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参考答案和解析
参考答案:A
更多“Which BGP attribute is used by BGP to prevent routing loops?() ”相关问题
  • 第1题:

    Which BGP attribute is used by BGP to prevent routing loops?()

    • A、AS - path
    • B、next - hop
    • C、MED
    • D、weight
    • E、local preference
    • F、origin

    正确答案:A

  • 第2题:

    When the BGP path selection process is being performed on a Cisco router, which BGP attribute is used first when determining the best path?()

    • A、local preference
    • B、MED
    • C、weight
    • D、or igin
    • E、next - hop
    • F、AS - path

    正确答案:C

  • 第3题:

    Within a BGP confederation how are routing loops avoided?()

    • A、split horizon
    • B、the AS-path attribute
    • C、the BGP cluster ID attribute
    • D、the BGP originator ID attribute

    正确答案:B

  • 第4题:

    Which three statements about BGP confederation and route reflectors are true? ()

    • A、Clusters are used in confederation schemes to avoid loops.
    • B、BGP network can have a confederation within a route reflector area.
    • C、An internal BGP network cannot have a route reflector within a confederation.
    • D、An internal BGP network can have a route reflector within a confederation.
    • E、Clusters are used in route reflector schemes to avoid loops.
    • F、BGP network cannot have a confederation within a route reflector area.

    正确答案:D,E,F

  • 第5题:

    Which BGP attribute can be used to influence inbound traffic flow?()

    • A、cluster ID
    • B、Weight
    • C、MED
    • D、local preference
    • E、aggregate

    正确答案:C

  • 第6题:

    单选题
    Which form of BGP changes the BGP Next Hop attribute by default?()
    A

    IBGP

    B

    EBGP

    C

    CBGP

    D

    MBGP


    正确答案: B
    解析: 暂无解析

  • 第7题:

    单选题
    Within a BGP confederation, how are routing loops avoided?()
    A

    Split horizon.

    B

    AS confederation sequence.

    C

    The BFP cluster ID attribute.

    D

    The BGP originator ID attribute.


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers?()
    A

    additive

    B

    none

    C

    no-export

    D

    no-advertise

    E

    local-as


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    Which BGP attribute will not be advertised in routing updates to its neighboring routers? Select the best response.()
    A

    weight

    B

    local preference

    C

    origin

    D

    AS_path

    E

    next hop


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    Which message is used to transport routing information between BGP peers?()
    A

    Open

    B

    Active

    C

    Update

    D

    Keepalive


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    Which mechanism does External BGP use to prevent the formation of routing loops?()
    A

    AS path

    B

    Split horizon

    C

    Poison reverse

    D

    Unicast RPF check


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?()
    A

    inet.0

    B

    inet.1

    C

    inet.2

    D

    inet.3


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers?()

    • A、additive
    • B、none
    • C、no-export
    • D、no-advertise
    • E、local-as

    正确答案:D

  • 第14题:

    When BGP is used as the PE-CE routing protocol, which of these statements is correct?()

    • A、On the CE router, PE neighbors must be configured in the VRF context on the CE router
    • B、On PE routers, the CE IBGP neighbors are configured in the global BGP configuration
    • C、On PE routers, the CE EBGP neighbors are configured in the VRF context
    • D、A separate BGP process must be used on the PE routers for CE routers so that they do not use the same BGP routing process as that used for the PE router's other provider neighbors

    正确答案:C

  • 第15题:

    Which mechanism does External BGP use to prevent the formation of routing loops?()

    • A、AS path
    • B、Split horizon
    • C、Poison reverse
    • D、Unicast RPF check

    正确答案:A

  • 第16题:

    Which IOS features are used to avoid Routing loops when dynamic Routing protocols are used betweenPE and CE in MPLS-VPN networks?()

    • A、Site Of Origin SOO.
    • B、SHAM links with OSPF
    • C、BGP cost community
    • D、BGP feature allow-as in
    • E、RPF Reverse Path forwarding.
    • F、Access-list Control in Distance Vector protocol like RIP and EIGRP.

    正确答案:A,F

  • 第17题:

    Within a BGP confederation, how are routing loops avoided?()

    • A、Split horizon.
    • B、AS confederation sequence.
    • C、The BFP cluster ID attribute.
    • D、The BGP originator ID attribute.

    正确答案:B

  • 第18题:

    单选题
    Which BGP attribute is used by BGP to prevent routing loops?()
    A

    AS - path

    B

    next - hop

    C

    MED

    D

    weight

    E

    local preference

    F

    origin


    正确答案: A
    解析: 暂无解析

  • 第19题:

    单选题
    Which BGP attribute can be used to influence inbound traffic flow?()
    A

    cluster ID

    B

    Weight

    C

    MED

    D

    local preference

    E

    aggregate


    正确答案: B
    解析: 暂无解析

  • 第20题:

    多选题
    Which two statements about the bgp deterministic-med and bgp always-compare-med commands are true?()
    A

    The bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path length

    B

    The bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path system

    C

    Enabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system.

    D

    Enabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems.

    E

    The bgp deterministic-med and bgp always-compare-med commands are enabled by defult.


    正确答案: C,A
    解析: 暂无解析

  • 第21题:

    单选题
    Within a BGP confederation how are routing loops avoided?()
    A

    split horizon

    B

    the AS-path attribute

    C

    the BGP cluster ID attribute

    D

    the BGP originator ID attribute


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    When BGP is used as the PE-CE routing protocol, which of these statements is correct?()
    A

    On the CE router, PE neighbors must be configured in the VRF context on the CE router

    B

    On PE routers, the CE IBGP neighbors are configured in the global BGP configuration

    C

    On PE routers, the CE EBGP neighbors are configured in the VRF context

    D

    A separate BGP process must be used on the PE routers for CE routers so that they do not use the same BGP routing process as that used for the PE router's other provider neighbors


    正确答案: C
    解析: 暂无解析

  • 第23题:

    多选题
    Which three statements about BGP confederation and route reflectors are true? ()
    A

    Clusters are used in confederation schemes to avoid loops.

    B

    BGP network can have a confederation within a route reflector area.

    C

    An internal BGP network cannot have a route reflector within a confederation.

    D

    An internal BGP network can have a route reflector within a confederation.

    E

    Clusters are used in route reflector schemes to avoid loops.

    F

    BGP network cannot have a confederation within a route reflector area.


    正确答案: F,C
    解析: 暂无解析