Question 1

Which one of the following best describes a process that splits the block of plaintext into two separate blocks, then applies the round function to one half, and finally swaps the two halves?

Options :

A : Symmetric cryptography

B : Block ciphers

C : Substitution cipher

D : Feistel cipher

Answer: D

Question 2

Which of the following is a key exchange protocol?

Options :

A : RSA

B : MQV

C : DES

D : AES

Answer: B

Question 3

Which one of the following wireless standards uses the Advanced Encryption Standard (AES) using the Counter Mode-Cipher Block Chaining (CBC)-Message Authentication Code (MAC) Protocol (CCMP)?

Options :

A : WPA

B : WPA2

C : WEP2

D : WEP

Answer: B

Question 4

Which of the following is a protocol for exchanging keys?

Options :

A : DH

B :

AES

C : RSA

D : EC

Answer: A

Question 5

The reverse process from encoding - converting the encoded message back into its plaintext format.

Options :

A : Decoding

B : Whitening

C : Encoding

D : Substitution

Answer: A

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