Your network contains an Active Directory domain named contoso.com. The functional level
of the domain and the forest is Windows Server 2008 R2.
All domain controllers run Windows Server 2008 R2.
You plan to deploy a new line-of-business application named App1 that uses claims-based
authentication.
You need to recommend changes to the network to ensure that Active Directory can provide
claims for App1.
What should you include in the recommendation? (Each correct answer presents part of the
solution. Choose all that apply.)

A.
From the properties of the computer accounts of the domain controllers, enable Kerberos
constrained delegation.

B.
From the Default Domain Controllers Policy, enable the Support for Dynamic Access
Control and Kerberos armoring setting.

C.
Deploy Active Directory Lightweight Directory Services (AD LDS).

D.
Raise the domain functional level to Windows Server 2012.

E.
Add domain controllers that run Windows Server 2012.