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Q.

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

1.

. In Go-Back-N ARQ, if 5 is the number of bits for the sequence number, then the maximum size of the send window must be _____

A

15

B

16

C

31

D

1

Discussion

MCQ

2.

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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3.

The vulnerable time for CSMA is the ________propagation time.

A

the same as

B

two times

C

three times

D

none of the above

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4.

_______ satellites provide time and location information for vehicles and ships.

A

GPS

B

Iridium

C

Teledesic

D

none of the above

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5.

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

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