Web Tutor Advantage is designed to help you improve your comprehension and performance on certification exams through self-study sessions. Each chapter includes: Preparation files to alert students as to what they should complete to be ready for the on-line experience. Electronic book files for self-paced study and review. Animations and video clips to illustrate difficult or visual topics. Chapter quizzes which feature certification-style questions to reinforce learning, provide important practice for the exams, and clarify why answers are?or aren't?correct.