更多“What are the possible trunking modes for a switch port?() ”相关问题
  • 第1题:

    What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table()。

    A.The switch will not forward unicast frames.

    B.The switch will forward the frame to a specific port.

    C.The switch will return a copy of the frame out the source port.

    D.The switch will remove the destination MAC from the switch table.

    E.The switch will forward the frame to all ports except the port on which it was received.


    参考答案:B

  • 第2题:

    f a Cisco switch is configured with VTPv1 in transparent mode, what is done with received VTP advertisements?()

    • A、They are discarded
    • B、The contents are altered to reflect the switch’s own VTP database and then they are forward out  all trunking ports
    • C、The changes within the advertisements are made to the switch’s VTP database.
    • D、The contents are ignored and they are forwarded out all trunking ports.

    正确答案:A

  • 第3题:

    A new Company switch was just configured using the "switchport trunk native vlan 7" command.   What does this interface command accomplish?()

    • A、 Causes the interface to apply ISL framing for traffic on VLAN 7
    • B、 Configures the trunking interface to forward traffic from VLAN 7
    • C、 Configures the interface to be a trunking port and causes traffic on VLAN 7 to be 802.1q tagged
    • D、 Configures the trunking interface to send traffic from VLAN 7 untagged
    • E、 None of the other alternatives apply

    正确答案:D

  • 第4题:

    You work as a network Technician. A new workstation has consistently been unable to obtain anIP address from the DHCP server when the workstation boots. Older workstations function normally, and the new workstation obtains an address when manually forced to renew its address.  What should be configured on the switch to allow the workstation to obtain an IP address at boot?()

    • A、UplinkFast on the switch port connected to the server
    • B、BackboneFast on the switch port connected to the server
    • C、PortFast on the switch port connected to the workstation
    • D、trunking on the switch

    正确答案:C

  • 第5题:

    You have just created a new VLAN on your network.  What is one step that you should include in your VLAN-based implementation and verification plan? ()

    • A、Verify that trunked links are configured to allow the VLAN traffic.
    • B、Verify that the switch is configured to allow for trunking on the switch ports.
    • C、Verify that each switch port has the correct IP address space assigned to it for the new VLAN.
    • D、Verify that different native VLANs exist between two switches for security purposes.

    正确答案:A

  • 第6题:

    Which command alone will disable trunking on a Layer 2 switch port?()

    • A、no switchport trunk native vlan vlan-id
    • B、switchport nonegotiate
    • C、no switchport mode dynamic desirable
    • D、switchport mode access

    正确答案:D

  • 第7题:

    When a switch port is used as a VLAN trunk, which of the following trunk modes are valid?()

    • A、Blocking
    • B、Auto
    • C、Desirable
    • D、On
    • E、Transparent
    • F、Learning

    正确答案:B,C,D

  • 第8题:

    Which are valid modes for a switch port used as a VLAN trunk? ()

    • A、transparent
    • B、auto
    • C、on
    • D、desirable

    正确答案:B,C,D

  • 第9题:

    单选题
    A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?()
    A

    The switch port link lights will be off on both switches indicating the ports are not connected.

    B

    The switch port link light will be off on one switch indicating that STP has disabled the port.

    C

    The switch port link lights will flash amber indicating an error.

    D

    The switch port link lights will be green indicating normal operation.


    正确答案: D
    解析: 暂无解析

  • 第10题:

    多选题
    What are the possible trunking modes for a switch port? ()
    A

    transparent

    B

    auto

    C

    on

    D

    desirable

    E

    client

    F

    forwarding


    正确答案: D,B
    解析: 暂无解析

  • 第11题:

    多选题
    The network administrator is trying to add Switch1 to the network, but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem?()
    A

    The trunking configuration mode on Switch1 is set to Off.

    B

    The trunking configuration mode on the other end is set to On.

    C

    The trunking configuration mode on the other end is set to Desirable.

    D

    Cisco Discovery Protocol is not running on the other end.

    E

    There is a VTP domain name mismatch.

    F

    Switch1 does not support 802.1Q.


