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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.

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Message Authentication Codes and Key Management MCQs | Page 10 of 11

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Q91.
Extensions were added in which version?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q92.
The subject unique identifier of the X.509 certificates was added in which version?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q93.
Which of the following is not an element/field of the X.509 certificates?
Discuss
Answer: (b).Serial Modifier
Q94.
Suppose that A has obtained a certificate from certification authority X1 and B has obtained certificate authority from CA X2. A can use a chain of certificates to obtain B’s public key. In notation of X.509, this chain is represented in the correct order as –
Discuss
Answer: (c).X1 X2 X2 B
Q95.
Certificates generated by X that are the certificates of other CAs are Reverse Certificates.
Discuss
Answer: (a).True
Discuss
Answer: (d).all of the mentioned
Discuss
Answer: (c).Certificate Revocation List
Discuss
Answer: (d).All of the mentioned constitute the Extension
Q99.
The criticality indicator indicates whether an extension can be safely ignored.
Discuss
Answer: (a).True
Q100.
β€œConveys any desired X.500 directory attribute values for the subject of this certificate.”
Which Extension among the following does this refer to?
Discuss
Answer: (c).Subject directory attributes

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