Kolin is deploying a new wireless network and wants to use the strongest possible encryption. What encryption protocol should he select?

Question $12$ options:

Wired Equivalent Privacy $($WEP$)$

Carrier Sense Multiple Access with Collision Detection $($CSMA$/$CD$)$

Wi$-$Fi Protected Access $($WPA$)$

Wi$-$Fi Protected Access version $2($WPA$2)$