Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning－tree instance of vlan 1?()A. the switch with the lowest MAC addressB. the switch with the hige

题目
Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning－tree instance of vlan 1?()

A. the switch with the lowest MAC address

B. the switch with the higest MAC address

C. the switch witch the higest IP address

D. the switch with the lowest IP address

相似考题

1.Refer to the network of Layer 3 switches in the exhibit. The RPI Multi cast Server only multicasts to hosts connected to multilayer switches 5 and 6. The CMU Multicast Server multicasts to hosts on multilayer switches 1 - 6. Given the number of configuration steps involved, what is the most efficient way to configure the net work while meeting the requirements for multicast data flow? （）A. Configure each switch with PIM sparse mode and a separate instance of PIM dense mode.Specify switch 1 as the root for the RPI Multicast Server. Specify switch 2 as the root for the CMU Multicast Server.B. Configure each switch with PIM sparse mode and a separate instance of PIM dense mode. Leave each multicast server as the root of its own multicast tree.C. Configure each switch with PIM sparse - dense mode. Configure switch 3 as a ren dezvous point for the RPI multicast stream.D. Configure each switch with PIM sparse mode and a separate instance of PIM dense mode.Allow the switches to elect their own root for each multicast tree.E. Configure each switch with PIM sparse mode.F. Configure each switch with PIM dense mode.

2.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.

3.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.Switch3B.Switch4C.Switch2D.Switch1

4.Refer to the exhibit. Why has this switch not been elected the root bridge for VLAN1?()A.It has more than one interface that is connected to the root network segment.B.It is running RSTP while the elected root bridge is running 802.1d spanning tree.C.It has a higher MAC address than the elected root bridge.D.It has a higher bridge ID than the elected root bridge.

参考答案和解析
参考答案：A
更多“Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning－tree instance of vlan 1?() ”相关问题

  • 第1题：

    In the Cisco FabricPath domain， one switch becomes the root for the multidestination tree. Cisco FabricPath switches compare which three parameters to select the root？ （）

    • A、 Root priority
    • B、 System ID
    • C、 Bridge ID
    • D、 Switch ID
    • E、 Port ID
    • F、 Subswitch ID

    正确答案:A,B,D

  • 第2题：

    Which interface commands would you enter on a Catalyst 2900 switch, if your goal was to bring all VLAN traffic to another directly connected switch?（）

    • A、Switch(config-if)# vlan all
    • B、Switch(config-if)# switchport trunk encapsulation dot1q
    • C、Switch(config-if)# switchport access vlan all
    • D、Switch(config-if)# switchport mode trunk
    • E、Switch(config-if)# switchport access vlan 303

    正确答案:C,D

  • 第3题：

    An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location？ （）

    • A、The switch must be configured with an IP address,subnet mask,and default gateway.
    • B、The switch must be connected to a router over a VLAN trunk.
    • C、The switch must be reachable through a port connected to its management VLAN.
    • D、The switch console port must be connected to the Ethernet LAN.
    • E、The switch management VLAN must be created and have a membership of at least one switch port.
    • F、The switch must be fully configured as an SNMP agent.

    正确答案:A,C

  • 第4题：

    A network administrator needs to force a high-performance switch that is located in the MDF to become the root bridge for a redundant path switched network. What can be done to ensure that this switch assumes the role as root bridge（）。

    • A、Establish a direct link from the switch to all other switches in the network.
    • B、Assign the switch a higher MAC address than the other switches in the network have.
    • C、Configure the switch so that it has a lower priority than other switches in the network.
    • D、Configure the switch for full-duplex operation and configure the other switches for half-duplex operation.
    • E、Connect the switch directly to the MDF router, which will force the switch to assume the role of root bridge.

