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Welcome to the Advanced Encryption Algorithm MCQs Page

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

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Check out the MCQs below to embark on an enriching journey through Advanced Encryption Algorithm. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Cryptography and Network Security.

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

Advanced Encryption Algorithm MCQs | Page 3 of 6

Q21.
What is the block size in the Simplified AES algorithm?
Discuss
Answer: (b).40 bits
Q22.
What is the key size in the S-AES algorithm?
Discuss
Answer: (a).16 bits
Q23.
S-AES and S-DES were both developed by the same person as an educational cryptography system to teach students
Discuss
Answer: (a).True
Q24.
Which of the following is a faulty S-AES step function?
Discuss
Answer: (b).Byte substitution
Q25.
How many step function do Round 1 and 2 each have in S-AES?
Discuss
Answer: (a).4 and 3
Q26.
For a key 25D5 and PT input A479 what is the output we obtain after the “add round key” function?
Discuss
Answer: (b).81AC
Q27.
The inverse transformation matrix times the forward transformation matrix equals the identity matrix.
Discuss
Answer: (a).True
Q28.
Which of the following are true ?

i) In the AES key expansion algorithm, the function g() operates on w i+3
ii) Perform a one-byte right circular rotation on the argument 4-byte word
iii) The round constant follows the formula RC[j] = RC[j − 1]
Discuss
Answer: (c).i) only
Q29.
How many round keys are generated in the AES algorithm?
Discuss
Answer: (a).11
Q30.
How many modes of operation are there in in DES and AES?

a.

4

b.

3

c.

2

d.

5

Discuss
Answer: (d).5
Page 3 of 6

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