Which encryption algorithm does WPA2 use for enterprise and Wi-Fi security?

Which encryption algorithm does WPA2 use for enterprise and Wi-Fi security?

• A. RC4-CCMP
• B. RC4-TKIP
• C. AES-CCMP
• D. AES-TKIP

Answer: (C)

WPA2 protects Wi‑Fi traffic using AES-based CCMP, which provides both confidentiality and integrity for the frames. AES is the encryption algorithm, and CCMP (Counter with CBC-MAC Protocol) is the secure mode that uses AES to encrypt data and verify integrity. In WPA2, especially in enterprise deployments with 802.1X, AES-CCMP is the standard and mandatory approach, offering stronger security than older methods. The other pairings mix RC4 or TKIP with AES in ways that aren’t used in WPA2: RC4-based schemes are from earlier WPA variants, and AES-TKIP isn’t a valid combination because TKIP relies on RC4, not AES. So AES-CCMP is the correct choice for WPA2.

WPA2 protects Wi‑Fi traffic using AES-based CCMP, which provides both confidentiality and integrity for the frames. AES is the encryption algorithm, and CCMP (Counter with CBC-MAC Protocol) is the secure mode that uses AES to encrypt data and verify integrity. In WPA2, especially in enterprise deployments with 802.1X, AES-CCMP is the standard and mandatory approach, offering stronger security than older methods. The other pairings mix RC4 or TKIP with AES in ways that aren’t used in WPA2: RC4-based schemes are from earlier WPA variants, and AES-TKIP isn’t a valid combination because TKIP relies on RC4, not AES. So AES-CCMP is the correct choice for WPA2.