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单选题Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?()A It tears down the BGP session.B It sends a restart message to the peer.C It marks all routes from that peer as stale.D It sends a BGP refresh mes

题目
单选题
Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?()
A

It tears down the BGP session.

B

It sends a restart message to the peer.

C

It marks all routes from that peer as stale.

D

It sends a BGP refresh message to the peer


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更多“单选题Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?()A It tears down the BGP session.B It sends a restart message to the peer.C It marks all routes from that peer as stale.D It sends a BGP refresh mes”相关问题
  • 第1题:

    Refer to the exhibit. Which two statement s are correct?()

    A. All the routes were redistributed into BGP from an IGP

    B. All the routes were originated by BGP with the network command

    C. All six routes will be installed in the routing table

    D. Four routes will be installed in the routing ta ble

    E. Two routes will be installed in the routing table


    参考答案:A, D

  • 第2题:

    Which option is true regarding the synchronization rule ?()

    • A、Do not use or internally advertise a route until the route is lear ned from a source other than BGP.
    • B、Do not use or advertise a route until the route is learned from a BGP peer.
    • C、Do not use or advertise routes marked PARTIAL.
    • D、Wait until a CONFIRM message is received before using routes from BGP neighbors.

    正确答案:A

  • 第3题:

    For which routes does LDP advertise a label binding?()

    • A、all routes in the routing table
    • B、only the IGP and BGP routes in the routing table
    • C、only the BGP routes in the routing table
    • D、only the IGP routes in the routing table

    正确答案:D

  • 第4题:

    Which two statements describe the default routing policy for BGP?()

    • A、Advertise only locally originated routes.
    • B、Accept all BGP routes and import into inet.0.
    • C、Advertise all active BGP routes.
    • D、Advertise only EBGP routes.

    正确答案:B,C

  • 第5题:

    By default, to which peers will a BGP router advertise routes learned from IBGP peers?()

    • A、all BGP peers
    • B、all IBGP peers
    • C、all EBGP peers
    • D、all MBGP peers

    正确答案:C

  • 第6题:

    In BGP graceful restart, how does a peer router indicate the end of a route exchange?()

    • A、An open message with the E bit set.
    • B、An update message with the E bit set.
    • C、An open message with an end-of-RIB marker.
    • D、An update message with an end-of-RIB marker.

    正确答案:D

  • 第7题:

    Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?()

    • A、It tears down the BGP session.
    • B、It sends a restart message to the peer.
    • C、It marks all routes from that peer as stale.
    • D、It sends a BGP refresh message to the peer

    正确答案:C

  • 第8题:

    多选题
    In which three ways are C-BGP and E-BGP sessions similar?()
    A

    Both are configured as type external.

    B

    Both configurations use the peer-as command.

    C

    Neither advertises the local-preference attribute.

    D

    Both set next-hop self when advertising routes to peers.

    E

    Both modify the AS-path attribute when advertising routes.


    正确答案: E,D
    解析: 暂无解析

  • 第9题:

    单选题
    In BGP graceful restart, how does a peer router indicate the end of a route exchange?()
    A

    an open message with the E bit set

    B

    an update message with the E bit set

    C

    an open message with an end-of-RIB marker

    D

    an update message with an end-of-RIB marker


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Within IS-IS, the restart helper performs which task?()
    A

    It sends CSNPs to the restarting router.

    B

    It periodically sends TLV 211 to the restarting router.

    C

    It informs other routers in the domain that a router has restarted.

    D

    It tears down adjacency and sends its entire database after 30 seconds.


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    Which option is true regarding the synchronization rule ?()
    A

    Do not use or internally advertise a route until the route is lear ned from a source other than BGP.

    B

    Do not use or advertise a route until the route is learned from a BGP peer.

    C

    Do not use or advertise routes marked PARTIAL.

