CompTIA Security+ Question A-57

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

Answer: D

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