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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 20 of 24

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Q191.
Digital signals are represented in

a.

Sine Waves

b.

Levels

c.

Stages

d.

None of the above

Discuss
Answer: (b).Levels
Q192.
In data communications, the non periodic signals

a.

Sine wave

b.

Digital Signals

c.

Analog Signals

d.

None of the above

Discuss
Answer: (d).None of the above
Q193.
The term that refers to loss of strength of a signal is called

a.

attenuation

b.

distortion

c.

Noise

d.

Impairments

Discuss
Answer: (a).attenuation
Q194.
The value of the decibel is positive, if signal is

a.

Attenuated

b.

Distorted

c.

Noisy

d.

Amplified

Discuss
Answer: (d).Amplified
Q195.
The completion of one full pattern is called a

a.

period

b.

Cycle

c.

Frame

d.

Segment

Discuss
Answer: (b).Cycle
Q196.
The term that describes the position of the waveform relative to time 0 is

a.

Wavelength

b.

Period

c.

Frequency

d.

Phase

Discuss
Answer: (d).Phase
Q197.
Bit Rate is the number of bits sent in

a.

1sec

b.

2sec

c.

10sec

d.

100sec

Discuss
Answer: (a).1sec
Q198.
In baseband transmission, the required bit rate is proportional to the

a.

Wavelength

b.

frequency

c.

Period

d.

Bandwidth

Discuss
Answer: (d).Bandwidth
Q199.
Change over a long span of time means

a.

High Frequency

b.

Low Frequency

c.

High Phase

d.

Low phase

Discuss
Answer: (b).Low Frequency
Q200.
The term that refers to infinite no of values in the range is

a.

Peak

b.

Analog Signal

c.

Digital Signal

d.

None of the above

Discuss
Answer: (b).Analog Signal
Page 20 of 24

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