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Q.

A _______ can check the MAC addresses contained in the frame.

A

passive hub

B

repeater

C

bridge

D

router

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MCQ

1.

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

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2.

IEEE 802.11a, has a data rate of _____Mbps

A

1

B

2

C

6

D

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3.

In ______, the stations use different codes to achieve multiple access.

A

FDMA

B

TDMA

C

CDMA

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none of the above

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4.

_______ control refers to a set of procedures used to restrict the amount of data that the sender can send before waiting for acknowledgment

A

Flow

B

Error

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Transmission

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none of the above

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5.

________ is a second-generation cellular phone system based on CDMA and DSSS.

A

GSM

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D-AMPS

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IS-95

D

none of the above

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