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wifi

AI security interview questions tagged wifi, across every topic.

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Concepts behind "wifi"

Explanations of the mechanisms these questions rely on.

Foundational
Network Security
Wi-Fi Security and 802.1XWPA2-Personal derives keys from a shared passphrase, so a captured handshake can be attacked offline; WPA3-Personal's SAE handshake removes that, though its transition mode and early implementations had flaws. KRACK showed that even WPA2's key handshake could be made to reuse nonces. Enterprise Wi-Fi uses 802.1X with EAP and a RADIUS server, and its security depends on clients validating the server's certificate and name: without that, an evil twin collects credentials. Certificate-based EAP-TLS with a private CA, WPA3 with protected management frames, and the same controls on wired ports are the current baseline.
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