What is a cipher that replaces one letter for another, possibly retaining the letter frequency of the original message?

IT Questions BankCategory: Network Security 1.0What is a cipher that replaces one letter for another, possibly retaining the letter frequency of the original message?

What is a cipher that replaces one letter for another, possibly retaining the letter frequency of the original message?

  • brute-force
  • cryptanalysis
  • nonrepudiation
  • substitution
  • transposition
  • Vigenère

Explanation: A substitution cipher replaces one letter for another, possibly retaining the letter frequency in the cleartext language.

Exam with this question: Network Security 1.0 – 15.4.4 Check Your Understanding: Cryptology Terminology


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