A. ClearPass.23 is the authentication server, and cp.mycompany.com is the captive portal server.
B. ClearPass.23 is the authentication server, and MC2 is the captive portal server.
C. Internal database in MC2 is the authentication server, and cp.mycompany.com is the captive portal server.
D. cp.mycompany.com is the authentication server, and ClearPass.23 is the captive portal server.