These ciphers replace a character or characters with a different character or characters, based on some key.(a) Polyalphabetic substitution based(b) Transposition-based(c) Substitution based(d) Mono alphabetic substitution basedI have been asked this question in unit test.My question is from Cryptography topic in division Information Technology of Computer Fundamentals

These ciphers replace a character or characters with a different chara

1.	These ciphers replace a character or characters with a different character or characters, based on some key.(a) Polyalphabetic substitution based(b) Transposition-based(c) Substitution based(d) Mono alphabetic substitution basedI have been asked this question in unit test.My question is from Cryptography topic in division Information Technology of Computer Fundamentals
Answer» The correct CHOICE is (d) MONO alphabetic SUBSTITUTION based The BEST I can explain: In mono alphabetic substitution-based cipher, a character is replaced with some other character or multiple CHARACTERS, based on some key.

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