You are the administrator of a Windows NT Server 4.0 computer named Ezonexam1.Ezonexam1 is

You are the administrator of a Windows NT Server 4.0 computer named Ezonexam1.

Ezonexam1 is a backup domain controller and a member of Ezonexam.com's Windows 2000 Active Directory forest. The forest consists of three Windows 2000 domains. Ezonexam1 is the only remaining Windows NT Server 4.0. A new version of the application that runs on Windows 2000 Server has been developed that requires the use of Universal groups. The application will not run on a domain controller.

You need to upgrade Ezonexam1 to Windows 2000 Server and prepare for the installation of the new version of the application on Ezonexam1.

What should you do？

(Each correct answer presents part of the solution. Choose two.)

A．Install Windows 2000 Server on Ezonexam1. Configure Ezonexam1 to use a dual boot configuration that includes Windows NT Server 4.0 and Windows 2000 Server. Install the new application on the Windows NT Server 4.0

B．Upgrade Ezonexam1 to Windows 2000 Server. During the upgrade select option to make Ezonexam1 a member server.

C．Upgrade Ezonexam1 to Windows 2000 Server. During the upgrade select the option to make Ezonexam1 a domain controller. After the upgrade, demote the domain controller.

D．Make any user accounts on Ezonexam1 members of Domain Global groups.

E．Convert the Windows 2000 domains to native mode.