What dose a Layer 2 switch use to decide where to forward a received frame?()A.source MAC addressB.source IP addressC.source switch portD.destination IP addressE.destination port addressF.destination MAC address

题目
What dose a Layer 2 switch use to decide where to forward a received frame?()

A.source MAC address

B.source IP address

C.source switch port

D.destination IP address

E.destination port address

F.destination MAC address

相似考题

1.What are two characteristics of "store and forward" switching? (Select two answer choices)A．Latency fluctuates regardless of frame. size.B．The switch receives the complete frame. before beginning to forward it.C．Latency through the switch varies with frame. length.D．The switch checks the destination address upon receipt of headers.

2.What information is used by a switch to forward an Ethernet frame to its destination?()A. IP addressB. destination MAC addressC. ARP table entryD. FCS checksum

3.What does a Layer 2 switch use to decide where to forward a received frame?()A. source MAC addressB. source IP addressC. source switch portD. destination IP addressE. destination port addressF. destination MAC address

4.A Ezonexam Ethernet switch receives a unicast frame. with a destination MAC that is listed in the switch table. What will this switch do with the frame?A. The switch will forward the frame. to a specific portB. The switch will forward the frame. to all ports except the port on which it was receivedC. The switch will return a copy of the frame. out the source portD. The switch will not forward unicast framesE. The switch will remove the destination MAC from the switch tableF. None of the above.

参考答案和解析
参考答案：F
更多“What dose a Layer 2 switch use to decide where to forward a received frame?() ”相关问题

  • 第1题：

    Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?()

    A.trunk mode mismatches

    B.vlans that do not correspond to a unique IP subnet

    C.native vlan mismatches

    D.allowing only vlan 2 on the destination.


    参考答案：C

  • 第2题：

    What is the best description of serialization delay？ （）

    • A、the time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interface
    • B、the time it takes for a propagate from source to destination
    • C、the time it takes to place a frame on the physical medium for transport
    • D、the time a packet resides in the outbound queue of a router

    正确答案:C

  • 第3题：

    What dose a Layer 2 switch use to decide where to forward a received frame?（）

    • A、source MAC address
    • B、source IP address
    • C、source switch port
    • D、destination IP address
    • E、destination port address
    • F、destination MAC address

    正确答案:F

  • 第4题：

    If a switch is working in the fail-open mode， what will happen when the switch’s CAM table fills to capacityand a new frame arrives？（）

    • A、A copy of the frame is forwarded out all switch ports other than the port the frame was received on.
    • B、The frame is transmitted on the native VLAN.
    • C、The switch sends a NACK segment to the frame’s source MAC address.
    • D、The frame is dropped.

    正确答案:A

  • 第5题：

    What does a Layer 2 switch use to decide where to forward a received frame?（）

    • A、source MAC address
    • B、source IP address
    • C、source switch port
    • D、destination IP address
    • E、destination port address
    • F、destination MAC address

    正确答案:F

  • 第6题：

    Refer to the exhibit A frame on vlan 1on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）

    • A、trunk mode mismatches
    • B、vlans that do not correspond to a unique IP subnet
    • C、native vlan mismatches
    • D、allowing only vlan 2 on the destination.

    正确答案:C

  • 第7题：

    Why will as witch never learn a broadcast address？（）

    • A、Broadcast frames are never sent to swiches.
    • B、Broadcast addresses use an incorrect format for the switching table.
    • C、A broadcast address will never be the source address of a frame.
    • D、Broadcasts only use network layer addressing.
    • E、A broadcast frame is never forwarded by a switch.

    正确答案:C

  • 第8题：

    单选题
    Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）
    A

    trunk mode mismatches

    B

    vlans that do not correspond to a unique IP subnet

    C

    native vlan mismatches

    D

    allowing only vlan 2 on the destination.


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    What does a Layer 2 switch use to decide where to forward a received frame?（）
    A

    source MAC address

    B

    source IP address

    C

    source switch port

    D

    destination IP address

    E

    destination port address

    F

    destination MAC address


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    If a switch is working in the fail-open mode， what will happen when the switch’s CAM table fills to capacityand a new frame arrives？（）
    A

    A copy of the frame is forwarded out all switch ports other than the port the frame was received on.

    B

    The frame is transmitted on the native VLAN.

    C

    The switch sends a NACK segment to the frame’s source MAC address.

    D

    The frame is dropped.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    多选题
    Which of the following are true regarding bridges and switches?（）
    A

    Bridges are faster than switches because they have fewer ports.

    B

    A switch is a multiport bridge.

    C

    Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.

    D

    A bridge will forward a broadcast but a switch will not.

    E

    Bridges and switches increase the size of a collision domain.


    正确答案： E,B
    解析： 暂无解析

  • 第12题：

    多选题
    What are two characteristics of "store and forward" switching?（）
    A

    Latency fluctuates regardless of frame size.

    B

    The switch receives the complete frame before beginning to forward it.

    C

    Latency through the switch varies with frame length.

    D

    The switch checks the destination address upon receipt of headers.


    正确答案： D,C
    解析： 暂无解析

  • 第13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14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15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16题：

    Why will a switch never learn a broadcast address?（）

    • A、Broadcasts only use network layer addressing.
    • B、A broadcast frame is never forwarded by a switch.
    • C、A broadcast address will never be the source address of a frame.
    • D、Broadcast addresses use an incorrect format for the switching table.
    • E、Broadcast frames are never sent to switches.

    正确答案:C

  • 第17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18题：

    For what two purposes does the Ethernet protocol use physical addresses？（）

    • A、to uniquely identify devices at Layer 2
    • B、to allow communication with devices on a different network
    • C、to differentiate a Layer 2 frame from a Layer 3 packet
    • D、to establish a priority system to determine which device gets to transmit first
    • E、to allow communication between different devices on the same network
    • F、to allow detection of a remote device when its physical address is unknown

    正确答案:A,E

  • 第19题：

    What are two characteristics of "store and forward" switching?（）

    • A、Latency fluctuates regardless of frame size.
    • B、The switch receives the complete frame before beginning to forward it.
    • C、Latency through the switch varies with frame length.
    • D、The switch checks the destination address upon receipt of headers.

    正确答案:B,C

  • 第20题：

    单选题
    What information is used by a switch to forward an Ethernet frame to its destination?（）
    A

    IP address

    B

    destination MAC address

    C

    ARP table entry

    D

    FCS checksum


    正确答案： A
    解析： 暂无解析

  • 第21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 dose a Layer 2 switch use to decide where to forward a received frame?（）
    A

    source MAC address

    B

    source IP address

    C

    source switch port

    D

    destination IP address

    E

    destination port address

    F

    destination MAC address


    正确答案： C
    解析： 暂无解析

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