One method used by Cryptanalysts to crack codes is based on the fact that some letters of the English language are used more often than others. Which term is used to describe this method?

One method used by Cryptanalysts to crack codes is based on the fact that some letters of the English language are used more often than others. Which term is used to describe this method?

• cybertext
• meet-in-the-middle
• frequency analysis
• known-plaintext

Explanation: Frequency analysis uses the fact that some characters in the English alphabet are used more often than others. The letters E, T, and A are the most popular letters and J, Q, X, and Z are the least popular.

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