WPA2-Enterprise uses IEEE 802.1X authentication, typically working with a RADIUS server, so every user authenticates with unique credentials or certificates. Because no shared passphrase exists, compromise of one user's credentials does not expose the entire WLAN. WPA2-Personal, by contrast, authenticates all devices with a common pre-shared key.
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What is the role of a RADIUS server in WPA2-Enterprise authentication?
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How does 802.1X work in wireless network authentication?
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What are the key differences between WPA2-Enterprise and WPA2-Personal?