    D

    Wait until a CONFIRM message is received before using routes from BGP neighbors.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    For which routes does LDP advertise a label binding?()
    A

    all routes in the routing table

    B

    only the IGP and BGP routes in the routing table

    C

    only the BGP routes in the routing table

    D

    only the IGP routes in the routing table


    正确答案: A
    解析: 暂无解析

  • 第13题:

    可以在不中断BGP连接的情况下触发向外宣告BGP路由的命令是()

    A.rr-filter

    B.refresh bgp all internal

    C.refresh bgp all external

    D.reset bgp


    参考答案:C

  • 第14题:

    In which two ways does the BGP graceful restart capability preserve prefix information during a restart?()

    • A、The peer router sends an end-of RIB message to the restarting router
    • B、The peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing table
    • C、The restarting router does not remove any stale prefixes after the timer for stale entries expires
    • D、The router establishes BGP sessions with other routers and relearns the BGP routes from other routers that are also capable of graceful restart. The restarting router waits to receive updates from the neighboring routers. When the neighboring routers send end-of-RIB messages to indicate that they are done sending updates, the restarting router starts sending its own updates
    • E、The restarting router removes any stale prefixes after the timer for stale entries expires

    正确答案:D,E

  • 第15题:

    In which of the following BGP-related events is an End-of-RIB (EOR) message sent?()

    • A、Following a link flap in the BGP speaker’s AS
    • B、During initial convergence.
    • C、Following a Route Processor Switchover.
    • D、Just before sending a CEASE message to tear down the session.
    • E、During capability negotiation

    正确答案:B,C

  • 第16题:

    In which two ways does the BGP graceful capability preserve prefix information during a restart?()

    • A、The peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.
    • B、The router establishes BGP sessions with other routers and relearns the BGP routes from others that are also capable of graceful restart. The restarting router waits to receive updates from the neighboringrouters. When the neighboring routers send end-of-RIB messages to indicate that they are donesending updates,the restarting router starts sending its own updates.
    • C、The peer router sends an end-of-RIB message to the restarting router.
    • D、The restarting router removes any stale prefixes after the timer for stale entries expires.
    • E、The restarting router does not remove any stale prefixes after the timer for stale entries expires.

    正确答案:B,D

  • 第17题:

    In BGP graceful restart, how does a peer router indicate the end of a route exchange?()

    • A、an open message with the E bit set
    • B、an update message with the E bit set
    • C、an open message with an end-of-RIB marker
    • D、an update message with an end-of-RIB marker

    正确答案:D

  • 第18题:

    Which choice describes the JUNOS software default policy action for BGP routes?()

    • A、IBGP peers
    • B、EBGP peers
    • C、Active BGP peers
    • D、Established BGP peers

    正确答案:B

  • 第19题:

    In which three ways are C-BGP and E-BGP sessions similar?()

    • A、Both are configured as type external.
    • B、Both configurations use the peer-as command.
    • C、Neither advertises the local-preference attribute.
    • D、Both set next-hop self when advertising routes to peers.
    • E、Both modify the AS-path attribute when advertising routes.

    正确答案:A,B,E

  • 第20题:

    单选题
    What action will a BGP route reflector take when it receives a prefix marked with the community attribute NO ADVERTISE from a client peer?()
    A

    It will advertise the prefix to all other client peers and non-client peers.

    B

    It will not advertise the prefix to EBGP peers.

    C

    It will only advertise the prefix to all other IBGP peers.

    D

    It will not advertise the prefix to any peers.


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    In BGP graceful restart, how does a peer router indicate the end of a route exchange?()
    A

    An open message with the E bit set.

    B

    An update message with the E bit set.

    C

    An open message with an end-of-RIB marker.

    D

    An update message with an end-of-RIB marker.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?()
    A

    It tears down the BGP session.

    B

    It sends a restart message to the peer.

    C

    It marks all routes from that peer as stale.

    D

    It sends a BGP refresh message to the peer


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Which choice describes the JUNOS software default policy action for BGP routes?()
    A

    IBGP peers

    B

    EBGP peers

    C

    Active BGP peers

    D

    Established BGP peers


    正确答案: D
    解析: 暂无解析

  • 第24题:

    多选题
    In which two ways does the BGP graceful capability preserve prefix information during a restart?()
    A

    The peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.

    B

    The router establishes BGP sessions with other routers and relearns the BGP routes from others that are also capable of graceful restart. The restarting router waits to receive updates from the neighboringrouters. When the neighboring routers send end-of-RIB messages to indicate that they are donesending updates,the restarting router starts sending its own updates.

    C

    The peer router sends an end-of-RIB message to the restarting router.

    D

    The restarting router removes any stale prefixes after the timer for stale entries expires.

    E

    The restarting router does not remove any stale prefixes after the timer for stale entries expires.


    正确答案: B,D
    解析: 暂无解析