212-81 Exam Dumps | What best describes the shifting of each letter a fixed number of spaces to the left or right?

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EC-COUNCIL.212-81.v2022-10-26.q74
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Question 29/74

What best describes the shifting of each letter a fixed number of spaces to the left or right?

A. Single substitution

B. Multi substitution

C. XOR

D. Bit shifting

Correct Answer: A

Single substitution
https://en.wikipedia.org/wiki/Substitution_cipher#Simple_substitution
Substitution of single letters separately-simple substitution-can be demonstrated by writing out the alphabet in some order to represent the substitution. This is termed a substitution alphabet. The cipher alphabet may be shifted or reversed (creating the Caesar and Atbash ciphers, respectively) or scrambled in a more complex fashion, in which case it is called a mixed alphabet or deranged alphabet.

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