Your network consists of a single Active Directory domain. The functional level of the domain is Windows Server 2008 R2. All servers run Windows Server 2008 R2.   A corporate security policy requires complex passwords for user accounts that have administrator  privileges. You need to design a strategy that meets the following requirements： èEnsures that administrators use complex passwords   èMinimizes the number of servers required to support the solution What should you include in your design？（）

• A、Implement Network Access Protection （NAP）.
• B、Implement Active Directory Rights Management Services （AD RMS）.
• C、Create a new Password Settings Object （PSO） for administrator accounts.
• D、Create a new child domain in the forest. Move all non-administrator accounts to the new domain.Configure a complex password policy in the root domain.