Simulate the real CompTIA CySA+ CS0-004 exam with full-length timed sessions. Questions drawn proportionally from all 4 official blueprint domains — the same mix you'll face on test day.
Simulate real exam conditions
For the most realistic CS0-004 simulation, start a 60 or 120-question session, put away all notes, set a timer matching the real exam duration (165 minutes), and commit to each answer before moving forward. This trains the time management and decision-making skills the real exam tests.
This free CS0-004 mock exam uses the same question distribution as the real CompTIA CySA+ CS0-004 exam. Each session draws questions proportionally from all 4 official blueprint domains published by CompTIA, so the topic mix you see accurately reflects what you'll face on test day.
CS0-004 Domain Distribution
Security Operations
Vulnerability Management
Incident Response and Management
Reporting and Communication
Every question is written by certified engineers against the 2026 CS0-004 exam objectives. These are original practice questions — not dumps — so you build real understanding rather than memorising answers.
Both the mock exam and practice test use the same question bank. The difference is in how you use them — and when to use each during your CS0-004 study plan.
Practice test — for learning
Use the CS0-004 practice test when you are studying a domain. Answer questions, read every explanation immediately, and build understanding. Do 10–30 questions per domain per session. This is your primary study tool for the first 4 weeks.
Go to practice test →Mock exam — for simulation
Use the CS0-004 mock exam in the final 1–2 weeks before your test date. Complete a 60 or 120-question session without stopping, manage your time, then review all results at the end. This builds exam-day stamina and surfaces final weak spots.
Start 120-question mock →Try these sample questions from the mock exam bank. Commit to an answer before revealing the explanation.
An analyst is using AWS GuardDuty and sees a finding that an EC2 instance is communicating with a known command-and-control (C2) IP address. What type of alert is this?
Select an answer to reveal the explanation
During a network traffic analysis, a security analyst observes repeated connections from an internal host to a known malicious IP on port 4444. The payload appears to be encrypted. Which type of activity is most likely indicated?
Select an answer to reveal the explanation
An analyst is creating a YARA rule to detect a specific malware family that uses the string 'evil' in its PE file. Which of the following rule structures is correct?
Select an answer to reveal the explanation
Which of the following is a persistence mechanism that involves modifying the Windows Registry to execute a program when a user logs in?
Select an answer to reveal the explanation
A security analyst is reviewing a vulnerability scan report and notices a plugin that identifies a critical vulnerability with a CVSS v3.1 base score of 9.8. The CVSS vector string is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Which attack vector is indicated?
Select an answer to reveal the explanation
A vulnerability scanner reports a finding with a CVSS v3.1 base score of 7.5 and vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. What does this indicate about the vulnerability?
Select an answer to reveal the explanation
Which of the following is the BEST description of configuration drift?
Select an answer to reveal the explanation
A vulnerability management team is evaluating whether to apply a patch immediately or implement a compensating control. The patch is for a vulnerability in a legacy system that cannot be taken offline during business hours. The compensating control would involve restricting network access to the system. Which decision is MOST appropriate?
Select an answer to reveal the explanation
During the detection and analysis phase of incident response, a security analyst identifies suspicious outbound traffic from a finance workstation to a known malicious IP address at 2:00 AM. The analyst checks the firewall logs and sees a single connection. Which action should the analyst take FIRST according to NIST SP 800-61?
Select an answer to reveal the explanation
An incident responder is called to a server room where a critical database server is exhibiting signs of compromise. The responder must preserve evidence while preventing further damage. Which of the following is a short-term containment strategy that also preserves evidence?
Select an answer to reveal the explanation
During a forensic investigation, an analyst needs to acquire volatile memory from a compromised Linux server running a critical application. The server cannot be powered off. Which tool should the analyst use to capture memory with the least impact on the system?
Select an answer to reveal the explanation
During an incident response, the SOC team identifies a data breach involving customer PII. Under GDPR, what is the maximum time frame to notify the supervisory authority?
Select an answer to reveal the explanation
After a security incident, which component of the incident report provides a chronological sequence of events from detection to recovery?
Select an answer to reveal the explanation
Answer all 13 questions to see your domain score breakdown
Sitting the CS0-004 under real exam conditions is a skill in itself. Candidates who underperform often do so not because of knowledge gaps, but because of poor time management or test anxiety. Use your final mock exam sessions to address both.
The CS0-004 exam lasts 165 minutes. Do not spend more than 90 seconds on any single question on the first pass. Flag difficult ones and return to them after completing the rest.
On every question, immediately eliminate obviously wrong choices. Even if you are unsure between two options, narrowing to two doubles your odds. Most CS0-004 distractors contain a subtle error — re-read the scenario constraint before committing to the answer that sounds most familiar.
CompTIA writes many CS0-004 questions as realistic scenarios. Read the final sentence first — it tells you what is being asked. Then re-read the scenario with the question in mind to avoid wasting time on irrelevant details.
The real CS0-004 is a mental marathon lasting 165 minutes. In the week before your exam, complete at least two full timed mock sessions on separate days to build concentration stamina. If you cannot stay focused for 165 minutes in practice, you will struggle on exam day.
Questions
85
On the real exam
Time limit
165 min
1.9 min per question
Passing score
750/1000
Scaled scoring
The CS0-004 uses scaled scoring — your raw percentage correct is converted to a score out of 1000. Consistently scoring above 80% on mock exams puts you well above the 750/1000 threshold, giving you a buffer for any unexpected question types on the real exam.
Yes. Courseiva provides free CS0-004 mock exam questions across all official exam domains. The platform includes timed simulation, per-domain score breakdown, missed-question review, and readiness tracking. No account required — free forever, supported by advertising.
The practice test is optimised for learning: you see explanations after each question immediately. The mock exam is optimised for simulation: you answer all questions under time pressure and review at the end. Use practice tests for studying and mock exams for benchmarking.
Aim for consistent scores of 80% or above on full-length CS0-004 mock exams before booking your test date. The official passing score of 750/1000 corresponds to roughly 72–75% correct answers, so an 80% buffer accounts for difficulty variation and question styles on the real exam.
Most candidates who pass CS0-004 on their first attempt complete 3–5 full-length mock exams in the two weeks before their test. This is enough to identify final weak spots, build stamina, and verify readiness without over-stressing or running out of fresh questions.
No — all Courseiva questions are original, written by certified engineers against public CompTIA exam blueprints. Exam dumps are memorised real exam questions shared illegally. Using dumps violates your CompTIA certification agreement and can result in your certification being revoked. Our questions make you genuinely competent, not just test-day lucky.
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