    正确答案: E,F
    解析: 暂无解析

  • 第12题:

    单选题
    What is the effect of applying the switchport trunk encapsulation dot1q command to a port on a Cisco Catalyst switch?()
    A

    By default, native VLAN packets going out this port will be tagged.

    B

    Without an encapsulation command, 802.1Q will be the default encapsulation if DTP fails to negotiate a trunking protocol.

    C

    The interface will support the reception of tagged and untagged traffic.

    D

    If the device connected to this port is not 802.1Q-enabled, it will not be able to handle 802.1Q packets.


    正确答案: C
    解析: 暂无解析

  • 第13题:

    What are the possible trunking modes for a switch port? ()

    • A、transparent
    • B、auto
    • C、on
    • D、desirable
    • E、client
    • F、forwarding

    正确答案:B,C,D

  • 第14题:

    A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?()

    • A、The switch port link lights will be off on both switches indicating the ports are not connected.
    • B、The switch port link light will be off on one switch indicating that STP has disabled the port.
    • C、The switch port link lights will flash amber indicating an error.
    • D、The switch port link lights will be green indicating normal operation.

    正确答案:D

  • 第15题:

    What is the effect of applying the switchport trunk encapsulation dot1q command to a port on a Cisco Catalyst switch?()

    • A、By default, native VLAN packets going out this port will be tagged.
    • B、Without an encapsulation command, 802.1Q will be the default encapsulation if DTP fails to negotiate a trunking protocol.
    • C、The interface will support the reception of tagged and untagged traffic.
    • D、If the device connected to this port is not 802.1Q-enabled, it will not be able to handle 802.1Q packets.

    正确答案:C

  • 第16题:

    What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table?()

    • A、The switch will not forward unicast frames.
    • B、The switch will forward the frame to a specific port.
    • C、The switch will return a copy of the frame out the source port.
    • D、The switch will remove the destination MAC from the switch table.
    • E、The switch will forward the frame to all ports except the port on which it was received.

    正确答案:B

  • 第17题:

    The network administrator is trying to add Switch1 to the network, but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem? ()

    • A、The trunking configuration mode on Switch1 is set to Off.
    • B、The trunking configuration mode on the other end is set to On.
    • C、The trunking configuration mode on the other end is set to Desirable.
    • D、Cisco Discovery Protocol is not running on the other end.
    • E、There is a VTP domain name mismatch.
    • F、Switch1 does not support 802.1Q.

    正确答案:B,C,E

  • 第18题:

    Which are valid modes for a switch port used as a VLAN trunk?()

    • A、transparent
    • B、auto
    • C、on
    • D、desirable
    • E、blocking
    • F、forwarding

    正确答案:B,C,D

  • 第19题:

    When configuring port security on a Cisco Catalyst switch port, what is the default action taken by the switch if a violation occurs? ()

    • A、protect (drop packets with unknown source addresses)
    • B、restrict (increment SecurityViolation counter)
    • C、shut down (access or trunk port)
    • D、transition (the access port to a trunking port)

    正确答案:C

  • 第20题:

    单选题
    A new Company switch was just configured using the "switchport trunk native vlan 7" command.   What does this interface command accomplish?()
    A

     Causes the interface to apply ISL framing for traffic on VLAN 7

    B

     Configures the trunking interface to forward traffic from VLAN 7

    C

     Configures the interface to be a trunking port and causes traffic on VLAN 7 to be 802.1q tagged

    D

     Configures the trunking interface to send traffic from VLAN 7 untagged

    E

     None of the other alternatives apply


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    f a Cisco switch is configured with VTPv1 in transparent mode, what is done with received VTP advertisements?()
    A

    They are discarded

    B

    The contents are altered to reflect the switch’s own VTP database and then they are forward out  all trunking ports

    C

    The changes within the advertisements are made to the switch’s VTP database.

    D

    The contents are ignored and they are forwarded out all trunking ports.


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table()。
    A

    The switch will not forward unicast frames.

    B

    The switch will forward the frame to a specific port.

    C

    The switch will return a copy of the frame out the source port.

    D

    The switch will remove the destination MAC from the switch table.

    E

    The switch will forward the frame to all ports except the port on which it was received.


    正确答案: E
    解析: 暂无解析

  • 第23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