Which of the following protocols use the Advanced Encryption Standard (AES)?

Which of the following protocols use the Advanced Encryption Standard (AES)?

• A. WEP
• B. TLS
• C. WPA
• D. WPA and WPA2

Answer: (D)

AES is the modern encryption standard used to protect data on Wi‑Fi networks. WEP relies on older methods (RC4) and has known flaws, so it does not use AES. TLS is a separate security protocol for end‑to‑end communications and can use AES in its cipher suites, but it isn’t the protocol that secures the Wi‑Fi link itself. WPA originally targeted fixing WEP and mainly used TKIP, though some implementations can use AES; however, WPA2 standardizes on AES-CCMP for the wireless link. Because both WPA and WPA2 can operate with AES, this combination correctly reflects AES being used for the Wi‑Fi security in modern setups.

AES is the modern encryption standard used to protect data on Wi‑Fi networks. WEP relies on older methods (RC4) and has known flaws, so it does not use AES. TLS is a separate security protocol for end‑to‑end communications and can use AES in its cipher suites, but it isn’t the protocol that secures the Wi‑Fi link itself. WPA originally targeted fixing WEP and mainly used TKIP, though some implementations can use AES; however, WPA2 standardizes on AES-CCMP for the wireless link. Because both WPA and WPA2 can operate with AES, this combination correctly reflects AES being used for the Wi‑Fi security in modern setups.