Spanning Tree Protocol calculates path cost based on which of these?()A、interface bandwidthB、interface delayC、interface bandwidth and delayD、hop countE、bridge priority

题目

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

相似考题
更多“Spanning Tree Protoc”相关问题
  • 第1题:

    Catalyst 3500(Cisco.[OS系统)中配置PortFast生成树可选功能的命令格式是——。

    A.set spanning—tree portfast<mod/port>enable

    B.set spanning-tree portfast<mod/port>enable

    C.spanning—tree portfast default

    D.set spanning—tree portfast<mod/port>default


    正确答案:C
    解析:选项A)、B)、D)是Catalyst 6500(Catalyst OS系统)配置PortFast生成树可选功能的命令,故选c)。

  • 第2题:

    要在交换机上运行802.1w,可使用哪个命令来启用该协议?()

    A.Switch(config)#spanning-tree mode rapid-pvst

    B.Switch#spanning-tree mode rapid-pvst

    C.Switch(config)#spanning-tree mode 802.1w

    D.Switch#spanning-tree mode 802.1w


    答案:A

  • 第3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


    参考答案:C

  • 第4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5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6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7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8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9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10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11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12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13题:

    要在连接到服务器的端口上禁用STP,可使用下面哪个命令?()

    A.disable spanning-tree

    B.spanning-tree off

    C.spanning-tree security

    D.spanning-tree portfast


    答案:D

  • 第14题:

    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 0

    B.spanning-tree vlan 30 priority 16384

    C.spanning-tree vlan 30 root guarantee

    D.spanning-tree vlan 30 root primary


    答案:AD

  • 第15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


    参考答案:A

  • 第16题:

    图5-5是在某交换机配置过程中,在配置模式下执行(30)命令的系统输出信息。

    A.show spanning-tree

    B.show spanning-tree vlan 1

    C.show spanning-tree detail

    D.show spanning-tree summary


    正确答案:D
    解析:“show spanning-tree summary”命令用于显示生成树的总结,包括本交换机是哪些VLAN的根网桥、端口快速特性是否启用、处于生成树各个端口状态的端口数量等信息。命令show spanning-tree和命令show spanning-tree detail的系统输出信息类似,用于显示生成树的详细信息。show spanning-tree vlan1命令用于显示指定VLAN的生成树内容。

  • 第17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18题:

    MSTP的全称可能是()

    • A、Multi-Service Transmission Platforms
    • B、Multi-Service Transmission Protocol
    • C、Multi-Spanning Tree Protocol
    • D、Mutil-Spanning-tree Transparent Protocol

    正确答案:A,C

  • 第19题:

    pany uses MSTP within their switched LAN.  What is the main purpose of Multiple Instance  Spanning Tree Protocol (MSTP)?()

    • A、 To enhance Spanning Tree troubleshooting on multilayer switches
    • B、 To reduce the total number of spanning tree instances necessary for a particular topology 
    • C、 To provide faster convergence when topology changes occur in a switched network
    • D、 To provide protection for STP when a link is unidirectional and BPDUs are being sent but not  received
    • E、 None of the other alternatives apply

    正确答案:B

  • 第20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21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22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23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24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