80 practice questions for the CertNexus CyberSec First Responder (CFR-410), with full explanations.
Every question comes with the correct answer, the reasoning behind it, and a short note on why each wrong option is wrong. Work through it once with the answers, then again with the questions-only copy under exam conditions.
- 80 questions mapped to the CFR-410 exam objectives
- Answers and explanations for every question, including the wrong options
- A questions-only PDF for timed practice runs
- Instant delivery by email the moment you check out
- Free monthly updates for as long as the exam is live
- Pass or your money back
A CFR-410 voucher is US$367.50 from the CertNexus store. This pack is US$39, paid once.
Last updated September 2026 · 80 questions
What makes the CFR-410 hard
The name misleads people. “First Responder” suggests an exam about responding, but Respond is only 19% of it. Protect is the largest domain at 24% and Identify is 22%, so 46% of the exam sits before an incident ever happens. The five domains are the NIST Cybersecurity Framework functions (Identify, Protect, Detect, Respond and Recover), and CertNexus recommends you understand the NIST CSF before you sit.
Scoring is unusual. The passing score is 70% or 73% depending on which exam form you get, and CertNexus states the forms are statistically equated. You will not know which form you are sitting, so the safe target is 73%, which is 59 of the 80 items.
The clock is tighter than it looks. The 120 minutes includes 5 minutes for the Candidate Agreement and 5 minutes for the Pearson VUE tutorial, so 80 items get about 110 minutes, roughly 82 seconds each. Items mix multiple choice with multiple response, so some ask for more than one answer.
The blueprint is specific: Nessus and Nmap, SPAN ports and TAP devices for live packet capture, CVSS, CVE, CWE and CAPEC, threat modelling and TTPs, log collection and analysis, IDS/IPS and defence in depth, forensically sound duplication of evidence, memory forensics, and disaster recovery and continuity of operations planning. Privacy and security law is in there too, with GDPR, HIPAA and COPPA named outright. Very little CFR-410 material circulates compared with the big vendor exams, which is why every option in this pack has its reasoning written out.
About the exam
CFR-410 is the current CyberSec First Responder exam from CertNexus, launched in March 2022 with the sunset date still listed as TBD. CertNexus holds ANAB accreditation under ISO/IEC 17024 for it, the certification is DoD 8140 approved, and the blueprint maps to the DoD 8570.01-M baselines for CSSP Analyst, CSSP Infrastructure Support, CSSP Incident Responder and CSSP Auditor. It is aimed at cybersecurity professionals with roughly three to five years of experience in a CERT, CSIRT, SOC or cybersecurity team. There are no formal prerequisites, application fee or eligibility checks before you book.
Ira Verma –
I wasn’t sure if I’d be able to pass, but the study material was clear and helped me understand everything better. After practicing, I felt well-prepared and passed without issue.