单选题What is the action of "pop" in the context of MPLS switching？（）A It removes the top label in the MPLS label stack.B It adds a top label in MPLS label stack.C It replaces the top label in the MPLS label stack with another value.D It replaces the top lab

题目
单选题
What is the action of "pop" in the context of MPLS switching？（）
A

It removes the top label in the MPLS label stack.

B

It adds a top label in MPLS label stack.

C

It replaces the top label in the MPLS label stack with another value.

D

It replaces the top label in the MPLS label stack with a set of labels.

E

None of above.

相似考题

1.MPLS英文缩写()。A.Multi ProtocolLabel SwitchingB.Multi PathLabel SwitchingC.Multi plexLabel SwitchingD.Multiprovision Label Switching

2.The router SIS-R has been configured in a CIS network. As a network administrator, you were required to enable MPLS on that router.Which of the following description is making sense on the basis of the output information?（）A. CEF switching is only needed to forward labeled packets.B. CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.C. Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process.D. Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.

3.Why is it appropriate to use conditional label advertising when deploying MPLS? ()A. to make CEF tables smallerB. to enable label switching on the frame mode interfaceC. to restrict MPLS availability to predefined time periodsD. to restrict label switching to a limited number of networksE. to restrict end users from seeing the routers in the MPLS network

4.不属于电子邮件协议。A．POP3B．SMTPC．IMAPD．MPLS

更多“What is the action of "pop" in the context of MPLS switching”相关问题

  • 第1题：

    Why is it appropriate to use conditional label advertising when deploying MPLS? （）

    • A、to make CEF tables smaller
    • B、to enable label switching on the frame mode interface
    • C、to restrict MPLS availability to predefined time periods
    • D、to restrict label switching to a limited number of networks
    • E、to restrict end users from seeing the routers in the MPLS network

    正确答案:D

  • 第2题：

    As a network administrator, you are required to deploy MPLS technology. During the deployment, it is recommended to apply conditional label advertising. What is most probably the reason for that?（）

    • A、to enable label switching on the frame mode interface
    • B、to restrict MPLS availability to predefined time periods
    • C、to restrict end users from seeing the routers in the MPLS network
    • D、to restrict label switching to a limited number of networks

    正确答案:D

  • 第3题：

    What is the action of "pop" in the context of MPLS switching？（）

    • A、It removes the top label in the MPLS label stack.
    • B、It adds a top label in MPLS label stack.
    • C、It replaces the top label in the MPLS label stack with another value.
    • D、It replaces the top label in the MPLS label stack with a set of labels.
    • E、None of above.

    正确答案:A

  • 第4题：

    MPLS英文缩写（）。

    • A、Multi ProtocolLabel Switching
    • B、Multi PathLabel Switching
    • C、Multi plexLabel Switching
    • D、Multiprovision Label Switching

    正确答案:A

  • 第5题：

    Which four services use the inner labels of an MPLS label stack？ （）

    • A、MPLS VPN
    • B、switching path in MPLS core
    • C、Cisco MPLS Traffic Engineering and Fast Reroute
    • D、MPLS over ATM
    • E、VPN over Traffic Engineering core
    • F、any transport over MPLS

    正确答案:A,C,E,F

  • 第6题：

    Which statement about MPLS traffic engineering policy-based tunnel selection （PBTS） is not true？（）

    • A、The tunnel that is not configured with the policy-class command acts as the default
    • B、EXP selection is between multiple tunnels to the same destination
    • C、There is no requirement for IGP extensions
    • D、Tunnels are configured using the policy-class command and carry multiple EXP values
    • E、It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching

    正确答案:D

  • 第7题：

    MPLS中，可能执行POP操作的节点有（）

    • A、Ingress
    • B、Transit
    • C、Penultimate
    • D、Egress

    正确答案:C,D

  • 第8题：

    单选题
    Which statement about L2VPN Pseudowire Switching is not true？（）
    A

    L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across an inter-AS boundary

    B

    L2VPN Pseudowire Switching allows the user to extend L2VPN Pseudowires across two separate MPLS networks

    C

    Quality of service is not supported per Pseudowire

    D

    L2VPN Pseudowire Switching connects two or more contiguous Pseudowires segments to from an end-to-end multihop Pseudowire

    E

    The Cisco MPLS Traffic Engineering tunnel selection is not supported


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    What IOS commands display MPLS label mapping on an LSR？（）
    A

    Show mpls forwading-table

    B

    Show mpls ldp bindings

    C

    Show mpls ldp neighbor detail

    D

    Show mpls ldp parameters

    E

    Show mpls ldp discovery


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    As a network administrator, you are required to deploy MPLS technology. During the deployment, it is recommended to apply conditional label advertising. What is most probably the reason for that?（）
    A

    to enable label switching on the frame mode interface

    B

    to restrict MPLS availability to predefined time periods

    C

    to restrict end users from seeing the routers in the MPLS network

    D

    to restrict label switching to a limited number of networks


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    What is the action of "pop" in the context of MPLS switching？（）
    A

    It removes the top label in the MPLS label stack.

