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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 8 of 24

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Q71.
While there is (are) only _____ way(s) to send parallel data, there is (are) three subclass(es) of serial transmission.
Discuss
Answer: (c).one; three
Q72.
In ______ transmission, we send 1 start bit (0) at the beginning and 1 or more stop bits (1s) at the end of each byte.
Discuss
Answer: (b).asynchronous
Q73.
In _________ transmission, we send bits one after another without start or stop bits or gaps. It is the responsibility of the receiver to group the bits.
Discuss
Answer: (a).synchronous
Q74.
The ________ mode provides synchronization for the entire stream of bits must. In other words, it guarantees that the data arrive at a fixed rate.
Discuss
Answer: (c).isochronous
Q75.
A _________ digital signal includes timing information in the data being transmitted.
Discuss
Answer: (a).self-synchronizing
Q76.
In decoding a digital signal, the receiver calculates a running average of the received signal power, called the _______.
Discuss
Answer: (a).baseline
Q77.
The ________ rate defines the number of data elements sent in 1s; the ______ rate is the number of signal elements sent in 1s.
Discuss
Answer: (a).data; signal
Q78.
The signal rate is sometimes called the ____ rate.
Discuss
Answer: (a).baud
Q79.
The data rate is sometimes called the ___ rate.
Discuss
Answer: (b).bit
Q80.
In a _____ scheme, all the signal levels are on one side of the time axis, either above or below.
Discuss
Answer: (c).unipolar

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