WPA/WPA2-Personal - It’s the WPA/WPA2 authentication type based on pre-shared
passphrase. The router is configured by this security type by default.
Version - You can choose the version of the Automatic, WPA-PSK or WPA2-PSK
security from the drop-down list. The default setting is WPA2-PSK.
Encryption - You can select Automatic, TKIP or AES as Encryption. The default
setting is AES.
Note:
If you check the WPA/WPA2-Personal radio button and choose TKIP encryption, you
will find a notice in red as shown below.