Exam 70-221, Designing a Windows 2000 Network Infrastructure tests the skills required to analyze the business requirements for the Network Infrastructure and design a network infrastructure that meets business requirements. Network Infrastructure elements include: network topology; routing; IP addressing; name resolution such as WINS and DNS; virtual private networks; remote access; and telephony solutions. Training Guides offers you the perfect self-study tool to prepare you at your own pace and time. We've included information on the new testing types and designed the titles to provide the reader with plenty of practice opportunities to gain the skills required to pass these exams. With the release of Windows 2000, the entire MCSE exam structure has changed and the New Riders Training Guides have changed to address the new needs of the audience. Adaptive testing, emphasis on hands-on knowledge, and a more skills-focused designed are addressed in the new Training Guides.