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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 21 of 24

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Q201.
The propagation speed of electromagnetic signals depends on the

a.

medium

b.

Period

c.

Phase

d.

delay

Discuss
Answer: (a).medium
Q202.
The transmission impairment that refers to a signal with high energy in a very short time is

a.

Thermal Noise

b.

Induced Noise

c.

Cross talk

d.

Impulse Noise

Discuss
Answer: (d).Impulse Noise
Q203.
Bit length can be defined in terms of

a.

high and low frequency

b.

Propagation Speed

c.

Bit duration

d.

both b and c

Discuss
Answer: (c).Bit duration
Q204.
If a noiseless channel with a bandwidth of 3000 Hz transmitting a signal with two signal levels the maximum Bit rate would be

a.

12000 bps

b.

6000 bps

c.

1800bps

d.

zero

Discuss
Answer: (b).6000 bps
Q205.
Sine wave can be represented by three parameters

a.

peak amplitude, frequency and bandwidth

b.

Frequency, phase and bandwidth

c.

Peak amplitude, frequency and Phase

d.

Peak amplitude, bandwidth, Period

Discuss
Answer: (c).Peak amplitude, frequency and Phase
Q206.
The range of frequencies a channel can pass is called bandwidth in

a.

Bits per second

b.

Hertz

c.

Kilogram

d.

Nanosecond

Discuss
Answer: (b).Hertz
Q207.
When there is heavy traffic on the network, the queuing time is

a.

fluctuate

b.

Remains same

c.

increases

d.

decreases

Discuss
Answer: (c).increases
Q208.
The time required for a bit to travel from source to destination is

a.

Latency

b.

Propagation Time

c.

Delay

d.

Transmission time

Discuss
Answer: (b).Propagation Time
Q209.
In data communications, we use periodic analog signals and

a.

Periodic digital signals

b.

Non periodic analog signals

c.

Non periodic digital signals

d.

both a and c

Discuss
Answer: (c).Non periodic digital signals
Q210.
The range of frequencies contained in a composite signal is its

a.

Wavelength

b.

Bandwidth

c.

amplitude

d.

Composite

Discuss
Answer: (b).Bandwidth
Page 21 of 24

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