CySA+ CS0-004 Exam Format: Questions, Time, PBQs, and Passing Score Explained

Knowing exactly how the exam is built lets you walk in with a plan instead of nerves. This article covers how the CompTIA CySA+ CS0-004 exam is structured — the question count, the time, the performance-based questions (which matter a lot on this exam), and the scoring.

For the wider certification picture, start with the complete CySA+ guide. This piece zooms in on format.

The core numbers

Here's the structure of the current CS0-004 exam — unchanged in format from CS0-003:

• Up to 85 questions. Eighty-five is the maximum; your exam may have slightly fewer.
• 165 minutes. A generous window, but the PBQs and detailed analysis questions use it.
• Multiple-choice and performance-based questions (PBQs). PBQs are interactive, scenario-driven tasks.
• Passing score of 750 on a scale from 100 to 900.

Why PBQs define this exam

CySA+ is a hands-on analyst exam, and its performance-based questions assume you've actually touched the tools. A PBQ might drop you into log data to spot an indicator of compromise, ask you to interpret a packet capture or scan output, walk you through triaging and prioritizing vulnerabilities, or have you sequence an incident response. You can't memorize your way through these — they reward people who have done real SOC work. Reading about a SIEM or Wireshark is not the same as using one.

That single fact should shape your preparation: build a lab and get hands-on. We cover exactly how in the PBQ and hands-on prep guide.

How the scaled score works

The 750 passing mark sits on a 100–900 scale and is weighted by question difficulty, so it isn't a clean percentage. Don't try to reverse-engineer "how many can I miss." Aim for competence across all four domains — and since Security Operations (34%) is the single biggest, weakness there is hard to offset. The full weighting is in the domains breakdown. A common readiness benchmark is consistently scoring around 80% or higher on realistic, full-length practice tests before you book.

The analyst mindset the exam rewards

CySA+ questions rarely test whether you recognize a term — they test whether you can interpret evidence, choose the next best action, and explain the trade-offs. A recurring theme: a high-severity alert isn't always the highest business priority. Practice reading a scenario, distinguishing an event from an alert from an incident, and reasoning to the right response under pressure. That judgment is what separates a pass from a fail.

Pacing strategy for test day

With 165 minutes for up to 85 questions, time pressure is milder than on some exams — but PBQs can still eat it. A dependable approach:

1. Triage the PBQs. Do the ones you can handle; if one is a deep time-sink, flag it and move on rather than stalling early.
2. Work multiple-choice steadily. Read the long analysis scenarios carefully — identify what's actually being asked before weighing options.
3. Return to flagged items with your remaining time.
4. Leave nothing blank. There's no penalty for a wrong answer, so always commit to your best judgment.

Rehearse under the 165-minute clock so the pace and stamina feel routine.

Retake rules

If you don't pass, you can retake after a failure, and each attempt requires a new voucher — unless you bought a voucher with retake assurance up front. Standard CompTIA retake spacing applies (a wait period kicks in from the third attempt onward).

Where format prep fits

Format familiarity is the finishing layer over real analyst skill. Learn the objectives, build hands-on SOC reps, then rehearse full-length timed sessions. Our study plan sequences all of it.

Adaptive practice tells you honestly when you're ready.

Gauge your readiness: CompTIA CySA+ CertMaster Practice (CS0-004) adapts to your weak areas and includes a timed practice test with performance-based questions. When you're consistently clearing your target, book with a CySA+ exam voucher. As an Authorized CompTIA Partner, materials are official.

A note on voucher eligibility: Voucher eligibility depends on your exam testing location, per CompTIA policy. Testing in an emerging-market region? We don't sell those here — contact us.

FAQ

Will I get exactly 85 questions? Eighty-five is the maximum. Your specific exam may have fewer.

How is CS0-004's format different from CS0-003? It isn't — the format (85 questions, 165 minutes, 750 to pass) is identical. The content and domain weights changed, not the structure.

Are PBQs really that important? Yes. CySA+ leans heavily on performance-based questions that assume hands-on tool experience. Lab practice is essential.

What's the passing score? 750 on a 100–900 scaled range — weighted by difficulty, not a raw percentage.

Is there a penalty for guessing? No. Always answer every question, even if it's a best guess.

How do I know when I'm ready? Consistently scoring around 80% or higher on realistic full-length practice tests is a common readiness signal.