CompTIA A+ 220-901 Practice Tests (Hardware & Networking) is intended for students currently preparing for the official CompTIA(R) A+ 220-901 certification exam. The practice tests in this book should prove tremendously constructive in affording students an opportunity to test their knowledge before presenting for the official 90-question certification exam.This book comprises 420 questions presented in a multitude of different formats, including multiple choice questions (MCQs), scenario-based troubleshooting questions, and true/false statements, amongst others. The MCQs provided in this book reflect the format used during official CompTIA(R) A+ certification exams.The 420 practice questions are intentionally divided into manageable test sets.Each test set comprises 20 multi-format questions covering a diverse array of examinable topics. Each question is accompanied by answer(s) and, where applicable, annotated solutions which are denoted by the corresponding footnote numbers.The practice questions in this book are designed to cover all key examinable material that may form the basis of test questions presented to the examinee during the official CompTIA(R) A+ 220-901 certification exam. Hence, this book should prove to be an essential study and revision guide, providing a thorough overview of examinable material applicable to the 220-901 A+ exam.A separate companion book, CompTIA(R) A+ 220-902 Practice Tests (Operating Systems & Mobile Platforms) is also available for purchase.