    B

    It adds a top label in MPLS label stack.

    C

    It replaces the top label in the MPLS label stack with another value.

    D

    It replaces the top label in the MPLS label stack with a set of labels.

    E

    None of above.


    正确答案： E
    解析： 暂无解析

  • 第12题：

    多选题
    Which three of the following steps are mandatory when configuring MPLS on Cisco IOS?（）(Choose three.)
    A

    start LDP

    B

    enable CEF switching

    C

    configure the MPLS ID

    D

    disable IP TTL propagation

    E

    configure conditional label advertising

    F

    enable label switching on frame mode interfaces


    正确答案： A,F
    解析： 暂无解析

  • 第13题：

    In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）

    • A、It adds the VPN label into the top label in the MPLS label stack
    • B、It replaces the top label in the MPLS label stack with a VPN label and propagates
    • C、It replaces the bottom label in the MPLS label stack with a VPN label and propagates
    • D、It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packets
    • E、None of above

    正确答案:D

  • 第14题：

    Using more than one label on a single packet is required in what context？（）

    • A、MPLS TE
    • B、MPLS VPN
    • C、When CEF switching and Label switching is done
    • D、In all the above circumstances

    正确答案:B

  • 第15题：

    MPLS标签操作类型包括（）。

    • A、push
    • B、swap
    • C、switch
    • D、pop

    正确答案:A,B,D

  • 第16题：

    Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? （）(Choose three.)

    • A、start LDP
    • B、enable CEF switching
    • C、configure the MPLS ID
    • D、disable IP TTL propagation
    • E、configure conditional label advertising
    • F、enable label switching on frame mode interfaces

    正确答案:A,B,F

  • 第17题：

    In which three network technologies is traffic shaping used to prevent and manage congestion？ （）

    • A、Asynchronous Transfer Mode （ATM）
    • B、data-link switching （DLSw）
    • C、Route Processor Redundancy （RPR）
    • D、Frame Relay （FR）
    • E、Metro Ethernet
    • F、Multiprotocol Label Switching （MPLS）

    正确答案:A,D,E

  • 第18题：

    For best packet switching performance with crypto, what is the recommend packet switching path in a Cisco Teleworker Router?（）

    • A、Process Switching
    • B、Silicon Switching 
    • C、Cisco Express Forwarding (CEF) Switching
    • D、Autonomous Switching

    正确答案:C

  • 第19题：

    单选题
    Which command will display the MPLS label binding for IP prefix 1.1.1.0 on the router？（）
    A

    show tag-switching tdp binding 1.1.1.0/24

    B

    show tag-switching tdp bindings neighbor 1.1.1.0

    C

    show tag-switching interface e0/0

    D

    A and B both will show the binding.

    E

    All of the above.


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    Which statement about MPLS traffic engineering policy-based tunnel selection （PBTS） is not true？（）
    A

    The tunnel that is not configured with the policy-class command acts as the default

    B

    EXP selection is between multiple tunnels to the same destination

    C

    There is no requirement for IGP extensions

    D

    Tunnels are configured using the policy-class command and carry multiple EXP values

    E

    It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Why is it appropriate to use conditional label advertising when deploying MPLS?（）
    A

    to make CEF tables smaller

    B

    to enable label switching on the frame mode interface

    C

    to restrict MPLS availability to predefined time periods

    D

    to restrict label switching to a limited number of networks

    E

    to restrict end users from seeing the routers in the MPLS network


    正确答案： B
    解析： 暂无解析

  • 第22题：

    多选题
    In which three network technologies is traffic shaping used to prevent and manage congestion？ （）
    A

    Asynchronous Transfer Mode （ATM）

    B

    data-link switching （DLSw）

    C

    Route Processor Redundancy （RPR）

    D

    Frame Relay （FR）

    E

    Metro Ethernet

    F

    Multiprotocol Label Switching （MPLS）


    正确答案： D,B
    解析： 暂无解析

  • 第23题：

    单选题
    In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）
    A

    It adds the VPN label into the top label in the MPLS label stack

    B

    It replaces the top label in the MPLS label stack with a VPN label and propagates

    C

    It replaces the bottom label in the MPLS label stack with a VPN label and propagates

    D

    It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packets

    E

    None of above


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    Using more than one label on a single packet is required in what context？（）
    A

    MPLS TE

    B

    MPLS VPN

    C

    When CEF switching and Label switching is done

    D

    In all the above circumstances


    正确答案： C
    解析： 暂无解析

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