Certified Ethical Hacker (CEH v11) — Question 17

Which service in a PKI will vouch for the identity of an individual or company?

Answer options

• A. KDC
• B. CR
• C. CBC
• D. CA

Correct answer: D

Explanation

The correct answer is D, CA (Certificate Authority), which is responsible for issuing digital certificates that validate identities. The other options, such as KDC (Key Distribution Center), CR (Certificate Revocation), and CBC (Cipher Block Chaining), serve different roles in security and encryption but do not directly verify identities.