CompTIA Security Plus Mock Test Q173

A system administrator wants to enable WPA2 CCMP. Which of the following is the only encryption used?

A. RC4
B. DES
C. 3DES
D. AES

Correct Answer: D
Section: Network Security

Explanation:
Cipher Block Chaining Message Authentication Code Protocol (CCMP) makes use of 128-bit AES encryption with a 48-bit initialization vector.

Incorrect Answers:
A, B, C: These are not used by CCMP

References:
Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis, 2014, pp. 172, 250