Per-user Pre-Shared Keys (PSKs) offer several advantages over a single PSK used across an entire Extended Service Set (ESS):
User-Based Access Control:Assigning unique PSKs to individual users allows for better tracking and control over network access.
Simplified Key Management:If a user's PSK is compromised or they leave the organization, only their key needs to be changed, not the entire network's.
Option C:Per-user PSKs are not a standard defined or certified by the Wi-Fi Alliance; they are an implementation choice.
Option D:Mutual authentication is a feature of WPA/WPA2-Enterprise using 802.1X, not of PSK-based systems.
[Reference:CWDP-305 Study Guide, Chapter on WLAN Security – PSK Management Strategies., , ]
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