ISC2 Certified Information Systems Security Professional (CISSP) Practice Exams
About the ISC2 CISSP exam
Exam at a glance
The most recognized cybersecurity credential worldwide — ISC2's professional-tier flagship.
Domain weighting (refreshed 15 April 2024)
- Security and Risk Management — 16%
- Asset Security — 10%
- Security Architecture and Engineering — 13%
- Communication and Network Security — 13%
- Identity and Access Management — 13%
- Security Assessment and Testing — 12%
- Security Operations — 13%
- Software Development Security — 10%
Core topics tested
- Governance, risk, and compliance — frameworks (NIST CSF, ISO 27001), risk assessment, BCP/DRP, regulatory environments.
- Cryptography — symmetric vs asymmetric, hashing, PKI, key management, attacks.
- Network security — OSI model, secure protocols, firewalls, segmentation, wireless security.
- IAM — authentication factors, SSO, federation (SAML/OIDC), privileged access, identity lifecycle.
- Security architecture — secure design principles, virtualization/cloud security models, threat modeling, hardware security.
- Operations — monitoring, incident response, forensics, vulnerability and patch management.
- Software development security — SDLC integration, secure coding, application security testing, DevSecOps.
- Physical and environmental security — facility design, environmental controls, media handling.
Prerequisites
Five years of cumulative paid work experience in two or more of the eight CBK domains. A four-year college degree (or approved credential) waives one year. Pass without the experience and you earn the Associate of ISC2 designation with six years to gain the qualifying experience.
Why take this certification
- Top-recognized security credential. CISSP appears in roughly 70% of senior security and CISO job postings. Over 170,000 professionals worldwide hold it. ANSI/ISO 17024 accredited and approved under U.S. DoDM 8140.03 for federal cybersecurity roles.
- Strong salary signal. CISSP-certified professionals earn an average of $128,000 USD per year in the United States (source: PayScale, 2026), with senior security architects, CISOs, and consultants commanding $160,000–$200,000+.
- Breadth over depth. Unlike vendor-specific certs, CISSP validates that you can design, implement, and manage a complete security program across people, process, and technology. This makes it the go-to credential for leadership and architecture roles.
- Gateway to ISC2 specializations. Holding CISSP unlocks the three concentrations — ISSAP (Architecture), ISSEP (Engineering), ISSMP (Management) — each requiring only two additional years of relevant experience.
What you'll learn for the CISSP exam
CISSP is broad rather than deep. The exam tests whether you can reason about security as a complete program — making the right risk-management trade-off, choosing the right control for a stated threat, and explaining why one design is more defensible than another. It is scenario-driven: most questions present a situation with a constraint (compliance, budget, threat model) and ask which option a security manager should choose.
Knowledge areas you'll be tested on
- Risk management: qualitative and quantitative analysis, threat modeling (STRIDE, PASTA), risk treatment, third-party / supply-chain risk.
- Asset security: classification, data lifecycle, retention, destruction, data privacy regulations (GDPR, HIPAA, PCI DSS).
- Architecture and engineering: secure design principles (defense in depth, least privilege, separation of duties), cryptography (PKI, key lifecycle, cryptanalysis), physical security.
- Networking: OSI/TCP-IP, IPSec, TLS, secure wireless, SDN, network segmentation, microsegmentation, zero trust.
- IAM: identity stores, authentication factors, federation (SAML, OIDC, OAuth), session management, privileged access management.
- Assessment and testing: vulnerability scanning, penetration testing, audit and compliance assessment, code review.
- Operations: SOC processes, incident response phases, digital forensics, BCP/DRP, patch management.
- Software development security: SDLC models, secure coding standards (OWASP), DevSecOps, application security testing (SAST/DAST/IAST).
Thinking patterns CISSP tests
- Choosing the best answer — often multiple options are technically correct; the exam wants the one a security manager would defend.
- Thinking like management — favor risk-based, holistic, policy-driven answers over deep technical hacks.
- Layering controls (defense in depth) — recognizing when a single control is insufficient.
- Aligning controls to business goals, not the other way around — security supports the mission.
How the practice exams help
Each free question and every premium exam mirrors the scenario style ISC2 uses on the live test. Detailed explanations cover not just why the right answer is right but why the distractors fall short of "best" — exactly the discrimination CISSP requires. Every attempt randomizes question and answer order so you learn the reasoning, not the position.
How to prepare for the CISSP exam
A successful CISSP preparation strategy combines structured study of the official CBK with extensive practice questions and a deliberate shift from "thinking technical" to "thinking like a manager." Recommended approach:
- Study the CBK (8–12 weeks). Read the official ISC2 CISSP exam outline and a comprehensive study guide (the ISC2 Official CISSP Study Guide or the Sybex "All-in-One"). Cover every domain — gaps in one domain can fail you regardless of overall score.
