What are three valid reasons to assign ports on VLANs on a switch?()A. to make VTP easier to implementB. to isolate broadcast trafficC. to increase the size of the collision domainD. to allow more devices to connect to the networkE. to logically group hos

题目
What are three valid reasons to assign ports on VLANs on a switch?()

A. to make VTP easier to implement

B. to isolate broadcast traffic

C. to increase the size of the collision domain

D. to allow more devices to connect to the network

E. to logically group hosts according to function

F. to increase network security


相似考题
更多“What are three valid reasons to assign ports on VLANs on a switch?() ”相关问题
  • 第1题:

    Which two statements about voice VLANs are correct?()

    • A、Voice VLANs eliminate the need for QoS configuration
    • B、Voice VLANs are used on trunk links to eliminate the need for QoS CoS markings
    • C、Voice VLANs are mainly used to reduce the number of access switch ports that are used in the network
    • D、Voice VLANs can be configured to forward existing CoS priorities or override them
    • E、Voice VLANs are mainly used between access layer switches and distribution layer switches
    • F、Voice VLANs can be configured on Layer 2 ports only

    正确答案:D,F

  • 第2题:

    You are assigning VLANs to the ports of switch R1. What VLAN number value is an assigned tothe default VLAN?()

    • A、VLAN 1003
    • B、VLAN 1
    • C、VLAN ON
    • D、VLAN A
    • E、VLAN 0

    正确答案:B

  • 第3题:

    Which two statements are true about voice VLANs?()

    • A、Voice VLANs are only used when connecting an IP phone and a host to distinct switch ports
    • B、Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phones
    • C、Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phone
    • D、Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration command
    • E、Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the port
    • F、Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings

    正确答案:C,D

  • 第4题:

    Which three statements are typical characteristics of VLAN arrangements?()

    • A、A new switch has no VLANs configured.
    • B、Connectivity between VLANs requires a Layer 3 device.
    • C、VLANs typically decrease the number of collision domains.
    • D、Each VLAN uses a separate address space.
    • E、A switch maintains a separate bridging table for each VLAN.
    • F、VLANs cannot span multiple switches.

    正确答案:B,D,E

  • 第5题:

    What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?()

    • A、All switch and bridge ports are in the forwarding state.
    • B、All switch and bridge ports are in the stand-by state.
    • C、All switch and bridge ports are assigned as either root or designated ports.
    • D、All switch and bridge ports are in either the forwarding or blocking state.
    • E、All switch and bridge are either blocking or looping.

    正确答案:D

  • 第6题:

    The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network?()

    • A、Lower the bridge priority number.
    • B、Change the MAC address of the switch.
    • C、Increase the VTP revision number for the domain.
    • D、Lower the root path cost on the switch ports.
    • E、Assign the switch an IP address with the lowest value.

    正确答案:A

  • 第7题:

    What is the purpose of the cisco Vlan Trunking protocol?()

    • A、to provide a mechanism to dynamically assign vlan membership to switch ports
    • B、to allow traffic to be carried from multiple vlans over a single link between switches
    • C、to allow native vlan information to be carried over a trunk link
    • D、to provide a mechanism to manually assign vlan membership to switch ports
    • E、to allow for managing the additions,deletions,and changes of vlans between switchs

    正确答案:E

  • 第8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
    The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network?()
    A

     Lower the bridge priority number.

    B

     Change the MAC address of the switch.

    C

     Increase the VTP revision number for the domain.

    D

     Lower the root path cost on the switch ports.

    E

     Assign the switch an IP address with the lowest value.


    正确答案: E
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements are true about voice VLANs?()
    A

    Voice VLANs are only used when connecting an IP phone and a host to distinct switch ports

    B

    Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phones

    C

    Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phone

    D

    Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration command

    E

    Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the port

    F

    Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings


    正确答案: B,A
    解析: 暂无解析

  • 第12题:

    多选题
    Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)()
    A

    transparent

    B

    auto

    C

    on

    D

    desirable

    E

    blocking

    F

    forwarding


    正确答案: D,E
    解析: 暂无解析

  • 第13题:

    What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?()

    • A、IGMP
    • B、IGMP snooping
    • C、PIM
    • D、CGMP
    • E、static assignment
    • F、CDP

    正确答案:B,D,E

  • 第14题:

    A switch that is to be added to the production network has been preconfigured (trunks, VLANs, VTP, and STP) and was tested in your lab. After installing the switch into the network, the entire network went down.  What might explain what happened? ()

    • A、The new switch happened to be running Cisco Catalyst operating system, while the other network switches were running Cisco IOS Software.
    • B、The configuration revision of the new switch was higher than the configuration revision of the production VTP domain.
    • C、The link costs on the new switch are set to a high value, causing all ports on the new switch to go into a forwarding mode and none into blocking mode, thereby causing a spanning-tree loop.
    • D、The ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.

    正确答案:B

  • 第15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,C,E

  • 第16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17题:

    Given the output of the Floor3 switch, what statement describes the operation of this switch()。

    • A、VTP is disabled on this switch.
    • B、The switch can create, change, and delete VLANs.
    • C、The switch learns VLAN information but does not save it to NVRAM.
    • D、The switch can create VLANs locally but will not forward this information to other switches.
    • E、The switch learns VLAN information and updates the local VLAN data base in NVRAM.

    正确答案:C

  • 第18题:

    What are three valid reasons to assign ports to VLANs on a switch? ()

    • A、to make VTP easier to implement
    • B、to isolate broadcast traffic
    • C、to increase the size of the collision domain
    • D、to allow more devices to connect to the network
    • E、to logically group hosts according to function
    • F、to increase network security

    正确答案:B,E,F

  • 第19题:

    单选题
    You are assigning VLANs to the ports of switch R1. What VLAN number value is an assigned tothe default VLAN?()
    A

    VLAN 1003

    B

    VLAN 1

    C

    VLAN ON

    D

    VLAN A

    E

    VLAN 0


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    A switch that is to be added to the production network has been preconfigured (trunks, VLANs, VTP, and STP) and was tested in your lab. After installing the switch into the network, the entire network went down.  What might explain what happened? ()
    A

    The new switch happened to be running Cisco Catalyst operating system, while the other network switches were running Cisco IOS Software.

    B

    The configuration revision of the new switch was higher than the configuration revision of the production VTP domain.

    C

    The link costs on the new switch are set to a high value, causing all ports on the new switch to go into a forwarding mode and none into blocking mode, thereby causing a spanning-tree loop.

    D

    The ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.


    正确答案: A
    解析: 暂无解析

  • 第21题:

    多选题
    What are three valid reasons to assign ports to VLANs on a switch?()
    A

    to make VTP easier to implement

    B

    to isolate broadcast traffic

    C

    to increase the size of the collision domain

    D

    to allow more devices to connect to the network

    E

    to logically group hosts according to function

    F

    to increase network security


    正确答案: E,D
    解析: 暂无解析

  • 第22题:

    多选题
    What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?()
    A

    IGMP

    B

    IGMP snooping

    C

    PIM

    D

    CGMP

    E

    static assignment

    F

    CDP


    正确答案: F,C
    解析: 暂无解析

  • 第23题:

    单选题
    What is the purpose of the cisco Vlan Trunking protocol?()
    A

    to provide a mechanism to dynamically assign vlan membership to switch ports

    B

    to allow traffic to be carried from multiple vlans over a single link between switches

    C

    to allow native vlan information to be carried over a trunk link

    D

    to provide a mechanism to manually assign vlan membership to switch ports

    E

    to allow for managing the additions,deletions,and changes of vlans between switchs


    正确答案: A
    解析: 暂无解析