Multiple choice

In ____________________ substitution, a character in the plain text is always changed to the same character in the cipher text, regardless of its position in the text.

  1. polyalphabetic

  2. monoalphabetic

  3. transposition

  4. rotation

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option. In monoalphabetic cipher, a character of symbol in the plaintext is always changed to the same character. For example, if character A is changed to character D, every occurrence of character A should always be changed with character D.

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