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Which of the following would BEST describe a Concealmen…

Which of the following would BEST describe a Concealment cipher?

PrepAway - Latest Free Exam Questions & Answers

A.
Permutation is used, meaning that letters are scrambled.

B.
Every X number of words within a text, is a part of the real message.

C.
Replaces bits, characters, or blocks of characters with different bits, characters or blocks.

D.
Hiding data in another message so that the very existence of the data is concealed.

Explanation:
The concealment cipher is a symmetric key, transposition cipher where the words or characters of the plaintext
message are embedded in a page of words or characters at a consistent interval.
Incorrect Answers:
A: Transposition cyphers moves the original values around.
C: The substitution cipher substitutes bits, characters, or blocks of characters with different bits, characters, or
blocks.
D: Steganography is a technique used to hide data in another media type so that the presence of the data is
masked.

Miller, David R, Microsoft CISSP Training Kit, O’Reilly Media, 2013, California, p. 156
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 774, 777


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