Test your knowledge and practice for MCTS Exam 70-640 with this DRILL app from Microsoft Press. You get 100 questions and two testing modes. In study mode, you can test yourself one question at a time, and see explanations for both correct and incorrect responses. In quiz mode, you answer all questions in succession, then get your score. Incorrect responses will be flagged for further study. DRILL questions are taken from the practice tests from the corresponding Self-Paced Training Kit, which features 200+ questions, along with the official Microsoft study guide, an exam discount, and more.