You are designing an ASP.NET Web application. The Web application must allow users to
authenticate by using LDAP on a Web form. You need to recommend an authentication
model. What should you recommend?

A.
Change the authentication mode to Forms authentication, and use the
ActiveDirectoryMembershipProvider class.

B.
Change the authentication mode to Windows authentication, and implement a custom
authentication provider.

C.
Change the authentication mode to Forms authentication, and use the
ClientWindowsAuthenticationMembershipProvider class.

D.
Change the authentication mode to Windows authentication, and use the
ActiveDirectoryMembershipProvider class.