    正确答案:C

  • 第5题：

    Which statement is correct about RSTP port roles？（）

    • A、The designated port is the switch port on every nonroot bridge that is the chosen path to theroot bridge. There can be only one designated port on every switch. The designated portassumes the forwarding state in a stable active topology. All switches connected to a given segment listen to all BPDUs and determine the switch that will be the root switch for a particular segment.
    • B、The disabled port is an additional switch port on the designated switch with a redundant link to the segment for which the switch is designated. A disabled port has a higher port ID than the disabled port on the designated switch. The disabled port assumes the discarding state in astable active topology.
    • C、The backup port is a switch port that offers an alternate path toward the root bridge. The backup port assumes a discarding state in a stable， active topology. The backup port will be present on nondesignated switches and will make a transition to a designated port if the current designated path fails.
    • D、The root port is the switch port on every nonroot bridge that is the chosen path to the root bridge. There can be only one root port on every switch. The root port assumes the forwarding state in a stable active topology.

    正确答案:D

  • 第6题：

    A new switch is installed in the Testking network. This switch is to be configured sothat VLAN information will be automatically distributed to all the other Cisco Catalyst switches in the network. Which of the conditions below have to be met in order for this to occur?（）

    • A、The switch that will share the VLAN information must be in the VTP Server mode.
    • B、The switches must be in the same VTP domain.
    • C、The switch that will share the VLAN information must be configured as the root bridge.
    • D、The switches must be configured to use the same VTP version.
    • E、The switches must be configured to use the same STP version.
    • F、The switches must be configured to use the same type of ID tagging.
    • G、The switches must be connected over VLAN trunks.

    正确答案:A,B,F

  • 第7题：

    four switches， which one will be root switch.（no pic）.


    正确答案:lowest bridge ID

  • 第8题：

    单选题
    Which statement is correct about RSTP port roles？（）
    A

    The designated port is the switch port on every nonroot bridge that is the chosen path to theroot bridge. There can be only one designated port on every switch. The designated portassumes the forwarding state in a stable active topology. All switches connected to a given segment listen to all BPDUs and determine the switch that will be the root switch for a particular segment.

    B

    The disabled port is an additional switch port on the designated switch with a redundant link to the segment for which the switch is designated. A disabled port has a higher port ID than the disabled port on the designated switch. The disabled port assumes the discarding state in astable active topology.

    C

    The backup port is a switch port that offers an alternate path toward the root bridge. The backup port assumes a discarding state in a stable， active topology. The backup port will be present on nondesignated switches and will make a transition to a designated port if the current designated path fails.

    D

    The root port is the switch port on every nonroot bridge that is the chosen path to the root bridge. There can be only one root port on every switch. The root port assumes the forwarding state in a stable active topology.


    正确答案： B
    解析： 暂无解析

  • 第9题：

    多选题
    The DAI feature has been implemented in the Company switched LAN.  Which three statements  are true about the dynamic ARP inspection （DAI） feature？ （）
    A

    DAI can be performed on ingress ports only.

    B

    DAI can be performed on both ingress and egress ports.

    C

    DAI is supported on access ports， trunk ports， EtherChannel ports， and private VLAN ports.

    D

    DAI should be enabled on the root switch for particular VLANs only in order to secure the ARP  caches of hosts in the domain.

    E

    DAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.

    F

    DAI is supported on access and trunk ports only.


    正确答案： A,D
    解析： 暂无解析

  • 第10题：

    单选题
    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： C
    解析： 暂无解析

  • 第11题：

    多选题
    Two Company switches are connected via a trunk using VTP. Which VTP information does a  Catalyst switch advertise on its trunk ports when using VTP？（）
    A

    STP root status

    B

    VTP mode

    C

    Negotiation status

    D

    Management domain

    E

    Configuration revision number


    正确答案： A,C
    解析： 暂无解析

  • 第12题：

    问答题
    four switches， which one will be root switch.（no pic）.

    正确答案： lowest bridge ID
    解析： 暂无解析

  • 第13题：

    In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?（）

    • A、Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.
    • B、A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.
    • C、A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.
    • D、A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.

