Which of the following wireless protocols could be vulnerable to a brute-force password attack?

Which of the following wireless protocols could be vulnerable to a brute-force password attack?
(Select TWO).

A.
WPA2-PSK

B.
WPA – EAP – TLS

C.
WPA2-CCMP

D.
WPA – CCMP

E.
WPA – LEAP

F.
WEP