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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 1 of 24

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Q1.
The physical layer is concerned with the movement of _______ over the physical medium.

a.

programs

b.

dialogs

c.

protocols

d.

bits

Discuss
Answer: (d).bits
Q2.
The _______ is the physical path over which a message travels.

a.

Protocol

b.

Medium

c.

Signal

d.

All the above

Discuss
Answer: (b).Medium
Q3.
Before data can be transmitted, they must be transformed to ________.

a.

periodic signals

b.

electromagnetic signals

c.

aperiodic signals

d.

low-frequency sine waves

Discuss
Answer: (b).electromagnetic signals
Q4.
A periodic signal completes one cycle in 0.001 s. What is the frequency?

a.

1 Hz

b.

100 Hz

c.

1 KHz

d.

1 MHz

Discuss
Answer: (c).1 KHz
Q5.
The physical layer concerns with

a.

bit-by-bit delivery

b.

process to process delivery

c.

application to application delivery

d.

none of the above

Discuss
Answer: (a).bit-by-bit delivery
Q6.
The physical layer translates logical communication requests from the ______ into hardware specific operations.

a.

data link layer

b.

network layer

c.

trasnport layer

d.

application layer

Discuss
Answer: (a).data link layer
Q7.
The term ......... describes the position of the waveform relative to time 0.

a.

Frequency

b.

Phase

c.

Phase Shift

d.

Time period

Discuss
Answer: (b).Phase
Q8.
In a frequency-domain plot, the horizontal axis measures the ________.

a.

peak amplitude

b.

frequency

c.

phase

d.

slope

Discuss
Answer: (b).frequency
Q9.
In a time-domain plot, the horizontal axis is a measure of ________.

a.

signal amplitude

b.

frequency

c.

phase

d.

time

Discuss
Answer: (d).time
Q10.
If the bandwidth of a signal is 5 KHz and the lowest frequency is 52 KHz, what is the highest frequency?

a.

5 KHz

b.

10 KHz

c.

47 KHz

d.

57 KHz

Discuss
Answer: (d).57 KHz
Page 1 of 24

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