During the WLAN security planning, in order to support the self-registration of visitors, it is recommended that the authentication method which is set for visitors is:

During the WLAN security planning, in order to support the self-registration of visitors, it is recommended that the authentication method which is set for visitors is:
A . WEB authentication
B . WPA-PSK
C . WEB-Portal authentication
D . dot1x authentication

Answer: C