____ is the replacement of a letter or group of letters with another letter or group of letters.
A)Substitution
B)Diffusion
C)Exchange
D)Transposition

Name: ____ is the replacement of a letter or group of letters with another letter or group of letters. A)Substitution B)Diffusion C)Exchange D)Transposition
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Question

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Substitution involves replacing a letter or group of letters with another letter or group of letters, often used in encryption and coding techniques.

____ Is the Replacement of a Letter or Group of Letters