Question 1

A measure of the uncertainty associated with a random variable.

Options :

A : Whitening

B : Collision

C : Entropy

D : Diffusion

Answer: C

Question 2

Juanita has been assigned the task of selecting email encryption for the staff of the insurance company she works for. The various employees often use diverse email clients. Which of the following methods is available as an add-in for most email clients?

Options :

A : PGP

B : Caesar cipher

C : DES

D : RSA

Answer: A

Question 3

How can rainbow tables be defeated?

Options :

A : Use of non-dictionary words

B : Lockout accounts under brute force password cracking attempts

C : All uppercase character passwords

D : Password salting

Answer: D

Question 4

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 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