
    解析: 暂无解析

  • 第11题:

    单选题
    Which statement is true about the command ipv6 ospf 1 area 0?()
    A

    It must be issued before the network command to enable the OSPF pr ocess for IPv6.

    B

    It must be issued after the network command to enable the OSPF process for IPv6.

    C

    It must be issued in router global configuration mode to enable the OSPF process for IPv6.

    D

    It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Which information will the Cisco IOS command show ip ospf rib display?()
    A

    only the local OSPF routes

    B

    only the OSPF routes installed in the routing table

    C

    only the remotely learned OSPF routes

    D

    all the OSPF routes from the OSPF database that are eligible to be put in the routing table


    正确答案: B
    解析: 暂无解析

  • 第13题:

    通过哪条命令来查看OSPF进程下路由计算的统计信息?()

    A.display ospf cumulative

    B.display ospf spf-statistics

    C.display ospf global-statics

    D.display ospf request-queue


    参考答案:B

  • 第14题:

    查看 OSPF 进程下路由计算的统计信息是( ),查看 OSPF 邻居状态信息是(请作答此空)。


    A. display ospf peer
    B. display ip ospf peer
    C. display ospf neighbor
    D. display ip ospf neighbor


    答案:A
    解析:

  • 第15题:

    When the Cisco IOS OSPF command ip ospf dead-interval minimal hello-multiplier 5 is configured, which two statements are true? ()

    • A、OSPF hello interval is 5 seconds
    • B、OSPF hello interval is 1 second
    • C、OSPF dead interval is 1 second
    • D、OSPF dead interval is 5 seconds
    • E、OSPF dead interval is 20 seconds
    • F、OSPF hello interval is 0.2 second

    正确答案:C,F

  • 第16题:

    Which of the following data structures exist on a router for the OSPF routing protocol?()

    • A、OSPF topology table
    • B、OSPF interface table
    • C、OSPF routing information base
    • D、OSPF link-state database
    • E、OSPF adjacency table
    • F、OSPF neighbor table

    正确答案:B,C,D,F

  • 第17题:

    在OSPF网络中,如果在AS中不同的路由器使用相同的Router ID,会造成OSPF计算混乱。以下命令可以检测到Router ID冲突的是()。

    • A、display ospf peer
    • B、display ospf error
    • C、display ospf routing
    • D、display ospf lsdb

    正确答案:B

  • 第18题:

    What is the purpose of the OSPF router ID in a OR/BOR election?()

    • A、It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network
    • B、It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router
    • C、It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network
    • D、It is used to determine which interfaces will send Hello packets to neighboring OSPF routers

    正确答案:C

  • 第19题:

    Which command is used to display the collection of OSPF link states?()

    • A、show ip ospf lsa database(not A)
    • B、show ip ospf link-state
    • C、show ip ospf neighbors
    • D、show ip ospf database

    正确答案:D

  • 第20题:

    查看OSPF邻居关系是否正确建立的命令是().

    • A、display ospf neighbor
    • B、display ospf brief
    • C、display ospf peer
    • D、display ospf interface

    正确答案:C

  • 第21题:

    单选题
    哪个命令的输出给出了路由器的OSPF区域参数()
    A

    display ospf areas

    B

    display ospf lsdb

    C

    display ospf

    D

    display ospf peer


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    通过哪条命令来查看OSPF进程下路由计算的统计信息?()
    A

    display ospf cumulative

    B

    display ospf spf-statistics

    C

    display ospf global-statics

    D

    display ospf request-queue


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Which command is used to display the collection of OSPF link states?()
    A

    show ip ospf lsa database

    B

    show ip ospf link-state

    C

    show ip ospf neighbors

    D

    show ip ospf database


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    查看OSPF区域ABR、ASBR的信息,可以使用()
    A

    Display ospf

    B

    Display ospf error

    C

    Display ospf interface

    D

    Display ospf peer


    正确答案: B
    解析: 暂无解析