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070-290 Managing and Maintaining a Microsoft Windows Server 2003 Environment 070-291 Implementing, Managing, and Maintaining a Microsoft Windows Server 2003 Network Infrastructure 070-292 Managing and Maintaining a Microsoft Windows Server 2003 Environment for a W2K MCSA 070-210 Windows 2000 Professional 070-214 Implementing and Administering Security in a Microsoft Windows 2000 Network 070-215 Windows 2000 Server 070-216 Windows 2000 Network Infrastructure 070-217 Windows 2000 Directory Services Infrastructure 070-218 Managing a Microsoft Windows 2000 Network Environment 070-222 Migrating from Microsoft Windows NT 4.0 to Microsoft Windows 2000 070-228 Installing, Configuring and Administering SQL Server 2000 070-229 Designing and Implementing Databases with SQL Server 2000 070-270 Windows XP Professional 640-607 CCNA 220-231 A+ Hardware Technlogies 220-232 A+ OS Technologies 070-300 Analyzing Requirements and Defining Microsoft .NET Solution Architectures 070-305 Developing and Implem