CompTIA Security+ (SY0-601) — Question 540

Which of the following explains why an attacker cannot easily decrypt passwords using a rainbow table attack?

Answer options

• A. Digital signatures
• B. Salting
• C. Hashing
• D. Perfect forward secrecy

Correct answer: B

Explanation

The correct answer is B, Salting, because it adds a unique value to each password before hashing, making precomputed rainbow tables ineffective. Options A, C, and D are related to security but do not specifically address the challenge posed by rainbow table attacks.