What do salts even do?

What is the purpose of a salt when it comes to hashing passwords? A) adding a fixed value to the hashed value B) there is no such thing as a salt in hashing passwords C) adding a random value to the plaintext input D) adding a fixed value to the plaintext input E) adding a random value to the hashed value Correct: C Explanation: Salts are a security countermeasure that mitigates the impact of precomputed hash table or rainbow table attacks by adding a random value (more than one character), known as a salt, to each plaintext input.