Welcome to MCSA/MCSE Self−Paced Training Kit (Exam 70−290): Managing and Main− taining a Microsoft Windows Server 2003 Environment, Second Edition. We have designed this book to prepare you effectively for the MCSE examination and, along the way, to share with you knowledge about what it takes to implement Windows Server 2003 in your enterprise network. We hope that by helping you understand the under- lying technologies, the variety of options for configuring feature sets, and the complex interaction among components, you are better equipped to tackle the challenges that you face in the information technology (IT) trenches. We also hope to serve the com- munity at large—to elevate the worth of the MCSE moniker—so that behind each cer- tification is a knowledgeable, experienced, capable professional.