CISSP — Certified Information Systems Security Professional
Senior-level security cert across 8 domains
Single questions with instant feedback — no timer, learn as you go.
From practice to the real exam
What this exam covers
Frequently asked questions
Is the CISSP — Certified Information Systems Security Professional practice test free?
Yes. The core CISSP — Certified Information Systems Security Professional practice on AceMark is free to start — no credit card needed. Sign in (takes 10 seconds) if you'd like to track your progress, save attempts, and unlock the Mentor. Otherwise, browse and explore questions without an account.
How many questions are in the CISSP — Certified Information Systems Security Professional quiz?
Each CISSP — Certified Information Systems Security Professional attempt draws 20 questions and runs for about 180 minutes under realistic timed conditions.
Can I retake the CISSP — Certified Information Systems Security Professional test, and are the questions randomised?
Yes. Every attempt pulls a fresh, randomised set of questions, so you can't memorise your way through — you retake it until you genuinely know the material.
What score do I need to pass the CISSP — Certified Information Systems Security Professional?
The pass mark used in this simulation is 58%. AceMark scores every attempt instantly and shows which topics to review.