In which Wi-Fi authentication mode do all users enter the same shared secret (passphrase) to gain access to the wireless LAN?
WPA/WPA2/WPA3 Personal (PSK)
Open (no authentication)
WPA/WPA2/WPA3 Enterprise (802.1X)
802.1X with EAP-TLS certificates
WPA-Personal, also called Pre-Shared Key (PSK) mode, relies on a single password that every authorized device must know. Because the passphrase is shared among all users, it is easy to deploy in homes and very small offices but offers weaker accountability and revocation than WPA/WPA2/WPA3-Enterprise, which authenticates each user individually through 802.1X and a RADIUS server. Open networks have no authentication at all, and 802.1X with EAP-TLS uses certificates per device rather than a shared secret.
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