    正确答案:B

  • 第14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15题：

    An administrator is configuring a Catalyst switch with VLAN information that must be automatically distributed to other Catalyst switches in the network. What conditions must be met in order for the VLANs configured on this switch to be automatically configured on the other switches?（）

    • A、The switch that will share its VLAN configuration must be in VTP server mode.
    • B、The switches must be in the same VTP domain.
    • C、The switch that will share the VLAN information must be configured as the root bridge.
    • D、The switches must be connected over VLAN trunks.
    • E、The switches must be configured to use the same STP version.
    • F、The switches must have VTP pruning activated.

    正确答案:A,B,D

  • 第16题：

    An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? （）

    • A、The switch must be configured with an IP address, subnet mask, and default gateway.
    • B、The switch must be connected to a router over a VLAN trunk.
    • C、The switch must be reachable through a port connected to its management VLAN.
    • D、The switch console port must be connected to the Ethernet LAN.
    • E、The switch management VLAN must be created and have a membership of at least one switch

    正确答案:A,C

  • 第17题：

    Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）

    • A、the switch with the lowest MAC address
    • B、the switch with the higest MAC address
    • C、the switch witch the higest IP address
    • D、the switch with the lowest IP address

    正确答案:A

  • 第18题：

    Two Company switches are connected via a trunk using VTP. Which VTP information does a  Catalyst switch advertise on its trunk ports when using VTP？（）

    • A、STP root status
    • B、VTP mode
    • C、Negotiation status
    • D、Management domain
    • E、Configuration revision number

    正确答案:D,E

  • 第19题：

    多选题
    An administrator is configuring a Catalyst switch with VLAN information that must be automatically distributed to other Catalyst switches in the network. What conditions must be met in order for the VLANs configured on this switch to be automatically configured on the other switches?（）
    A

    The switch that will share its VLAN configuration must be in VTP server mode.

    B

    The switches must be in the same VTP domain.

    C

    The switch that will share the VLAN information must be configured as the root bridge.

    D

    The switches must be connected over VLAN trunks.

    E

    The switches must be configured to use the same STP version.

    F

    The switches must have VTP pruning activated.


    正确答案： A,B,D
    解析： 暂无解析

  • 第20题：

    单选题
    Which statement describes a spanning-tree network that has converged?（）
    A

    All switch and bridge ports are in the forwarding state.

    B

    All switch and bridge ports are assigned as either root or designated ports.

    C

    All switch and bridge ports are in either the forwarding or blocking state.

    D

    All switch and bridge ports are either blocking or looping.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）
    A

    the switch with the lowest MAC address

    B

    the switch with the higest MAC address

    C

    the switch witch the higest IP address

    D

    the switch with the lowest IP address


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which MST configuration statement is correct？  （）
    A

     MST configurations can be propagated to other switches using VTP.

    B

     After MST is configured on a Switch， PVST+ operations will also be enabled by default.

    C

     MST configurations must be manually configured on each switch within the MST region.

    D

     MST configurations only need to be manually configured on the Root Bridge.

    E

     MST configurations are entered using the VLAN Database mode on Cisco Catalyst switches.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    多选题
    An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location？ （）
    A

    The switch must be configured with an IP address,subnet mask,and default gateway.

    B

    The switch must be connected to a router over a VLAN trunk.

    C

    The switch must be reachable through a port connected to its management VLAN.

    D

    The switch console port must be connected to the Ethernet LAN.

    E

    The switch management VLAN must be created and have a membership of at least one switch port.

    F

    The switch must be fully configured as an SNMP agent.


    正确答案： B,D
    解析： 暂无解析

  • 第24题：

    多选题
    An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? （）
    A

    The switch must be configured with an IP address, subnet mask, and default gateway.

    B

    The switch must be connected to a router over a VLAN trunk.

    C

    The switch must be reachable through a port connected to its management VLAN.

    D

    The switch console port must be connected to the Ethernet LAN.

    E

    The switch management VLAN must be created and have a membership of at least one switch


    正确答案： E,B
    解析： 暂无解析

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