When configured. MPLS can increase routing redundancy by providing which of the following network topology types?（）A、BusB、MeshC、MultipathD、Ring

题目

When configured. MPLS can increase routing redundancy by providing which of the following network topology types?（）

  • A、Bus
  • B、Mesh
  • C、Multipath
  • D、Ring
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参考答案和解析
正确答案:B
更多“When configured. MPLS can increa”相关问题

  • 第1题：

    Which statement is correct about logical units on Juniper Router interfaces?()

    A.Logical units are used only when a Layer 2 identifier is present such as a VLAN

    B.A logical unit of 0 is required when using a frame-relay DLCI

    C.A logical unit is always required

    D.Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.


    参考答案：C

  • 第2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3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4题：

    When an MPLS Layer 2 VPN runs in the hub-and-spoke model， where is QoS implemented？（）

    • A、hub and spoke
    • B、PE
    • C、CE
    • D、hub
    • E、spoke

    正确答案:D

  • 第5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6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7题：

    Which two of these are characteristics of MPLS VPNs？ （）

    • A、 Layer 3 MPLS VPNs can forward only IP packets
    • B、 Layer 2 MPLS VPNs can forward any network protocol
    • C、 MPL S label paths are automatically formed based on Layer 2 frames
    • D、 Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames
    • E、 In Layer 2 MPLS VPNS， the service provider controls the customer Layer 3 policies

    正确答案:A,B

  • 第8题：

    Users complain they cannot communicate with a server.  The system administrator suspects there may be a problem with the Ethernet adapter or with the way it is configured.  Which command can be run to verify the adapter is configured correctly？（）

    • A、netstat -in
    • B、ifconfig -a
    • C、arp -a
    • D、cfgmgr

    正确答案:B

  • 第9题：

    多选题
    Which three functions can CCC be used for？（）
    A

    To interconnect VLANS

    B

    To interconnect ATM VCs

    C

    To interconnect MPLS LSPs

    D

    To interconnect MPLS VPNs


    正确答案： C,A
    解析： 暂无解析

  • 第10题：

    单选题
    Which statement is correct about logical units on Juniper Router interfaces?（）
    A

    Logical units are used only when a Layer 2 identifier is present such as a VLAN

    B

    A logical unit of 0 is required when using a frame-relay DLCI

    C

    A logical unit is always required

    D

    Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    多选题
    Which of the following statements regarding ISDN are correct?（）
    A

    Each ISDN B channel has transmission speeds of up to 64 kbps.

    B

    The ISDN B channel can carry video, voice or data.

    C

    The ISDN B channel transmission rate varies depending on the service used.

    D

    The ISDN D channel transmits control information.

    E

    The ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.


    正确答案： C,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：

    When configured. MPLS can increase routing redundancy by providing which of the following network topology types?()

    A.Bus

    B.Mesh

    C.Multipath

    D.Ring


    参考答案：B

  • 第14题：

    Which two of these are characteristics of MPLS VPNs?()

    A. Layer 3 MPLS VPNs can forward only IP packets

    B. Layer 2 MPLS VPNs can forward any network protocol

    C. MPLS label paths are automatically formed based on Layer 2 frames

    D. Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames

    E. In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies


    参考答案：A, B

  • 第15题：

    Which of the following statements regarding ISDN are correct?（）

    • A、Each ISDN B channel has transmission speeds of up to 64 kbps.
    • B、The ISDN B channel can carry video, voice or data.
    • C、The ISDN B channel transmission rate varies depending on the service used.
    • D、The ISDN D channel transmits control information.
    • E、The ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.

    正确答案:A,B,D

  • 第16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17题：

    Which three functions can CCC be used for？（）

    • A、To interconnect VLANS
    • B、To interconnect ATM VCs
    • C、To interconnect MPLS LSPs
    • D、To interconnect MPLS VPNs

    正确答案:A,B,C

  • 第18题：

    In an Ethernet network, under what two scenarios can devices transmit?（）

    • A、when they receive a special token
    • B、when there is a carrier
    • C、when they detect no other devices are sending
    • D、when the medium is idle
    • E、when the server grants access

    正确答案:C,D

  • 第19题：

    Which two of these are characteristics of MPLS VPNs?（）

    • A、Layer 3 MPLS VPNs can forward only IP packets
    • B、Layer 2 MPLS VPNs can forward any network protocol
    • C、MPLS label paths are automatically formed based on Layer 2 frames
    • D、Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames
    • E、In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies

    正确答案:A,B

  • 第20题：

    Which statement is correct about logical units on Juniper Router interfaces?（）

    • A、Logical units are used only when a Layer 2 identifier is present such as a VLAN
    • B、A logical unit of 0 is required when using a frame-relay DLCI
    • C、A logical unit is always required
    • D、Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.

    正确答案:C

  • 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：

    单选题
    When an MPLS Layer 2 VPN runs in the hub-and-spoke model， where is QoS implemented？（）
    A

    hub and spoke

    B

    PE

    C

    CE

    D

    hub

    E

    spoke


    正确答案： C
    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

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