CompTIA Security+ (SY0-501) — Question 3

Which of the following encryption methods does PKI typically use to securely protect keys?

Answer options

• A. Elliptic curve
• B. Digital signatures
• C. Asymmetric
• D. Obfuscation

Correct answer: C

Explanation

The correct answer is C, Asymmetric, as PKI relies on asymmetric encryption to manage and protect keys through a pair of public and private keys. Options A (Elliptic curve) and B (Digital signatures) are related concepts but are not the primary encryption method used for key protection in PKI. Option D (Obfuscation) is a technique used to make data unclear but does not provide the security required for key management.