What does a hash function do to a password before it is stored?

Answer and explanation

Correct answer: C. Converts it into a fixed-length value that is hard to reverse

  1. Step 1: Hashes are one-way functions, so they protect the original passwords.
Answer
Converts it into a fixed-length value that is hard to reverse.
Why not the others: Encrypts it so it can be read back later, Stores it in plain text and Compresses it do not fit.

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