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Welcome to the Encryption Techniques MCQs Page

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

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Check out the MCQs below to embark on an enriching journey through Encryption Techniques. 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 Encryption Techniques. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Encryption Techniques MCQs | Page 1 of 7

Q1.
In brute force attack, on average half of all possible keys must be tried to achieve success.
Discuss
Answer: (a).True
Q2.
If the sender and receiver use different keys, the system is referred to as conventional cipher system.
Discuss
Answer: (b).False
Q3.
Divide (HAPPY)26 by (SAD)26. We get quotient –
Discuss
Answer: (a).KD
Q4.
Dividing (11001001) by (100111) gives remainder –
Discuss
Answer: (d).110
Q5.
pi in terms of base 26 is
Discuss
Answer: (c).D.DRS
Q6.
The time required to convert a k-bit integer to its representation in the base 10 in terms of big-O notation is
Discuss
Answer: (a).O(log2 n)
Q7.
In base 26, multiplication of YES by NO gives –
Discuss
Answer: (c).MPJNS
Q8.
Division of (131B6C3) base 16 by (lA2F) base 16 yeilds –
Discuss
Answer: (d).9AD
Q9.
An encryption scheme is unconditionally secure if the ciphertext generated does not contain enough information to determine uniquely the corresponding plaintext, no matter how much cipher text is available.
Discuss
Answer: (a).True
Q10.
The estimated computations required to crack a password of 6 characters from the 26 letter alphabet is-
Discuss
Answer: (a).308915776
Page 1 of 7

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