Here's the book you need to prepare for Exam 70-270, Installing, Configuring, and Administering Microsoft Windows XP Professional. This Study Guide provides:

In-depth coverage of every exam objective
Practical information on installing, configuring, and administering Windows XP Professional
Hundreds of challenging review questions, in the book and on the CD
Leading-edge exam preparation software, including a testing engine, electronic flashcards, and simulation software

Authoritative coverage of all exam objectives, including:
Installing Windows XP Professional
Implementing and conducting administration of resources
Implementing, managing, and troubleshooting hardware devices and drivers
Monitoring and optimizing system performance and reliability
Configuring and troubleshooting the desktop environment
Implementing, managing, and troubleshooting network protocols and services
Implementing, monitoring, and troubleshooting security