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Welcome to the Physical Layer MCQs Page

Dive deep into the fascinating world of Physical Layer with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Physical Layer, a crucial aspect of Networking. In this section, you will encounter a diverse range of MCQs that cover various aspects of Physical 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 Physical 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 Physical Layer. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Physical Layer MCQs | Page 13 of 24

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Q121.
How many carrier frequencies are used in BPSK?

a.

2

b.

1

c.

0

d.

none of the above

Discuss
Answer: (b).1
Q122.
How many carrier frequencies are used in QPSK?

a.

2

b.

1

c.

0

d.

none of the above

Discuss
Answer: (a).2
Q123.
The constellation diagram of BASK has ______ dots.

a.

2

b.

1

c.

0

d.

none of the above

Discuss
Answer: (a).2
Q124.
The constellation diagram of BPSK has ______ dots.

a.

2

b.

1

c.

0

d.

none of the above

Discuss
Answer: (a).2
Q125.
The constellation diagram of QPSK has ______ dots.

a.

2

b.

1

c.

4

d.

none of the above

Discuss
Answer: (c).4
Q126.
The constellation diagram of 16-QAM has ______ dots.

a.

4

b.

16

c.

8

d.

none of the above

Discuss
Answer: (b).16
Q127.
The Federal Communications Commission (FCC) allows ______kHz for each AM station.

a.

5

b.

10

c.

20

d.

none of the above

Discuss
Answer: (b).10
Q128.
The Federal Communications Commission (FCC) allows ______ kHz for each FM station.

a.

20

b.

100

c.

200

d.

none of the above

Discuss
Answer: (b).100
Q129.
Which of the following layer decide the transmission rate in a Network?

a.

Physical layer

b.

Data link layer

c.

Network layer

d.

Transport layer

Discuss
Answer: (a).Physical layer
Q130.
What is the main function of DSLAM?

a.

Convert analog signal into digital signal

b.

Covert digital signal into analog

c.

Used in router to detect the loss packets

d.

None of the above

Discuss
Answer: (a).Convert analog signal into digital signal
Page 13 of 24

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