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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
参考答案
更多 “ 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 ” 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 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
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 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 interfaceB、the time it takes for a propagate from source to destinationC、the time it takes to place a frame on the physical medium for transportD、the time a packet resides in the outbound queue of a router
考题
What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?（）A、IGMPB、IGMP snoopingC、PIMD、CGMPE、static assignmentF、CDP
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
f a Cisco switch is configured with VTPv1 in transparent mode， what is done with received VTP advertisements？（）A、They are discardedB、The contents are altered to reflect the switch’s own VTP database and then they are forward out all trunking portsC、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.
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
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
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
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?（）AIGMPBIGMP snoopingCPIMDCGMPEstatic assignmentFCDP
考题
多选题Which of the following are true regarding bridges and switches?（）ABridges are faster than switches because they have fewer ports.BA switch is a multiport bridge.CBridges and switches learn MAC addresses by examining the source MAC address of each frame received.DA bridge will forward a broadcast but a switch will not.EBridges and switches increase the size of a collision domain.
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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