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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 11 of 32

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Q101.
_______ is a standard developed by ANSI for fiber-optic networks.

a.

SONET

b.

SDH

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (a).SONET
Q102.
_______ is a standard developed by ITU-T.

a.

SONET

b.

SDH

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (b).SDH
Q103.
SONET has defined a hierarchy of signals called ________.

a.

STSs

b.

STMs

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (a).STSs
Q104.
SDH has defined a hierarchy of signals called ________.

a.

STSs

b.

STMs

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (b).STMs
Q105.
An ______ signal is the optical modulation of an STS-n (or STM-n) signal.

a.

OC-n

b.

TDM-n

c.

FDM-n

d.

none of the above

Discuss
Answer: (a).OC-n
Q106.
SONET defines _______ layers.

a.

two

b.

three

c.

four

d.

five

Discuss
Answer: (c).four
Q107.
SONET is a _______ TDM system.

a.

asynchronous

b.

synchronous

c.

statistical

d.

none of the above

Discuss
Answer: (b).synchronous
Q108.
A SONET system can use _________.

a.

STS multiplexers

b.

regenerators

c.

add/drop multiplexers

d.

all of the above

Discuss
Answer: (d).all of the above
Q109.
SONET sends ________ frames per second.

a.

1000

b.

2000

c.

4000

d.

8000

Discuss
Answer: (d).8000
Q110.
In SONET each frame lasts _______ microseconds.

a.

20

b.

64

c.

128

d.

none of the above

Discuss
Answer: (d).none of the above
Page 11 of 32

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