题目内容

The ability to determine whether a frame should be forwarded to some interface or should just be dropped is ( ).

A. filtering
B. forwarding
C. self-learning
D. optimal routing

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Which device has the same collision domain? ( )

A. Hub
B. Switch
C. Router
D. Bridge

When two or more nodes on the LAN segments transmit at the same time, there will be a collision and all of the transmitting nodes well enter exponential back-off, that is all of the LAN segments belong to the same( ).

A. collision domain
B. switch
C. bridge
D. hub

( )allows different nodes to transmit simultaneously and yet have their respective receivers correctly receive a sender’s encoded data bits.

A. CDMA
B. CSMA
CSMA/CD
D. CSMA/CA

The device ( ) can isolate collision domains for each of the LAN segment.

A. modem
B. switch
C. hub
D. NIC

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