Question 1

Juanita is attempting to hide some text into a jpeg file. Hiding messages inside another medium is referred to as which one of the following?

Options :

A : Cryptology

B : Steganography

C : Cryptography

D : Steganalysis

Answer: B

Question 2

Which of the following algorithms uses three different keys to encrypt the plain text?

Options :

A : 3DES

B : Skipjack

C : Blowfish

D : AES

Answer: A

Question 3

Symmetric algorithm. Designed by James Massey and Xuejia Lai. Operates on 64 bit blocks and has a 128 bit key. Consists of 8 identical transformations each round and an output transformation.

Options :

A : IDEA

B : RSA

C : CAST

D : DES

Answer: A

Question 4

Algorithm that was chosen for the Data Encryption Standard, which was altered and renamed Data Encryption Algorithm.

Options :

A : Blowfish

B : Rijndael

C : El Gamal

D : Lucifer

Answer: D

Question 5

A _________ is a digital representation of information that identifies you as a relevant entity by a trusted third party.

Options :

A : Ownership stamp

B : Digest

C : Hash

D : Digital Signature

Answer: D

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