DATA LINK LAYER CONTROL

DATA LINK LAYER CONTROL

University

20 Qs

quiz-placeholder

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DATA LINK LAYER CONTROL

DATA LINK LAYER CONTROL

Assessment

Quiz

Computers

University

Medium

Created by

neena .....

Used 287+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In ______, the chance of collision can be reduced if a station senses the medium before trying to use it.

CSMA

MA

CDMA

FDMA

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The original ALOHA protocol is called

simple ALOHA

pure ALOHA

CSMA

FDMA

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

__________ augments the CSMA algorithm to detect collision.

CSMA/CD

CSMA/CA

either (a) or (b)

both (a) and (b)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

p-persistent

nonpersistent

1-persistent

none of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In ___________ methods, no station is superior to another station and none is assigned the control over another.

controlled access

random access

channelization

none of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

controlled access

nonpersistent

p-persistent

none of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To avoid collisions on wireless networks, ________was invented.

CSMA/CD

CSMA/CA

either (a) or (b)

both (a) and (b)

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