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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 6 of 24

Q51.
_______ encoding has a transition at the beginning of each 0 bit.
Discuss
Answer: (c).Differential Manchester
Q52.
PCM is an example of _______ conversion.
Discuss
Answer: (d).analog-to-digital
Q53.
If the frequency spectrum of a signal has a bandwidth of 500 Hz with the highest frequency at 600 Hz, what should be the sampling rate, according to the Nyquist theorem?
Discuss
Answer: (d).1200 samples/s
Discuss
Answer: (d).twice the highest frequency of a signal
Q55.
Which of the following encoding methods does not provide for synchronization?
Discuss
Answer: (a).NRZ-L
Q56.
Which encoding method uses alternating positive and negative values for 1s?
Discuss
Answer: (d).AMI
Q57.
Which quantization level results in a more faithful reproduction of the signal?
Discuss
Answer: (d).32
Q58.
Block coding can help in _______ at the receiver.
Discuss
Answer: (d).both (a) and (b)
Q59.
In _______ transmission, a start bit and a stop bit frame a character byte.
Discuss
Answer: (a).asynchronous serial
Q60.
In asynchronous transmission, the gap time between bytes is _______.
Discuss
Answer: (b).variable
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