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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
参考答案
更多 “ 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 ” 相关考题
考题
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.
考题
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.
考题
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
考题
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
考题
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 mismatchesB.vlans that do not correspond to a unique IP subnetC.native vlan mismatchesD.allowing only vlan 2 on the destination.
考题
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.
考题
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
考题
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.
考题
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.
考题
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
考题
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.
考题
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 mismatchesB、vlans that do not correspond to a unique IP subnetC、native vlan mismatchesD、allowing only vlan 2 on the destination.
考题
For what two purposes does the Ethernet protocol use physical addresses？（）A、to uniquely identify devices at Layer 2B、to allow communication with devices on a different networkC、to differentiate a Layer 2 frame from a Layer 3 packetD、to establish a priority system to determine which device gets to transmit firstE、to allow communication between different devices on the same networkF、to allow detection of a remote device when its physical address is unknown
考题
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.
考题
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.
考题
What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?（）A、The frame is dropped.B、The frame is addressed with a broadcast MAC address and sent out all ports.C、The frame is sent out all ports except the receiving port.D、An ARP request is sent out all ports except the receiving port.E、A destination unreachable message is sent back to the source address.F、None of the above.
考题
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 mismatchesB
vlans that do not correspond to a unique IP subnetC
native vlan mismatchesD
allowing only vlan 2 on the destination.
考题
单选题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
考题
单选题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
考题
多选题For what two purposes does the Ethernet protocol use physical addresses？（）Ato uniquely identify devices at Layer 2Bto allow communication with devices on a different networkCto differentiate a Layer 2 frame from a Layer 3 packetDto establish a priority system to determine which device gets to transmit firstEto allow communication between different devices on the same networkFto allow detection of a remote device when its physical address is unknown
考题
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.
考题
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.
考题
单选题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
考题
多选题What are two characteristics of "store and forward" switching?（）ALatency fluctuates regardless of frame size.BThe switch receives the complete frame before beginning to forward it.CLatency through the switch varies with frame length.DThe switch checks the destination address upon receipt of headers.
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