Here's the book you need to prepare for Microsoft's new MCDST exams-70-271: Supporting Users and Troubleshooting a Microsoft XP Operating System; and 70-272: Supporting Users and Troubleshooting Desktop Applications on a Microsoft Windows XP Operating System. This two-in-one Study Guide was developed to meet the exacting requirements of today's certification candidates. In addition to the consistent and accessible instructional approach that earned Sybex the "Best Study Guide" designation in the 2003 CertCities Readers Choice Awards, this book provides:In-depth coverage of all exam topicsPractical information on supporting users and troubleshooting applicationsHundreds of challenging review questionsLeading-edge exam preparation software, including a test engine and electronic flashcardsAuthoritative coverage of all exam objectives, including:Exam 70-271:Installing a Windows Desktop Operating SystemManaging and Troubleshooting Access to ResourcesConfiguring and Troubleshooting Hardware Devices and DriversConfiguring and Troubleshooting the Desktop and User EnvironmentsTroubleshooting Network Protocols and ServicesExam 70-272:Configuring and Troubleshooting ApplicationsResolving Issues Related to UsabilityResolving Issues Related to Application CustomizationConfiguring and Troubleshooting Connectivity for ApplicationsConfiguring Application Security"