- Practice managerial thinking (2–3 weeks). CISSP rewards risk-based judgment over technical depth. When you read a scenario, ask: "What would a CISO choose?" not "What would a penetration tester do?" Practice flagging the best option when several look correct.
- Take timed practice exams (3–4 weeks). Build stamina for 3 hours of adaptive testing. Track which domains pull your score down and revisit those CBK chapters. Aim for consistent 80%+ on quality practice tests before scheduling.
- Review high-yield topics in the final week. Cryptography basics, OSI model, BCP/DRP terminology, common laws and frameworks, and incident response phases are heavily tested and easy to refresh. Memorize the seven phases of incident response, the BCP lifecycle, and key cryptographic algorithm properties.
Recommended timeline
3–6 months of focused study (10–15 hours per week) is typical for working security professionals. Candidates without strong security backgrounds should plan 6–9 months.
Official resources
Download the official CISSP exam outline and review the ISC2 Insights blog for current domain coverage. ISC2 also offers Official Online Self-Paced and Instructor-Led Training that maps directly to the live exam blueprint.
Frequently asked questions
Are these actual exam questions?
No. All Nex Arc CISSP practice questions are original content based on the ISC2 published exam outline, the official CBK study materials, and real-world security scenarios across all eight domains. We do not offer brain dumps or leaked questions — using or distributing real exam content violates the ISC2 Code of Ethics and can result in certification revocation.
How many questions are on the CISSP exam?
The English-language CISSP exam uses Computerized Adaptive Testing (CAT) and serves between 100 and 150 questions over a maximum of 3 hours. The exam ends as soon as the algorithm has enough evidence to determine pass or fail. Non-English CISSP exams remain linear with 250 questions over 6 hours.
What's the CISSP passing score?
700 out of 1000 on a scaled scoring model. Item difficulty is factored in — not every question carries the same weight. You must demonstrate sufficient competence across every domain; failing any single domain badly can fail you overall even with a high aggregate score.
How do I access the full CISSP practice exam?
Click the Buy Now button in the sidebar. After payment you get instant access to 12 full-length premium practice exams with detailed explanations on every answer, plus lifetime access to updates.
What experience do I need to take the CISSP?
ISC2 requires five years of cumulative paid work experience in two or more of the eight CBK domains. A four-year college degree or an approved credential from the ISC2-approved list waives one year. Candidates who pass the exam but lack the experience earn the Associate of ISC2 designation and have six years to gain the required experience to become a full CISSP.
How long is the CISSP valid and how do I recertify?
CISSP certification is valid for three years. To recertify, you must earn 120 Continuing Professional Education (CPE) credits over the three-year cycle (with a minimum of 40 per year), pay the Annual Maintenance Fee (currently $135 USD), and adhere to the ISC2 Code of Ethics. CPEs can come from training, conferences, volunteer work, technical writing, or higher education — re-taking the exam is not required.
What does the CISSP exam cost and can I retake it if I fail?
The CISSP exam fee is $749 USD globally (regional pricing may vary slightly). If you fail you must wait 30 days before retaking, 60 days for a second retake, and 90 days for any subsequent attempts. ISC2 allows a maximum of four attempts in a 12-month period, each at full price. Practice thoroughly before scheduling — at $749 per attempt, retakes add up quickly.
Which CBK domains carry the most weight on CISSP?
The eight domains are: Security and Risk Management (16%), Asset Security (10%), Security Architecture and Engineering (13%), Communication and Network Security (13%), Identity and Access Management (13%), Security Assessment and Testing (12%), Security Operations (13%), and Software Development Security (10%). Security and Risk Management is the largest single domain, so governance, risk concepts, and BCP/DRP are heavily tested. The weightings refreshed on 15 April 2024 — domain names didn't change, only the percentages.
How is the 2024 CISSP different from earlier versions?
The 15 April 2024 refresh kept all eight CBK domain names but rebalanced the weightings (Security and Risk Management grew slightly; Software Development Security and Asset Security stayed at 10%). The CAT engine, question count range (100–150), 3-hour time limit, and 700/1000 passing score are unchanged. Existing CISSP holders are unaffected — no retake required.
Can I retake the CISSP exam if I fail?
Yes. ISC2 imposes graduated retake waits: 30 days after a first failure, 60 days after a second, 90 days after a third. Each attempt costs the full $749 USD fee, and ISC2 limits you to four exam attempts per 12-month period.