Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）A、 PortFastB、 UplinkFastC、 loop guardD、 root guardE、 BPDU guardF、 BackboneFast

题目

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
相似考题

1.要确保交换机成为VLAN30的根网桥,可使用下面哪两个命令之一?()A.spanning-tree vlan 30 priority 0B.spanning-tree vlan 30 priority 16384C.spanning-tree vlan 30 root guaranteeD.spanning-tree vlan 30 root primary

2.Which command enhances the 802.1D convergence time on ports that are connected to hosts?()A. spanning-tree backbonefastB. spanning-tree uplinkfastC. spanning-tree portfastD. spanning-tree cost512

3.Which command enables RSTP on a switch?()A. spanning-tree mode rapid-pvstB. spanning-tree uplinkfastC. spanning-tree backbonefastD. spanning-tree mode mst

4.Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per－VLAN Spanning－Tree plus?()A. PortFastB. UplinkFastC. loop guardD. root guardE. BPDU guardF. BackboneFast

更多“Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）A、 PortFastB、 UplinkFastC、 loop guardD、 root guardE、 BPDU guardF、 BackboneFast”相关问题

  • 第1题：

    Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?()

    A.BackboneFast

    B.UplinkFast

    C.Root Guard

    D.BPDU Guard

    E.BPDU Filter


    参考答案：D

  • 第2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3题：

    Examine the following options，which Spanning Tree Protocol （STP） protection mechanism disables aswitch port if the port receives a Bridge Protocol Data Unit （BPDU）？（）

    • A、Uplink Fast
    • B、Port Fast
    • C、BPDU Guard
    • D、Root Guard

    正确答案:C

  • 第4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5题：

    Spanning Tree Protocol calculates path cost based on which of these？ （）

    • A、 interface bandwidth
    • B、 interface delay
    • C、 interface bandwidth and delay
    • D、 hop count
    • E、 bridge priority

    正确答案:A

  • 第6题：

    Under which two circumstances should Spanning Tree Protocol be implemented？ （）

    • A、 to ensure a loop-free topology
    • B、 to protect against user-side loops
    • C、 when a VLAN spans access layer switches
    • D、 for the most deterministic and highly available network topology
    • E、 because of the risk of lost connectivity without Spanning Tree Protocol

    正确答案:B,C

  • 第7题：

    In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions？（）

    • A、loop guard
    • B、storm control
    • C、storm suppression
    • D、broadcast suppression
    • E、BPDU guard

    正确答案:B,D

  • 第8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9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： B
    解析： 暂无解析

  • 第10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： F,C
    解析： 暂无解析

  • 第11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12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： A
    解析： 暂无解析

  • 第13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14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15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

  • 第16题：

    Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?（）

    • A、BackboneFast
    • B、UplinkFast
    • C、Root Guard
    • D、BPDU Guard
    • E、BPDU Filter

    正确答案:D

  • 第17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18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19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20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21题：

    单选题
    Spanning Tree Protocol calculates path cost based on which of these？（）
    A

    interface bandwidth

    B

    interface delay

    C

    interface bandwidth and delay

    D

    hop count

    E

    bridge priority


    正确答案： D
    解析： 暂无解析

  • 第22题：

    多选题
    Under which two circumstances should Spanning Tree Protocol be implemented？ （）
    A

    to ensure a loop-free topology

    B

    to protect against user-side loops

    C

    when a VLAN spans access layer switches

    D

    for the most deterministic and highly available network topology

    E

    because of the risk of lost connectivity without Spanning Tree Protocol


    正确答案： A,C
    解析： 暂无解析

  • 第23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： B,A
    解析： 暂无解析

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