Practice Quiz in Cryptography Part 2

(Last Updated On: December 21, 2017)

Practice Quiz in Cryptography

This is the Online Practice Quiz in Cryptography 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 Cryptography

Question 11. A(n) _______is a keyless transposition cipher with N inputs and M outputs that uses a table to define the relationship between the input stream and the output stream.

A. S-box

B. P-box

C. T-box

D. None of these


Question 12. The ________ method provides a one-time session key for two parties.

A. Diffie-Hellman

B. RSA

C. DES

D. AES


Question 13. One commonly used public-key cryptography method is the ______ algorithm.

A. RSS

B. RAS

C. RSA

D. RAA


Question 14. ________ is the science and art of transforming messages to make them secure and immune to attacks.

A. Cryptography

B. Cryptoanalysis

C. either (a) or (b)

D. neither (a) nor (b)


Question 15. The ________ cipher reorders the plaintext characters to create a ciphertext.

A. substitution

B. transposition

C. either (a) or (b)

D. neither (a) nor (b)


Question 16. In a(n) ________ cipher, the same key is used by both the sender and receiver.

A. symmetric-key

B. asymmetric-key

C. either (a) or (b)

D. neither (a) nor (b)


Question 17. A combination of an encryption algorithm and a decryption algorithm is called a ________.

A. cipher

B. secret

C. key

D. None of these


Question 18. In an asymmetric-key cipher, the receiver uses the ______ key.

A. private

B. public

C. either a or b

D. neither (a) nor (b)


Question 19. _______ is a round cipher based on the Rijndael algorithm that uses a 128-bit block of data.

A. AEE

B. AED

C. AER

D. AES


Question 20. A ________ cipher replaces one character with another character.

A. substitution

B. transposition

C. either (a) or (b)

D. neither (a) nor (b)

More Practice Quiz in Cryptography

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 Cryptography Part 2
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