Author:Docter, Quentin. CompTIA A+ Complete Deluxe Study Guide: Exam Core 1 220-1001 and Exam Core 2 220-1002. CompTIA A+ certification is the industry-leading standard for IT professionals. TheCompTIA A+ Complete Deluxe Study Guide: Exams 220-1001 and 220-1002, Fourth Edition is your comprehensive guide for acing the exam and earning A+ certification.