CompTIA A+ 220-901 and 220-902 Cert Guide 4th Edition

In this best-of-breed study guide, a leading expert helps you master all the topics you need to know to succeed on your CompTIA 220-901 and 902 exams and move into a successful career as an IT technician. The concise, focused approach explains every exam objective from a real-world perspective, helping you quickly identify weaknesses and retain everything you need to know.

Every feature of this book is designed to support both efficient exam preparation and long-term mastery:

• Includes coverage of the new performance-based questions
• Opening Topics Lists and Exam Objectives Summary define the topics you’ll need to learn in each chapter, including a list of the official exam objectives covered in that chapter
• Key Topics call attention to the information that’s most crucial to know for the exam
• Exam Preparation Tasks include reviewing key topics, completing memory tables, defining key terms, working through scenarios, and answering review questions―all designed to help you go beyond simple facts to make sure you master concepts crucial to both passing the exam and enhancing your career
• Key Terms defined in a complete glossary explain all the field’s essential terminology

The companion website contains access to the powerful Pearson IT Certification Practice Test Engine and two complete exams with access to a large library of exam-realistic questions.

This study guide helps you master all the topics on the new A+ 901 and 902 exams, including:

• Motherboards, processors, RAM, and BIOS
• Power supplies and system cooling
• I/O, input ports, and devices
• Video displays and video cards
• Customized PCs
• Laptops, mobile and wearable devices
• Printers
• Storage devices including SSDs
• Installing, using, and troubleshooting Windows, Linux, and OS X
• Virtualization
• Networking
• Security
• Operational procedures and communications methods