... All network servers run either Windows Server 2003, Windows 2000 Server, or Windows NT Server 4.0. All client computers run either Windows XP Professional, Windows 2000 Professional, Windows NT ... consists of a single Active Directory domain 21certify.com. All servers run either Windows Server 2003 or Windows 2000 Server. All client computers run either Windows XP Professional, Windows 2000 ... single Active Directory domain named 21certify.com. The domain contains 10 Windows Server 2003 computers. The domain controllers are also configured as DNS server. Each DNS server hosts an Active...