Certified Ethical Hacker (CEH v10) — Question 71

Internet Protocol Security IPSec is actually a suite of protocols. Each protocol within the suite provides different functionality. Collective IPSec does everything except.

Answer options

• A. Work at the Data Link Layer
• B. Protect the payload and the headers
• C. Encrypt
• D. Authenticate

Correct answer: A

Explanation

The correct answer is A because IPSec operates at the Network Layer, not at the Data Link Layer. Options B, C, and D are all functions that IPSec performs, as it is designed to protect data by encrypting and authenticating both the payload and the headers.