Your network contains an Active Directory domain named contoso.com. The domain functional level is Windows Server 2008. All domain controllers run Windows
Server 2008 R2. The domain contains a file server named Server1 that runs Windows Server 2012. Server1 has a BitLocker Drive Encryption (BitLocker)-encrypted
drive. Server1 uses a Trusted Platform Module (TPM) chip. You enable the Turn on TPM backup to Active Directory Domain Services policy setting by using a
Group Policy object (GPO). You need to ensure that you can back up the BitLocker recovery information to Active Directory. What should you do?

A.
Raise the forest functional level to Windows Server 2008 R2.

B.
Enable the Configure the level of TPM owner authorization information available to the operating system policy setting and set the Operating system managed
TPM authentication level to None.

C.
Add a BitLocker data recovery agent.

D.
Import the TpmSchemaExtension.ldf and TpmSchemaExtensionACLChanges.ldf schema extensions to the Active Directory schema.