niusouti.com
更多“Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?() ”相关问题
  • 第1题:

    Which command enables RSTP on aswitch?()

    A.spanning-tree mode rapid-pvst

    B.spanning-tree uplinkfast

    C.spanning-tree backbonefast

    D.spanning-tree mode mst


    参考答案:A

  • 第2题:

    在单链路上联的接入交换机上部署环路预防策略时,需要做哪些生成树相关工作?()

    • A、上联口开启spanning-tree filter
    • B、下联口开启spanning-tree filter
    • C、下联口开启spanning-tree portfast
    • D、下联口开启spanning-tree bpduguard

    正确答案:A,C,D

  • 第3题:

    Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs?()

    • A、spanning-tree guard root
    • B、spanning-tree portfast bpduguard default
    • C、spanning-tree bpduguard enable
    • D、spanning-tree bpdufilter enable
    • E、spanning-tree portfast bpdufilter default

    正确答案:E

  • 第4题:

    Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree? ()

    • A、 PortFast
    • B、 UplinkFast
    • C、 loop guard
    • D、 root guard
    • E、 BPDU guard
    • F、 BackboneFast

    正确答案:A,C,D,E

  • 第5题:

    Which command enables RSTP on a switch?()

    • A、spanning-tree mode rapid-pvst
    • B、spanning-tree uplinkfast
    • C、spanning-tree backbonefast
    • D、spanning-tree mode mst

    正确答案:A

  • 第6题:

    What is the next state of initial in spanning-tree protocol?


    正确答案:blocking 

  • 第7题:

    Which command enhances the 802.1D convergence time on ports that are connected to hosts?()

    • A、spanning-tree backbonefast
    • B、spanning-tree uplinkfast
    • C、spanning-tree portfast
    • D、spanning-tree cost512

    正确答案:C

  • 第8题:

    多选题
    Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree? ()
    A

    PortFast

    B

    UplinkFast

    C

    loop guard

    D

    root guard

    E

    BPDU guard

    F

    BackboneFast


    正确答案: F,D
    解析: 暂无解析

  • 第9题:

    单选题
    A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state,  which command should be configured to satisfy the requirement?()
    A

    Switch(config)#spanning-tree loopguard default

    B

    Switch(config-if)#spanning-tree bdpufilter

    C

    Switch(config)#udld aggressive

    D

    Switch(config-if)#spanning-tree bpduguard


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which configuration is used to enable root guard?()
    A

    interface gig3/1  spanning-tree guard root

    B

    interface gig3/1  spanning-tree root guard

    C

    interface gig3/1  spanning-tree root-guard

    D

    interface gig3/1  spanning-tree root-guard default


    正确答案: A
    解析: 暂无解析

  • 第11题:

    多选题
    Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?()
    A

    PortFast

    B

    UplinkFast

    C

    loop guard

    D

    root guard

    E

    BPDU guard

    F

    BackboneFast


    正确答案: A,D
    解析: 暂无解析

  • 第12题:

    问答题
    What is the next state of initial in spanning-tree protocol?

    正确答案: blocking 
    解析: 暂无解析

  • 第13题:

    当你想关闭一台直接连在服务器上的交换机上的STP功能时,你不会使用下面哪些命令()

    • A、Disablespanning-tree
    • B、spanning-tree off
    • C、spanning-tree security
    • D、spanning-tree portfast
    • E、spanning-tree down

    正确答案:A,B,C,E

  • 第14题:

    能够将分布交换机配置为生成树的主根交换机的命令是()。

    • A、spanning-tree vlan vlan-id primary
    • B、spanning-tree vlan vlan-id root primary
    • C、spanning-tree root primary
    • D、spanning-tree bridge root

    正确答案:B

  • 第15题:

    哪个命令可以在交换机启用RSTP? ()

    • A、 spanning-tree mode rapid-pvst
    • B、 spanning-tree uplinkfast
    • C、 spanning-tree backbonefast
    • D、 spanning-tree mode mst

    正确答案:A

  • 第16题:

    What Cisco technology protects against Spanning-Tree Protocol manipulation?()

    • A、 Spanning tree protect
    • B、 Root Guard and BPDU Guard
    • C、 Unicast Reverse Path Forwarding
    • D、 MAC spoof guard
    • E、 Port Security

    正确答案:B

  • 第17题:

    Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?()

    • A、PortFast
    • B、UplinkFast
    • C、loop guard
    • D、root guard
    • E、BPDU guard
    • F、BackboneFast

    正确答案:A,C,D,E

  • 第18题:

    Which of the following specifications is a companion to the IEEE 802.1w Rapid Spanning Tree  Protocol (RSTP) algorithm, and warrants the use multiple spanning-trees? ()

    • A、 IEEE 802.1s (MST)
    • B、 IEEE 802.1Q (CST)
    • C、 Cisco PVST+
    • D、 IEEE 802.1d (STP)
    • E、 None of the other alternatives apply

    正确答案:A

  • 第19题:

    Which two statements about the various implementations of STP are true?()

    • A、mon Spanning Tree maintains a separate spanning-tree instance for each VLAN configured in the network.
    • B、The Spanning Tree Protocol (STP) is an evolution of the IEEE 802.1w standard.
    • C、Per-VLAN Spanning Tree (PVST) supports 802.1Q trunking.
    • D、Per-VLAN Spanning Tree Plus(PVST+) is an enhancement to 802.1Q specification and is supported only on Cisco devices.
    • E、Rapid Spanning Tree Protocol (RSTP) includes features equivalent to Cisco PortFast, UplinkFast, and BackboneFast for faster network reconvergence.
    • F、Multiple Spanning Tree (MST) assumes one spanning-tree instance for the entire Layer 2 network, regardless of the multiple number of VLANs

    正确答案:D,E

  • 第20题:

    单选题
    哪个命令可以在交换机启用RSTP? ()
    A

     spanning-tree mode rapid-pvst

    B

     spanning-tree uplinkfast

    C

     spanning-tree backbonefast

    D

     spanning-tree mode mst


    正确答案: D
    解析: 暂无解析

  • 第21题:

    多选题
    Which two statements about the various implementations of STP are true?()
    A

    mon Spanning Tree maintains a separate spanning-tree instance for each VLAN configured in the network.

    B

    The Spanning Tree Protocol (STP) is an evolution of the IEEE 802.1w standard.

    C

    Per-VLAN Spanning Tree (PVST) supports 802.1Q trunking.

    D

    Per-VLAN Spanning Tree Plus(PVST+) is an enhancement to 802.1Q specification and is supported only on Cisco devices.

    E

    Rapid Spanning Tree Protocol (RSTP) includes features equivalent to Cisco PortFast, UplinkFast, and BackboneFast for faster network reconvergence.

    F

    Multiple Spanning Tree (MST) assumes one spanning-tree instance for the entire Layer 2 network, regardless of the multiple number of VLANs


    正确答案: D,A
    解析: 暂无解析

  • 第22题:

    单选题
    What Cisco technology protects against Spanning-Tree Protocol manipulation?()
    A

     Spanning tree protect

    B

     Root Guard and BPDU Guard

    C

     Unicast Reverse Path Forwarding

    D

     MAC spoof guard

    E

     Port Security


    正确答案: E
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following specifications is a companion to the IEEE 802.1w Rapid Spanning Tree  Protocol (RSTP) algorithm, and warrants the use multiple spanning-trees? ()
    A

     IEEE 802.1s (MST)

    B

     IEEE 802.1Q (CST)

    C

     Cisco PVST+

    D

     IEEE 802.1d (STP)

    E

     None of the other alternatives apply


    正确答案: C
    解析: 暂无解析