______ security uses 128-bit AES encryption for confidentiality and AES-CCMP for automatic rekeying.

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Multiple Choice

______ security uses 128-bit AES encryption for confidentiality and AES-CCMP for automatic rekeying.

Explanation:
802.11i defines the Wi‑Fi security framework that uses AES in CCMP mode (AES-CCMP) for encryption with 128‑bit keys, and it supports automatic rekeying of keys (GTK/PTK) as part of its robust key management. This combination—AES‑CCMP for confidentiality and an RSN-based mechanism for periodic, automatic key updates—distinguishes it from WEP (which uses RC4) and from WPA (which originally used TKIP with RC4). So the description aligns with 802.11i, the standard behind WPA2.

802.11i defines the Wi‑Fi security framework that uses AES in CCMP mode (AES-CCMP) for encryption with 128‑bit keys, and it supports automatic rekeying of keys (GTK/PTK) as part of its robust key management. This combination—AES‑CCMP for confidentiality and an RSN-based mechanism for periodic, automatic key updates—distinguishes it from WEP (which uses RC4) and from WPA (which originally used TKIP with RC4). So the description aligns with 802.11i, the standard behind WPA2.

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