Which actions are necessary to set up a ClearPass guest captive portal web login page to authenticate guest users? (Select three.)
A. Configure the guest pre-authentication role on ClearPass.
B. Select the user login checkbox in ClearPass Guest.
C. Create a web login page in ClearPass Guest.
D. Create Guest Service in ClearPass policy Manager.
E. Redirect Aruba Controller URL to ClearPass server web login page.
I think answer is C,D,E.
A,B can be configured in Aruba Controller not in the Clearpass.