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MCQ

Q.

. ______ is an analog cellular phone system using FDMA.

A

AMPS

B

D-AMPS

C

GSM

D

none of the above

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MCQ

1.

In the ________method, a station that has a frame to send senses the line. If the line is idle, it sends immediately. If the line is not idle, it waits a random amount of time and then senses the line again.

A

nonpersistent

B

1-persistent

C

p-persistent

D

none of the above

Discussion

MCQ

2.

In a(n) ______ configuration, the initializing is done manually, with migrations done automatically.

A

manual

B

automatic

C

semiautomatic

D

none of the above

Discussion

MCQ

3.

To avoid collisions on wireless networks, ________was invented.

A

CSMA/CA

B

CSMA/CD

C

either (a) or (b)

D

both (a) and (b)

Discussion

MCQ

4.

A ________ operates in both the physical and the data link layer.

A

passive hub

B

repeater

C

bridge

D

router

Discussion

MCQ

5.

In the _________ method, after the station finds the line idle, it sends its frame immediately. If the line is not idle, it continuously senses the line until it finds it idle.

A

nonpersistent

B

1-persistent

C

p-persistent

D

none of the above

Discussion

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