问答题Refer to the output shown on switch SW1 below：  Warning： Spantree port fast start should only be enabled on ports connected to a single host.Connecting hubs， concentrators， switches， bridges， etc. to a fast start port can cause temporaryspanning tree l

题目
问答题
Refer to the output shown on switch SW1 below：  Warning： Spantree port fast start should only be enabled on ports connected to a single host.Connecting hubs， concentrators， switches， bridges， etc. to a fast start port can cause temporaryspanning tree loops. Use with caution. Spantree ports 4/1-24 fast start enabled.  What command could you enter to reproduce this output？
相似考题

1.While troubleshooting a serial line problem, you enable ppp authentication debugging as shown below:Based on the command output above, what type of ‘handshake‘ was used for PPP authentication?()A. one-wayB. two-wayC. three-wayD. four-wayE. no handshakes required during authenticationF. None of the above

2.Refer to the exhibit.If the devices produced the given output,what is the cause of the EtherChannel problem?()A.There is a speed mismatch between SW1‘s Fa0/1 and SW2‘s Fa0/1 interfaces.B.There is an MTU mismatch between SW1‘s Fa0/1 and SW2‘s Fa0/1 interfaces.C.There is an encapsulation mismatch between SW1‘s Fa0/1 and SW2‘s Fa0/1 interface.D.SW1‘s Fa0/1 interface is administratively shut down.

3.Refer to the exhibit. Switch port FastEthernet 0/24 on AlSwitch1 will be used to create an IEEE 802.1Q- complaint trunk to another switch. Based on the output shown, What is the reason the trunk does not form, even thought the proper cabling has been attached?（）A.VLANs have not been created yetB.An IP address must be configured for the portC.The port is currently configured for access modeD.The correct encapsulation type has not been configuredE.The no shutdown command has not been entered for the port

4.Refer to the output. What IOS command produces this output?()A. show i p ospfB. show ip ospf interfaceC. show ipv6 ospf interfaceD. show ipv6 ospf

参考答案和解析
正确答案： set spantree portfast 4/1-24 enable。
解析： 暂无解析
更多“Refer to the output shown on switch SW1 below：  Warning： Spa”相关问题

  • 第1题：

    Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?()

    A.data link layer

    B.application layer

    C.access layer

    D.session layer

    E.network layer


    参考答案：E

  • 第2题：

    Refer to the topology shown in the exhibit. Which ports will be STP designated ports if all the links are operating at the same bandwidth? ()

    A.Switch A - Fa0/0

    B.Switch A - Fa0/1

    C.Switch B - Fa0/0

    D.Switch B - Fa0/1

    E.Switch C - Fa0/0

    F.Switch C - Fa0/1


    参考答案：B, C, D

  • 第3题：

    Refer to the exibit. Three cisco 2950 switches are set to their default priority sttings.During the spanningtree process,which switch will be elected as the root bridge?()

    A.Switch3

    B.Switch4

    C.Switch2

    D.Switch1


    参考答案：D

  • 第4题：

    What operation on relations R and S produces the relation shown below?

    A．Union

    B．Difference

    C．Intersection

    D．Division


    正确答案：A

  • 第5题：

    Refer to the output shown on switch SW1 below：  Warning： Spantree port fast start should only be enabled on ports connected to a single host.Connecting hubs， concentrators， switches， bridges， etc. to a fast start port can cause temporaryspanning tree loops. Use with caution. Spantree ports 4/1-24 fast start enabled.  What command could you enter to reproduce this output？


    正确答案:set spantree portfast 4/1-24 enable。

  • 第6题：

    Refer to the exibit. Three cisco 2950 switches are set to their default priority sttings.During the spanningtree process,which switch will be elected as the root bridge?（）

    • A、Switch3
    • B、Switch4
    • C、Switch2
    • D、Switch1

    正确答案:D

  • 第7题：

    A Company switch was configured as shown below：  switchport mode access  switchport port-security   switchport port-security maximum 2 switchport port-security mac-address 0002.0002.0002   switchport port-security violation shutdown   Given the configuration output shown above，  what happens when a host with the MAC address of  0003.0003.0003 is directly connected to the switch port？ （）

    • A、 The host will be allowed to connect.
    • B、 The port will shut down.
    • C、 The host can only connect through a hub/switch where 0002.0002.0002 is already connected.  
    • D、 The host will be refused access.
    • E、 None of the other alternatives apply

    正确答案:A

  • 第8题：

    单选题
    Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?（）
    A

    data link layer

    B

    application layer

    C

    access layer

    D

    session layer

    E

    network layer


    正确答案： E
    解析： 暂无解析

  • 第9题：

    单选题
    A Host connected to an NPV switch is not able to see the storage connected to the core switch. Given the output of the show command below， what is the reason of this issue？（） switch# show npv status  npiv is enabled  External Interfaces：   ===============  InterfacE. fc1/1， VSAN： 1， FCID. 0x000000， StatE. Other   Number of External Interfaces： 4
    A

     NPV is not enabled on the core switch？

    B

     The interface connected to the Core switch is in admin down state

    C

     The local host interface belongs to the wrong VSAN？

    D

     The local host interface is not able to login


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    A Company switch was configured as shown below：  switchport mode access  switchport port-security   switchport port-security maximum 2 switchport port-security mac-address 0002.0002.0002   switchport port-security violation shutdown   Given the configuration output shown above，  what happens when a host with the MAC address of  0003.0003.0003 is directly connected to the switch port？ （）
    A

     The host will be allowed to connect.

