CompTIA's vendor-neutral A+ certification validates the skills expected of an entry-level computer technician in four areas: A+ essentials, IT technician, tech support technician, and depot technician. As the companion book to A+ Certification All-In-One Desk Reference For Dummies, this workbook provides hands-on practice that will help test-takers prepare for the exams. Packed with hands-on exercises, theory quizzes, vocabulary quizzes on hundreds of terms, and troubleshooting "story problems"  » Read more...