You want to implement Active Directory on your Windows 2000 network. Your network consists of Windows 2000 Server computers, Windows 2000 Professional computers, Windows NT Workstation 4.0 computers, and Windows 98 computers. You want to achieve optimum functionality of all the client computers with Active Directory. What should you do?

• A. Install the Directory Service Client on all of the Windows 98 computers.
• B. Upgrade all of the Windows 98 computers to Windows 2000 Professional
• C. Upgrade all of the Windows NT Workstation 4.0 computers and Windows 98 computers to Windows 2000 Professional
• D. Nothing. Windows 2000 will automatically detect all client computers and optimize them to function with Active Directory.