... Windows 2000 networks. Windows 2000 is a huge product that requires professional skills of its administrators. Consider that Windows NT 4 has about 12 million lines of code, while Windows 2000 ... at Windows 2000, you probably thought the same thing. Windows 2000 its nuances, its changes from NT, its subtleties, and all of its associated add-on components (I speak here of Exchange 2000, ... Win-dows 2000. You will find the information you need to acquire a solid under-standing of Windows 2000 network infrastructure design, to prepare for the Exam 70-221: Designing a Microsoft® Windows ...