This bestselling on-the-job reference and test preparation guide has been fully revised for the new 2015 CompTIA A+ exam objectives Written by the leading authority on CompTIA A+ certification and training, this self-study book and CD has been thoroughly updated to cover 100% of the exam objectives on the 2015 CompTIA A+ exams. New topics include managing and maintaining cellular devices, including tablets; configuring operating systems, including Windows 8, Android, and iOS; and enhanced, mobile-centered security and troubleshooting procedures. CompTIA A+® Certification All-in-One Exam Guide, Ninth Edition (Exams 220-901 & 220-902) enables you to take the test with complete confidence. It also serves as a practical reference for IT support and technical personnel. The bonus CD-ROM includes practice exam for both exam 901 and 902 with hundreds of accurate practice exam questions, more than an hour of Mike Meyers training videos, performance based simulations, free PC tools, and a PDF copy of the book. Written with the "in the trenches" voice and clarity Mike Meyers is known for Features pre-assessment tests, exam tips, and "Try This!" sections to reinforce difficult topics.