单选题Which mechanism does External BGP use to prevent the formation of routing loops?（）A AS pathB Split horizonC Poison reverseD Unicast RPF check

题目
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

相似考题

1.Which configuration command allows the ERX Edge Router to perform Unicast Reverse Path Forwarding lookups on all packets received on an IP interface?()A. ip sa-validateB. ip split-horizonC. ip access-routesD. ip filter-options

2.Which mechanism does External BGP use to prevent the formation of routing loops?()A. AS pathB. Split horizonC. Poison reverseD. Unicast RPF check

3.Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?()A. inet.0B. inet.1C. inet.2D. inet.3

4.Within a BGP confederation how are routing loops avoided?()A. split horizonB. the AS-path attributeC. the BGP cluster ID attributeD. the BGP originator ID attribute

更多“单选题Which mechanism does External BGP use to prevent the formation of routing loops?（）A AS pathB Split horizonC Poison reverseD Unicast RPF check”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


    参考答案：A

  • 第2题：

    RIP version 2 is being used as the routing protocol within the Testking network.What does RIP version 2 use to prevent routing loops?()

    A. CIDR

    B. Split horizon

    C. Authentication

    D. Classless masking

    E. Hold-down timers

    F. Multicast routing updates

    G. Path Vectoring


    参考答案：B, E

  • 第3题：

    Which of the following technologies can be used in distance vector routing protocols to prevent routing loops?（）

    • A、Spanning Tree Protocol
    • B、Shortest path first tree
    • C、Link-state advertisements (LSA)
    • D、Hold-down timers
    • E、Split horizon
    • F、VRP

    正确答案:D,E

  • 第4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5题：

    What is the purpose of the spanning-tree algorithm in a switched LAN?（）

    • A、To provide a monitoring mechanism for networks in switched environments.
    • B、To manage VLANs across multiple switches.
    • C、To prevent switching loops in networks with redundant switched paths.
    • D、To segment a network into multiple collision domains.
    • E、To prevent routing loops in networks.

    正确答案:C

  • 第6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7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8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9题：

    多选题
    RIP version 2 is being used as the routing protocol within the Testking network.What does RIP version 2 use to prevent routing loops?（）
    A

    CIDR

    B

    Split horizon

    C

    Authentication

    D

    Classless masking

    E

    Hold-down timers

    F

    Multicast routing updates

    G

    Path Vectoring


    正确答案： C,E
    解析： 暂无解析

  • 第10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11题：

    单选题
    What is the purpose of the spanning-tree algorithm in a switched LAN?（）
    A

    To provide a monitoring mechanism for networks in switched environments.

    B

    To manage VLANs across multiple switches.

    C

    To prevent switching loops in networks with redundant switched paths.

    D

    To segment a network into multiple collision domains.

    E

    To prevent routing loops in networks.


    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：

    Which of the following technologies can be used in distance vector routing protocols to prevent routing loops?()

    A. Spanning Tree Protocol

    B. Shortest path first tree

    C. Link-state advertisements (LSA)

    D. Hold-down timers

    E. Split horizon

    F. VRRP


    参考答案：D, E

  • 第14题：

    Based on the network shown in the graphic which option contains the potential networking problem and protocol or setting that can to prevent the problem?()

    A.Routing loops, hold down timers

    B.Switching loops, split horizon

    C.Routing loops, split horizon

    D.Switching loops, VTP

    E.Routing loops, STP

    F.Switching loops, STP


    参考答案：F

  • 第15题：

    RIP version 2 is being used as the routing protocol within the Testking network.What does RIP version 2 use to prevent routing loops?（）

    • A、CIDR
    • B、Split horizon
    • C、Authentication
    • D、Classless masking
    • E、Hold-down timers
    • F、Multicast routing updates
    • G、Path Vectoring

    正确答案:B,E

  • 第16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17题：

    Which configuration command allows the ERX Edge Router to perform Unicast Reverse Path Forwarding lookups on all packets received on an IP interface?（）

    • A、ip sa-validate
    • B、ip split-horizon
    • C、ip access-routes
    • D、ip filter-options

    正确答案:A

  • 第18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:C

  • 第19题：

    Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the impact of having these links？（）

    • A、 use BGP as the CE-PE routing protocol
    • B、 use OSPF as the CE-PE routing protocol
    • C、 use EIGRP as the CE-PE routing protocol
    • D、 use the SP to redistribute routes as external routes for OSPF and EIGRP
    • E、 use route redistribution at each location to ensure external routes are imported into the IGP

    正确答案:A

  • 第20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21题：

    单选题
    In a switched LAN network, what is the Spanning-Tree algorithm used for?（）
    A

    It is used to provide a mechanism for routing updates in switched environments.

    B

    It is used to prevent routing loops in networks with redundant routes.

    C

    It is used to prevent switching loops in networks with redundant switched routes.

    D

    It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.

    E

    It is used to segment a network into multiple collision domains.

    F

    None of the above.

    G

    All of the above are functions of STP.


    正确答案： F
    解析： 暂无解析

  • 第22题：

    单选题
    Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the impact of having these links？（）
    A

     use BGP as the CE-PE routing protocol

    B

     use OSPF as the CE-PE routing protocol

    C

     use EIGRP as the CE-PE routing protocol

    D

     use the SP to redistribute routes as external routes for OSPF and EIGRP

    E

     use route redistribution at each location to ensure external routes are imported into the IGP


    正确答案： B
    解析： 暂无解析

  • 第23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

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