    B

     The port will shut down.

    C

     The host can only connect through a hub/switch where 0002.0002.0002 is already connected.  

    D

     The host will be refused access.

    E

     None of the other alternatives apply


    正确答案： A
    解析： 暂无解析

  • 第11题：

    多选题
    Router R1 is configured as shown below: router eigrp 100 network 10.0.0.0 eigrp stub Based on the information shown above, which two types of routes will be advertised？（）
    A

    Receive - only

    B

    Stub

    C

    Static

    D

    Summary

    E

    Connected

    F

    Dynamic


    正确答案： B,A
    解析： 暂无解析

  • 第12题：

    问答题
    Refer to the output shown on switch SW1 below：  VLAN 1 bridge priority set to 8192. VLAN 1 bridge max aging time set to 20.VLAN 1 bridge hello time set to 2. VLAN 1 bridge forward delay set to 15. Switch is now the root switch for active VLAN 1.  What command would you enter to reproduce this output？

    正确答案： set spantree root 1
    解析： 暂无解析

  • 第13题：

    Refer to the exhibit. What switch proves the spanning－tree designated port role for the network segment that services the printers?()

    A.Switch1

    B.Switch2

    C.Switch3

    D.Switch4


    参考答案：C

  • 第14题：

    Refer to the exhibit. Given the output shown from this Cisco Catalyst 2950, what is the most likely reason that interface FastEthernet 0／10 is not the root port for VLAN 2?()

    A.This switch has more than one interface connected to the root network segment in VLAN 2.

    B.This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

    C.This switch interface has a higher path cost to the root bridge than another in the topology.

    D.This switch has a lower bridge ID for VLAN 2 than the elected designated switch.


    参考答案：C

  • 第15题：

    Refer to the diagram. Which three statements describe the router port configuration and the switch port configuration as shown in the topology? ()

    A.The Router1 WAN port is configured as a trunking port.

    B.The Router1 port connected to Switch1 is configured using subinterfaces.

    C.The Router1 port connected to Switch1 is configured as 10 Mbps.

    D.The Switch1 port connected to Router1 is configured as a trunking port.

    E.The Switch1 port connected to Host B is configured as an access port.

    F.The Switch1 port connected to Hub1 is configured as full duplex.


    参考答案：B, D, E

  • 第16题：

    What is the purpose of the command shown below?vtp password Fl0r1da（）

    • A、It is used to validate the sources of VTP advertisements sent between switches.
    • B、It is used to access the VTP server to make changes to the VTP configuration.
    • C、It allows two VTP servers to exist in the same domain, each configured with different passwords.
    • D、It is the password required when promoting a switch from VTP client mode to VTP server mode.
    • E、It is used to prevent a switch newly added to the network from sending incorrect VLAN information to the other switches in the domain.

    正确答案:A

  • 第17题：

    Refer to the exhibit. The output that is shown is generated at a switch. Which three of these statements are true? （）

    • A、All ports will be in a state of discarding, learning, or forwarding.
    • B、Thirty VLANs have been configured on this switch.
    • C、The bridge priority is lower than the default value for spanning tree.
    • D、All interfaces that are shown are on shared media.
    • E、All designated ports are in a forwarding state.
    • F、The switch must be the root bridge for all VLANs on this switch.

    正确答案:A,C,E

  • 第18题：

    A Host connected to an NPV switch is not able to see the storage connected to the core switch. Given the output of the show command below， what is the reason of this issue？（） switch# show npv status  npiv is enabled  External Interfaces：   ===============  InterfacE. fc1/1， VSAN： 1， FCID. 0x000000， StatE. Other   Number of External Interfaces： 4 

    • A、 NPV is not enabled on the core switch？
    • B、 The interface connected to the Core switch is in admin down state
    • C、 The local host interface belongs to the wrong VSAN？
    • D、 The local host interface is not able to login

    正确答案:B

  • 第19题：

    Refer to the output shown on switch SW1 below：  VLAN 1 bridge priority set to 8192. VLAN 1 bridge max aging time set to 20.VLAN 1 bridge hello time set to 2. VLAN 1 bridge forward delay set to 15. Switch is now the root switch for active VLAN 1.  What command would you enter to reproduce this output？


    正确答案:set spantree root 1

  • 第20题：

    单选题
    Refer to the exhibit.All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?（）
    A

    The access link needs to be configured in multiple VLANs.

    B

    The link between the switches is configured in the wrong VLAN.

    C

    The link between the switches needs to be configured as a trunk.

    D

    VTP is not configured to carry VLAN information between the switches.

    E

    Switch IP addresses must be configured in order for traffic to be forwarded between the switches


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean （）.
    A

    lower low water

    B

    high water

    C

    low water

    D

    sea level


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Refer to the exhibit. What switch proves the spanning-tree designated port role for the network segment that services the printers?（）
    A

    Switch1

    B

    Switch2

    C

    Switch3

    D

    Switch4


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Switch SW1 has been configured with Private VLANs. With that type of PVLAN port should thedefault gateway be configured？（）
    A

    Trunk

    B

    Isolated

    C

    Primary

    D

    Community

    E

    Promiscuous

    F

    None of the other alternatives apply


    正确答案： C
    解析： 暂无解析

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