A.The port is experiencing errors
B.The port is administratively disabled
C.The port is blocked by spanning tree
D.The port has an active link with normal traffic activity
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A.X.25
B.幀中繼
C.dialer
D.同/異步串口
A.Filtering can occur based on Layer 3 information.
B.Broadcasts are eliminated.
C.Routers generally cost less than switches.
D.Broadcasts are not forwarded across the router.
E.Adding a router to the network decreases latency.
A.數(shù)據(jù)加密
B.數(shù)據(jù)壓縮
C.密碼控制
D.數(shù)據(jù)格式轉(zhuǎn)換
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.
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