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Q.

A _______ LAN allows several LANs to be connected.

A

backbone

B

wireless

C

wired

D

none of the above

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MCQ

1.

In ATM, _____ is for conventional packet switching (virtual-circuit approach or datagram approach).

A

AAL1

B

AAL2

C

AAL3/4

D

AAL5

Discussion

MCQ

2.

In Frame Relay, the EA field defines the number of bytes; it is _____ in the last byte of the address

B

1

C

2

D

3

Discussion

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3.

HDLC is an acronym for _______

A

High-duplex line communication

B

High-level data link control

C

Half-duplex digital link combination

D

Host double-level circuit

Discussion

MCQ

4.

In IEEE 802.11, a ___ is made of stationary or mobile wireless stations and an optional central base station, known as the access point (AP).

A

ESS

B

BSS

C

CSS

D

none of the above

Discussion

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5.

. A regenerator is a ________ device

A

one-layer

B

two-layer

C

three-layer

D

four-layer

Discussion

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