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MCQ

Q.

In ATM, the ______ layer provides routing, traffic management, switching, and multiplexing services

A

physical

B

ATM

C

AAL

D

none of the above

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MCQ

1.

In Selective Repeat ARQ, if 5 is the number of bits for the sequence number, then the maximum size of the receive window must be _____

A

15

B

16

C

31

D

1

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MCQ

2.

__________ uses four twisted pairs.

A

1000Base-SX

B

1000Base-LX

C

1000Base-T

D

none of the above

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3.

LEO satellites are normally below an altitude of ________ km.

A

1000

B

2000

C

3000

D

none of the above

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4.

In ______, each station is allocated a band to send its data. In other words, each band is reserved for a specific station, and it belongs to the station all the time.

A

FDMA

B

TDMA

C

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D

none of the above

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5.

In the _________Protocol, if no acknowledgment for a frame has arrived, we resend all outstanding frames.

A

Stop-and-Wait ARQ

B

Go-Back-N ARQ

C

Selective-Repeat ARQ

D

none of the above

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