Practice Quiz in Network Security Part 2

(Last Updated On: December 21, 2017)

Practice Quiz in Network Security

This is the Online Practice Quiz in Network Security part 2 from the book, Data Communications and Networking 4th Edition by Behrouz A. Forouzan. If you are looking for a reviewer in Electronics Systems and Technologies (Communications Engineering) this will definitely help you test your knowledge and skill before taking the Board Exam.

Continue Part II of the Online Practice Quiz

Quiz in Network Security

Question 11. A(n) _____ is a trusted third party that assigns a symmetric key to two parties.

A. KDC

B. CA

C. KDD

D. None of these


Question 12. ________ means to prove the identity of the entity that tries to access the system's resources.

A. Message authentication

B. Entity authentication

C. Message confidentiality

D. None of these


Question 13. A(n) ________function creates a message digest out of a message.

A. encryption

B. decryption

C. hash

D. None of these


Question 14. A ________ signature is included in the document; a _______ signature is a separate entity.

A. conventional; digital

B. digital; digital

C. either (a) or (b)

D. neither (a) nor (b)


Question 15. The _______criterion ensures that we cannot find two messages that hash to the same digest.

A. one-wayness

B. weak-collision-resistance

C. strong-collision-resistance

D. None of these


Question 16. A digital signature needs a(n)_________ system.

A. symmetric-key

B. asymmetric-key

C. either (a) or (b)

D. neither (a) nor (b)


Question 17. A _______ message digest is used as an MDC.

A. keyless

B. keyed

C. either (a) or (b)

D. neither (a) nor (b)


Question 18. A hash function must meet ________ criteria.

A. two

B. three

C. four

D. None of these


Question 19. To authenticate the data origin, one needs a(n) _______.

A. MDC

B. MAC

C. either (a) or (b)

D. neither (a) nor (b)


Question 20. A(n) ________is a federal or state organization that binds a public key to an entity and issues a certificate.

A. KDC

B. Kerberos

C. CA

D. None of these

More Practice Quiz in Network Security

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Complete Practice Quiz in Data Communications and Networking

Note: After taking this particular quiz, you can proceed to check all the topics.


Practice Quiz in Network Security Part 2
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