CompTIA A+ Study Guide by Kai London
This study guide takes you through the knowledge CompTIA A+ expects, area by area, in clear language — with worked examples, exam tips and practice questions so you can check your progress as you go.
What the book covers
Hardware and devices
PCs, laptops, mobile devices, printers and peripherals.
Networking
Connectivity, addressing, Wi-Fi and small office networks.
Operating systems
Installing, configuring and supporting Windows and other OSs.
Security basics
Malware, access control and securing endpoints.
Troubleshooting
A repeatable method for hardware, software and network faults.
Practice and review
End-of-chapter questions with explanations, plus a final review checklist.
This is an independent study aid. It is not affiliated with, sponsored or endorsed by CompTIA; exam names are trademarks of their owners. Always check the current official exam outline.
Who it is for
Candidates preparing for CompTIA A+, help-desk and IT support staff, and career changers entering IT.
About the author
Professor Kai London — CISSP, CISM.
An internationally recognised cybersecurity executive, board advisor and Founder & CEO of Quantum AI Systems Security LLC, writing at the convergence of AI, governance and operational resilience. Honorary Professor and Researcher at UCL.