The Best Fully Integrated Study System Available With hundreds of practice questions and hands-on exercises, CompTIA A+ Certification Study Guide, Sixth Edition covers what you need to know–and shows you how to prepare–for these challenging exams. 100% complete coverage of all official objectives for CompTIA A+ exams 220-601, 220-602, 220-603, and 220-604 Exam Readiness Checklist at the front of the book–you’re ready for the exam when all objectives on the list are checked off Inside the Exam sections in every chapter highlight key exam topics covered Simulated exam questions match the format, tone, topics, and difficulty of the real exam Covers all the exam topics, including: CPUs and Motherboards * Power Supply and Cooling Systems * Memory and Storage Devices * Display and Input Devices * Cables, Connectors, and Ports * Installing, Upgrading, Troubleshooting, and Maintaining PCs * Supporting Laptops and Portable Devices * Installing, Configuring, Optimizing, and U (more…)