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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

题目

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
相似考题

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

2.Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches. As a network administrator, you are required to configure MPLS on Cisco IOS. In such a situation,which three of the following steps are necessary to take?（）A. Start LDP.B. Enable CEF switching.C. Configure conditional label advertising.D. Enable label switching on frame mode interfaces.E. disable IP TTL propagationF. configure conditional label advertising

3.Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? ()(Choose three.)A. start LDPB. enable CEF switchingC. configure the MPLS IDD. disable IP TTL propagationE. configure conditional label advertisingF. enable label switching on frame mode interfaces

4.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.

更多“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”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


    参考答案：D

  • 第2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3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4题：

    在MPLS中，LDP的具体解释（）。

    • A、Label Data Pair
    • B、Label Distribution Pair
    • C、Label Distribution Protocol
    • D、Label Data Protocol

    正确答案:C

  • 第5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6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7题：

    Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）

    • A、The stack bit will only be used when LDP is the label distribution protocol
    • B、The label is the last entry in the label stack.
    • C、The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.
    • D、The stack bit is reserved for future use.

    正确答案:B

  • 第8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： F,D
    解析： 暂无解析

  • 第9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10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11题：

    多选题
    Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches. As a network administrator, you are required to configure MPLS on Cisco IOS. In such a situation, which three of the following steps are necessary to take?（）
    A

    Start LDP.

    B

    Enable CEF switching.

    C

    Configure conditional label advertising.

    D

    Enable label switching on frame mode interfaces.

    E

    disable IP TTL propagation

    F

    configure conditional label advertising


    正确答案： E,F
    解析： 暂无解析

  • 第12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： B
    解析： 暂无解析

  • 第13题：

    There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）

    • A、TE label， IGP label， VPN label
    • B、IGP label， TE label， VPN label
    • C、TE label， VPN label， IGP label
    • D、VPN label， IGP label， TE label
    • E、IGP label， VPN label， TE label

    正确答案:A

  • 第14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15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16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17题：

    Which three MPLS statements are true？（）

    • A、Cisco Express Forwarding （CEF） must be enabled as a prerequisite to running MPLS on a Cisco router.
    • B、Frame-mode MPLS inserts a 32-bit label between the Layer 3 and Layer 4 headers.
    • C、MPLS is designed for use with frame-based Layer 2 encapsulation protocols such as Frame Relay， but is not supported by ATM because of ATM fixed-length cells.
    • D、OSPF， EIGRP， IS-IS， RIP， and BGP can be used in the control plane.
    • E、The control plane is responsible for forwarding packets.
    • F、The two major components of MPLS include the control plane and the data plane.

    正确答案:A,D,F

  • 第18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19题：

    单选题
    Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）
    A

    The stack bit will only be used when LDP is the label distribution protocol

    B

    The label is the last entry in the label stack.

    C

    The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.

    D

    The stack bit is reserved for future use.


    正确答案： B
    解析： 暂无解析

  • 第20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21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： C
    解析： 暂无解析

  • 第22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： D
    解析： 暂无解析

  • 第23题：

    单选题
    There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）
    A

    TE label， IGP label， VPN label

    B

    IGP label， TE label， VPN label

    C

    TE label， VPN label， IGP label

    D

    VPN label， IGP label， TE label

    E

    IGP label， VPN label， TE label


    正确答案： E
    解析： 暂无解析

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