You need to design phase one of the new authentication strategy. Your solution must meet business requirements.What should you do？（）

• A、Install a Windows Server 2003 enterprise root CA, Configure certificate templates for autoenrollment
• B、Install a Windows Server 2003 enterprise subordinate CA, Configure certificate templates for autoenrollment
• C、Install a Windows Server 2003 stand-alone subordinate CA, Write a logon script for the client computers in the HR department that contains the Certreq.execommand
• D、Install a Windows Server 2003 stand-alone root CA,Write a logon script for the client computers in the HR department that contains the Certreq.execommand