Written by a veteran in the field, this book presents a concise overview of the Microsoft Certified Desktop Support Technician certification exams, covering both the Operating Systems (70-271) and the Applications (70-272) tests. In addition to reviewing the credential and explaining how to prepare psychologically for each test, the book specific addresses each exam objective as stated by Microsoft. It encompasses the installation, configuration, troubleshooting of operating systems and software applications, addressing hardware devices and drivers, user environments, customization, and application security. In a clear and efficient manner, the book incorporates both the detailed instructions that newcomers want and the "quick-and-dry" facts needed by those familiar with the certification process. The accompanying CD-ROM offers computer-based practice tests so readers can become comfortable with the CBT format of the exam.