You need to set the authentication method of the federa…

Your company has an Exchange Server 2010 Service Pack (SP1) organization and a hybrid deployment of Office 365. You have two federation servers named
Server1 and Server2. You manage Server1 and Server2 by using a user account that is a member of the Domain Admins group. You need to set the authentication
method of the federation servers to forms-based authentication.
What should you do?

A.
Modify the Web.config file in the %systemroot%\\inetpub\\adfs\\Is directory.

B.
Modify the Global.asax file in the %systemroot%\\inetpub\\adfs\\Is directory.

C.
From the AD FS 2.0 Management console, add a claims provider trust.

D.
From the AD FS 2.0 Management console, add a relaying party trust.