Security+ SY0-801: 300 Practice Questions by Kai London
Passing Security+ is about recognising what a question is really testing. This book gives you 300 exam-style questions organised by exam domain, with explanations for why each answer is right — and why the others are not.
What the book covers
Domain-mapped question sets
Questions grouped by exam objective so you can find and fix weak areas quickly.
Full-length practice exams
Timed mock exams that reproduce the pace and mix of the real test.
Explained answers
Every answer explained, including the reasoning behind each distractor.
Performance-based thinking
Scenario items that build the hands-on judgement the exam rewards.
Study plan
A structured revision schedule for the final weeks before the exam.
Exam-day strategy
Time management, flagging and review techniques that protect your score.
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 the Security+ SY0-801 exam, career changers entering cybersecurity, and IT professionals formalising their security knowledge.
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.