CompTIA A+ Core 1 (220-1201) Complete Study Guide for the 2025 Certification Exam

Breaking into the world of IT can feel overwhelming. There are endless devices, constant updates, and the pressure of proving you have the skills employers demand. That's where this guide comes in.

This book is designed for beginners, career changers, and anyone ready to take their first step toward a future in technology. Written in clear, approachable language, it covers every topic you need to pass the CompTIA A+ Core 1 (220-1101) exam—the industry's most recognized entry-level certification.

Inside, you'll discover:

Essential Hardware Knowledge: Learn how PCs, laptops, and mobile devices really work, from motherboards and RAM to displays and power supplies.
Networking Made Simple: Understand cables, wireless technologies, IP addressing, and the tools that keep networks running.
Security Foundations: Get the fundamentals of protecting data, devices, and users—skills every employer looks for.
Troubleshooting Skills: Master the step-by-step methodology professionals use to solve real problems quickly and confidently.
Clear Explanations, No Jargon: Complex topics are broken down into practical, exam-focused lessons you can actually understand.
Whether you're fresh out of school, switching careers, or simply curious about IT, this guide will help you:

Build a solid foundation in computer and network fundamentals.
Gain confidence through structured, easy-to-follow chapters.
Prepare effectively for the CompTIA A+ Core 1 (220-1101) exam.
Stand out to employers with one of the most trusted certifications in the industry.
The CompTIA A+ certification is more than just a test—it's a career gateway. Employers around the world use it to identify professionals who can install, maintain, and troubleshoot today's technologies. By earning your A+, you'll prove that you have what it takes to handle the real demands of IT support, help desk roles, and beyond.

This book doesn't just help you memorize facts—it helps you understand concepts deeply enough to apply them on the exam and in the workplace. Each chapter builds your knowledge step by step, reinforcing key ideas with clarity and real-world relevance.

Your path to IT starts here.

If you're ready to stop guessing and start learning, this guide will give you the structure, focus, and confidence you need. Turn your curiosity into a career, one chapter at a time.