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Welcome to the Message Authentication Codes and Key Management MCQs Page

Dive deep into the fascinating world of Message Authentication Codes and Key Management with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Message Authentication Codes and Key Management, a crucial aspect of Cryptography and Network Security. In this section, you will encounter a diverse range of MCQs that cover various aspects of Message Authentication Codes and Key Management, 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 Message Authentication Codes and Key Management. 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 Message Authentication Codes and Key Management. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Message Authentication Codes and Key Management MCQs | Page 8 of 11

Discuss
Answer: (c).Release of connection request packet
Q72.
Larger networks would prefer a full decentralization.
Discuss
Answer: (b).False
Q73.
Which of these is not a type of session key?
Discuss
Answer: (c).Session encrypting key
Q74.
Which session key is used for electronic funds transfer and point of sale applications?
Discuss
Answer: (c).PIN-encrypting key
Discuss
Answer: (c).Three bit indicates whether the key can be used for decryption
Q76.
Hash Value = H = h(CV)
Key Input = Km XOR H
Ciphertext = E([Km XOR H],Ks)
What is CV here?
Discuss
Answer: (c).Control vector
Q77.
Which is the correct representation for session key recovery for the plain text?
Discuss
Answer: (a).D ([Km XOR H], E([Km XOR H], Ks)
Q78.
Which of the following is required to find the session key?

i) Control Vector
ii) Master Key
iii) Encrypted session Key
Discuss
Answer: (d).i) ii) and iii)
Q79.
“Meet in the middle attack” and “man in the middle attack” are the same.
Discuss
Answer: (b).False
Discuss
Answer: (c).where messages are intercepted and then either relayed or substituted with another message

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