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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 19 of 24

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Q181.
Analog data refers to information that is

a.

Discrete state

b.

Continuous state

c.

Randomly arranged

d.

None of Above

Discuss
Answer: (b).Continuous state
Q182.
We send a voice signal from a microphone to a recorder, the transmission is

a.

Base band transmission

b.

Broad band transmission

c.

both a and b

d.

None of Above

Discuss
Answer: (a).Base band transmission
Q183.
The unit that is used to express the state of a signal is

a.

Kilograms

b.

Seconds

c.

Decibel

d.

Hertz

Discuss
Answer: (c).Decibel
Q184.
The data rate depends upon

a.

Bandwidth

b.

Level of signals

c.

Level of noise

d.

All of the above

Discuss
Answer: (d).All of the above
Q185.
Bit rate is measured in

a.

Bits per Hertz

b.

Bits Per Second

c.

Nano seconds

d.

Pixels per second

Discuss
Answer: (b).Bits Per Second
Q186.
Periodic analog signals can be classified as

a.

Simple analog signal

b.

Composite analog signal

c.

Multiple Sine waves

d.

All of the of Above

Discuss
Answer: (d).All of the of Above
Q187.
Digital data refers to the information that is

a.

Continuous

b.

Discrete

c.

Bits

d.

Bytes

Discuss
Answer: (b).Discrete
Q188.
Conversion of digital signal to analog signal is

a.

Modulation

b.

Demodulation

c.

Encapsulation

d.

Bypass

Discuss
Answer: (a).Modulation
Q189.
A sine wave is defined by

a.

amplitude

b.

frequency

c.

Phase

d.

All of the above

Discuss
Answer: (d).All of the above
Q190.
A digital signal is a composite analog signal with

a.

finite bandwidth

b.

Infinite bandwidth

c.

zero bandwidth

d.

None of the above

Discuss
Answer: (b).Infinite bandwidth
Page 19 of 24

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