These three are meant for the home user:
Disable:
No encryption in use
WEP:
The most popular but least secure form of encryption
WPA/WPA2-PSK:
The most secure and recommended level of encryption
The remaining two are for use in a corporate environment that utilizes authentication
servers.
If you do not know if you have an authentication server, you probably don’t and
will want to stick with the three options above.
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