單項選擇題

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.

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多項選擇題

Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? （）

A.802.1d
B.VTP
C.802.1q
D.STP
E.SAP

單項選擇題

A router receives information about network 192.168.10.0/24 from multiple sources.What will the routerconsider the most reliable information about the path to that network？（）

A.an OSPF update for network 192.168.0.0/16
B.a static router to network 192.168.10.0/24
C.a static router to network 192.168.10.0/24 with a local serial interface configured as the next hop
D.a RIP update for network 192.168.10.0/24
E.a directly connected interface with an address of 192.168.10.254/24
F.a default route with a next hop address of 192.168.10.1

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

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Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? （）

A router receives information about network 192.168.10.0/24 from multiple sources.What will the routerconsider the most reliable information about the path to that network？（）

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