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Welcome to the Spread Spectrum Techniques MCQs Page

Dive deep into the fascinating world of Spread Spectrum Techniques with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Spread Spectrum Techniques, a crucial aspect of Digital Communication. In this section, you will encounter a diverse range of MCQs that cover various aspects of Spread Spectrum Techniques, 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 Digital Communication.

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Check out the MCQs below to embark on an enriching journey through Spread Spectrum Techniques. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Digital Communication.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Spread Spectrum Techniques. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Spread Spectrum Techniques MCQs | Page 8 of 13

Q71.
When the key size is finite, equivocation approaches
Discuss
Answer: (b).Zero
Discuss
Answer: (b).When unique solution is not available
Q73.
Which are called as substitution encryption techniques?
Discuss
Answer: (c).Caesar & Trithemius cipher
Q74.
In substitution technique encryption protection is more.
Discuss
Answer: (b).False
Q75.
The standard building block uses _______ of a key to transform 64-bit input into 64-bit output.
Discuss
Answer: (b).48 bit
Q76.
The 64 bit block input key has _____ number of parity bits.

a.

4

b.

6

c.

8

d.

16

Discuss
Answer: (c).8
Discuss
Answer: (d).All of the mentioned
Discuss
Answer: (b).Infinite number of messages
Q79.
The segment of the key-stream of plaintext is obtained by _____ of two sequences together.
Discuss
Answer: (d).Modulo 2 addition
Q80.
In which method the key-stream is generated independently of the message?
Discuss
Answer: (a).Synchronous encryption method

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