The replacement of one alphabet character with another from more than one alphabets is known as
A) polyalphabetic substitution
B) transposition cipher
C) Caesar cipher
D) monoaphabetic substitution

Question

Quizplus · Accepted Answer

Polyalphabetic substitution involves using more than one alphabet for substitution, unlike monoalphabetic substitution which uses only one. Transposition cipher involves rearranging the positions of the characters rather than substituting them. Caesar cipher is a type of monoalphabetic substitution, where each letter in the plaintext is shifted by a fixed number of positions in the alphabet.

The Replacement of One Alphabet Character with Another from More