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Welcome to the Data Link Layer MCQs Page

Dive deep into the fascinating world of Data Link Layer with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Link Layer, a crucial aspect of Networking. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Link Layer, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Networking.

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Check out the MCQs below to embark on an enriching journey through Data Link Layer. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Networking.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Link Layer. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Link Layer MCQs | Page 12 of 32

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Q111.
An STS-1 frame is made of ________ rows.

a.

1

b.

9

c.

90

d.

none of the above

Discuss
Answer: (b).9
Q112.
An STS-1 frame is made ______columns.

a.

1

b.

9

c.

90

d.

none of the above

Discuss
Answer: (c).90
Q113.
An STS-3 frame is made of ______ rows.

a.

1

b.

9

c.

27

d.

none of the above

Discuss
Answer: (b).9
Q114.
An STS-3 frame is made of ________ columns.

a.

9

b.

90

c.

270

d.

none of the above

Discuss
Answer: (c).270
Q115.
SONET network topologies can be __________.

a.

linear

b.

ring

c.

mesh

d.

all of the above

Discuss
Answer: (d).all of the above
Q116.
A linear SONET network can be __________.

a.

point-to-point

b.

multipoint

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).either (a) or (b)
Q117.
A ring SONET network can be _________.

a.

unidirectional

b.

bidirectional

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).either (a) or (b)
Q118.
To make SONET backward-compatible with the current hierarchy, its frame design includes a system of.

a.

OCs

b.

STMs

c.

STSs

d.

VTs

Discuss
Answer: (d).VTs
Q119.
A ________ is a repeater.

a.

regenerator

b.

ADM

c.

STS multiplexer/demultiplexer

d.

none of the above

Discuss
Answer: (a).regenerator
Q120.
__________ allow insertion and extraction of signals.

a.

regenerators

b.

ADMs

c.

STS multiplexer/demultiplexers

d.

none of the above

Discuss
Answer: (b).ADMs
Page 12 of 32

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