Of the following IEEE 802.11 wireless security protocols, which one offers the weakest protection and is now considered obsolete?
WPA3
WPA
WEP
WPA2
Wired Equivalent Privacy (WEP) was introduced in 1997 but was quickly found to be vulnerable to multiple cryptographic attacks. The IEEE and the Wi-Fi Alliance formally deprecated WEP and replaced it first with WPA, then WPA2, with WPA3 being the most recent improvement. Because of these well-known weaknesses, WEP should never be chosen when more modern options are available.
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