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Which of the following answers is most true about the BGP Update message?()A. It lists a set of path attributes, along with a list of prefixes that use those PAsB. It lists a prefix/length, plus the PA settings for that prefixC. It lists withdrawn routes,

题目
Which of the following answers is most true about the BGP Update message?()

A. It lists a set of path attributes, along with a list of prefixes that use those PAs

B. It lists a prefix/length, plus the PA settings for that prefix

C. It lists withdrawn routes, but never in the same Update message as newly advertised routes

D. A single Update message lists at most a single prefix/lengtH


相似考题
更多“Which of the following answers is most true about the BGP Update message?() ”相关问题
  • 第1题:

    Refer to the exhibit. Which of the following statements is true? ()

    A. BGP NSF awareness is enabled

    B. SSO for BGP NSF capability is enabled

    C. BGP graceful restart awareness is enabled

    D. 10.11.1.187 is configured as an NSF-capable BGP neighbor


    参考答案:A

  • 第2题:

    Which of the following are both advertised by EIGRP in the Update message and included in the formula for calculating the integer EIGRP metric?()

    A.Jitter

    B.Delay

    C.MTU

    D.Reliability


    参考答案:B, D

  • 第3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4题:

    Which one of the following statements about BGP is FALSE?()

    • A、BGP uses TCP port 179.
    • B、BGP ensures reliability of updates by using the reliable transport services of TCP.
    • C、The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.
    • D、A TCP connection is required before exchanging updates.
    • E、BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.

    正确答案:E

  • 第5题:

    Which description of BGP authentication is true?()

    • A、MD5 has been used by BGP to encrypt BGP update packets.
    • B、BGP uses a message-digest algorithm to authenticate BGP peers
    • C、A plain-text password authentication is an option of BGP authentication
    • D、EBGP peers authentication is faster than IBGP peers authentication
    • E、BGP uses public key and private key to authenticate BGP peers.

    正确答案:B

  • 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:

    单选题
    Which of the following about The Times is not true?
    A

    The circulation is very small.

    B

    This is the most famous of all British papers.

    C

    The most important British people all over the world still read it.

    D

    It is most critical of established interests.


    正确答案: D
    解析:
    The Times《泰晤士报》是英国第一主流大报,也是英国历史最悠久的日报,发行量很大,对世界政治、经济、文化有重大影响。选项A与事实不符,为正确答案。

  • 第8题:

    单选题
    Which one of the following statements about BGP is FALSE?()
    A

    BGP uses TCP port 179.

    B

    BGP ensures reliability of updates by using the reliable transport services of TCP.

    C

    The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.

    D

    A TCP connection is required before exchanging updates.

    E

    BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.


    正确答案: E
    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
    The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output?() B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18
    A

    This router has set the Weight of this route to 10.

    B

    This router's BGP table lists this route as an iBGP route.

    C

    This router's MED has been set to 10.

    D

    This router's BGP table lists an AS_Path length of 10 for this route.


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following answers is most true about the BGP Update message?()
    A

    It lists a set of path attributes, along with a list of prefixes that use those PAs

    B

    It lists a prefix/length, plus the PA settings for that prefix

    C

    It  lists withdrawn routes, but never in the same Update message as newly advertised routes

    D

    A single Update message lists at most a single prefix/lengtH


    正确答案: B
    解析: 暂无解析

  • 第12题:

    多选题
    Which two statements about SA caching are true?()
    A

    Caching allows pacing of MSDP messages.

    B

    Caching reduces join latency.

    C

    Caching should not be done by an MSDP speaker.

    D

    Caching is used to update the BGP MDT address family.


    正确答案: C,B
    解析: 暂无解析

  • 第13题:

    Which one of the following statements about BGP is FALSE?()

    A. BGP uses TCP port 179.

    B. BGP ensures reliability of updates by using the reliable transport services of TCP.

    C. The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.

    D. A TCP connection is required before exchanging updates.

    E. BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.


    参考答案:E

  • 第14题:

    Which of the following answers is most true about the BGP Update message?()

    • A、It lists a set of path attributes, along with a list of prefixes that use those PAs
    • B、It lists a prefix/length, plus the PA settings for that prefix
    • C、It  lists withdrawn routes, but never in the same Update message as newly advertised routes
    • D、A single Update message lists at most a single prefix/lengtH

    正确答案:A

  • 第15题:

    Which of the following commands can be used to gather information about the AS-PATH of a BGProute? (Choose all that apply.)()

    • A、show ip bgp neighbors
    • B、debug ip bgp updates
    • C、show ip route bgp
    • D、show ip bgp
    • E、show ip bgp summary
    • F、sh ip bgp database

    正确答案:B,D,E

  • 第16题:

    The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output?() B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18

    • A、This router has set the Weight of this route to 10.
    • B、This router's BGP table lists this route as an iBGP route.
    • C、This router's MED has been set to 10.
    • D、This router's BGP table lists an AS_Path length of 10 for this route.

    正确答案:C

  • 第17题:

    A power loss during a firmware update would MOST likely result in which of the following?()

    • A、Increased heat output
    • B、Damage of the hardware
    • C、Loss of storage data
    • D、Decreased performance

    正确答案:C

  • 第18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19题:

    多选题
    Which of the following commands can be used to gather information about the AS-PATH of a BGProute? (Choose all that apply.)()
    A

    show ip bgp neighbors

    B

    debug ip bgp updates

    C

    show ip route bgp

    D

    show ip bgp

    E

    show ip bgp summary

    F

    sh ip bgp database


    正确答案: C,D
    解析: 暂无解析

  • 第20题:

    多选题
    Which of the following are both advertised by EIGRP in the Update message and included in the formula for calculating the integer EIGRP metric?()
    A

    Jitter

    B

    Delay

    C

    MTU

    D

    Reliability


    正确答案: C,A
    解析: 暂无解析

  • 第21题:

    单选题
    Which statement about firefighting foam is TRUE?()
    A

    Foam conducts electricity

    B

    To be most effective,foam should be directed at the base of the fire

    C

    Foam is most effective on burning liquids which are flowing

    D

    Foam can ONLY be used to extinguish class A fires


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    Which description of BGP authentication is true?()
    A

    MD5 has been used by BGP to encrypt BGP update packets.

    B

    BGP uses a message-digest algorithm to authenticate BGP peers

    C

    A plain-text password authentication is an option of BGP authentication

    D

    EBGP peers authentication is faster than IBGP peers authentication

    E

    BGP uses public key and private key to authenticate BGP peers.


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    According to the passage, which of the following is NOT true about Andry Rajoelina?
    A

    He represents Antananarivo’s poor urban residents.

    B

    He is not accepted by most countries.

    C

    He was mayor of Antananarivo.

    D

    He has been a famous orator throughout Madagascar.


    正确答案: C
    解析:
    题目问的是:根据文章,下列关于安德里拉乔利纳的描述哪一项是错误的?文章第6段提到“The former mayor of Antananarivo is little known in the provinces.”,说明他作为前塔那那利佛市长,鲜有人知。D项说他已经是响彻整个马达加斯加的著名演说家,与原文不符。故选D。

  • 第24题:

    多选题
    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,D
    解析: 暂无解析