Book excerpt: The MCSE/MCSA 70-291 Exam Prep is the most accurate, comprehensive, and up-to-date study guide for you if you are preparing for one of the core exams required of these popular Microsoft certifications. Updated for R2 versions of the product and the exam, this book serves as both a learning and practice tool. Organized according to the exam objectives, which helps you quickly and easily assess your understanding of the key exam topics, the book features several key features that help you score better on the test: exam objective explanations, notes, tips, warnings, key terms, exercises, step-by-step examples, study strategies, fast facts, as well as multiple self-assessment opportunities. This is the ultimate study guide to help you prepare for this required MCSE and MCSA exam. The 70-291 exam measures the ability to implement and manage a Microsoft Windows Server 2003 network infrastructure.