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CompTIA CS0-004 : CompTIA Cybersecurity Analyst (CySA+) Certification Exam

CS0-004 real exams

Exam Code: CS0-004

Exam Name: CompTIA Cybersecurity Analyst (CySA+) Certification Exam

Updated: Oct 09, 2026

Q & A: 190 Questions and Answers

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CompTIA CS0-004 Exam Syllabus Topics:

SectionWeightObjectives
Security Operations34%- System and Network Architecture in Security Operations
  • 1. Critical infrastructure concepts
    • 2. Infrastructure and system architecture concepts
      • 3. Encryption techniques
        • 4. Operating system concepts
          • 5. Device management concepts
            • 6. Logging concepts
              • 7. Data protection concepts
                • 8. Identity and access management
                  • 9. Network architecture concepts
                    - Indicators of Potential Malicious Activity
                    • 1. Social engineering attacks
                      • 2. Network-related indicators
                        • 3. Unauthorized configuration
                          • 4. Application-related indicators
                            • 5. Identity-based indicators
                              • 6. Host-related indicators
                                • 7. Email-related attacks
                                  • 8. Cloud-related indicators
                                    - Efficiency and Process Improvement in Security Operations
                                    • 1. Technology and tool integration
                                      • 2. Standardize processes
                                        • 3. Streamline operations
                                          • 4. Data enrichment
                                            • 5. Automation and orchestration
                                              - Threat Intelligence and Threat Hunting
                                              • 1. Confidence-level impacts
                                                • 2. Cyber deception
                                                  • 3. Threat modeling
                                                    • 4. Tactics, techniques, and procedures
                                                      • 5. Indicators of compromise
                                                        • 6. Threat mapping
                                                          • 7. Threat actors
                                                            • 8. Collection methods and sources
                                                              - Tools for Determining Malicious Activity
                                                              • 1. User and entity behavior analysis
                                                                • 2. Pattern recognition and suspicious command analysis
                                                                  • 3. Log analysis and SIEM
                                                                    • 4. Decoding and parsing
                                                                      • 5. Domain and IP reputation
                                                                        • 6. Packet analysis
                                                                          • 7. File formats
                                                                            • 8. File analysis
                                                                              • 9. Threat intelligence platforms
                                                                                • 10. Endpoint security
                                                                                  • 11. Programming and scripting languages
                                                                                    • 12. Sandboxing
                                                                                      • 13. Email analysis
                                                                                        - Artificial Intelligence in Security Operations
                                                                                        • 1. AI governance
                                                                                          • 2. AI risks
                                                                                            • 3. AI use cases
                                                                                              Incident Response and Management24%- Incident Response Process
                                                                                              • 1. Analysis
                                                                                                • 2. Recovery
                                                                                                  • 3. Preparation
                                                                                                    • 4. Post-incident activities
                                                                                                      • 5. Eradication
                                                                                                        • 6. Containment
                                                                                                          • 7. Detection
                                                                                                            - Attack Methodology Frameworks
                                                                                                            • 1. MITRE ATT&CK
                                                                                                              • 2. Diamond Model of Intrusion Analysis
                                                                                                                • 3. Cyber Kill Chain
                                                                                                                  - Incident Response Techniques
                                                                                                                  • 1. Timeline, severity, impact, and prioritization
                                                                                                                    • 2. Restoration
                                                                                                                      • 3. Isolation and escalation
                                                                                                                        • 4. Training and exercises
                                                                                                                          • 5. Playbooks and roles
                                                                                                                            • 6. Log collection, correlation, and enrichment
                                                                                                                              • 7. Alerts, notifications, and triage
                                                                                                                                • 8. Incident response and communication plans
                                                                                                                                  • 9. Corrective action development
                                                                                                                                    • 10. Remediation and verification
                                                                                                                                      • 11. Evidence gathering and preservation
                                                                                                                                        • 12. Root cause analysis
                                                                                                                                          Reporting and Communication16%- Vulnerability Management Reporting and Communication
                                                                                                                                          • 1. Inhibitors to remediation
                                                                                                                                            • 2. Metrics and key performance indicators
                                                                                                                                              • 3. Compliance findings
                                                                                                                                                • 4. Stakeholder identification and communication
                                                                                                                                                  • 5. Risk scorecards
                                                                                                                                                    • 6. Vulnerability scan reports
                                                                                                                                                      • 7. Action plans
                                                                                                                                                        - Security Operations and Incident Response Reporting and Communication
                                                                                                                                                        • 1. Metrics and key performance indicators
                                                                                                                                                          • 2. Executive summary
                                                                                                                                                            • 3. Shift and incident handover
                                                                                                                                                              • 4. Post-incident reporting
                                                                                                                                                                • 5. Communication plan
                                                                                                                                                                  • 6. Internal threat intelligence report
                                                                                                                                                                    • 7. Operational security awareness
                                                                                                                                                                      • 8. Incident declaration and escalation
                                                                                                                                                                        Vulnerability Management26%- Control Types, Risks, and Vulnerability Management
                                                                                                                                                                        • 1. Control functions
                                                                                                                                                                          • 2. Risk concepts
                                                                                                                                                                            • 3. Third-party risk
                                                                                                                                                                              • 4. Application security
                                                                                                                                                                                • 5. Policies, governance, and service-level objectives
                                                                                                                                                                                  • 6. Control types
                                                                                                                                                                                    • 7. Risk management strategies
                                                                                                                                                                                      - Vulnerability Assessment Tools
                                                                                                                                                                                      • 1. Multipurpose tools
                                                                                                                                                                                        • 2. Cloud infrastructure assessment tools
                                                                                                                                                                                          • 3. Breach attack simulation tools
                                                                                                                                                                                            • 4. Network scanning and mapping
                                                                                                                                                                                              • 5. Web application scanners
                                                                                                                                                                                                • 6. Vulnerability scanners
                                                                                                                                                                                                  - Vulnerability Prioritization and Mitigation
                                                                                                                                                                                                  • 1. Context awareness
                                                                                                                                                                                                    • 2. Scoring methods
                                                                                                                                                                                                      • 3. Mitigation strategies
                                                                                                                                                                                                        • 4. Vulnerability prioritization criteria
                                                                                                                                                                                                          • 5. Validation of remediation
                                                                                                                                                                                                            - Vulnerability Scanning Methods
                                                                                                                                                                                                            • 1. Asset inventory
                                                                                                                                                                                                              • 2. Discovery
                                                                                                                                                                                                                • 3. Security baseline scanning
                                                                                                                                                                                                                  • 4. Planning considerations
                                                                                                                                                                                                                    • 5. Scan types

                                                                                                                                                                                                                      CompTIA Cybersecurity Analyst (CySA+) Certification Sample Questions:

                                                                                                                                                                                                                      Question #1
                                                                                                                                                                                                                      An analyst reviews the following log entries:

                                                                                                                                                                                                                      Which of the following conclusions should the analyst reach? (Choose two.)

                                                                                                                                                                                                                      A. Domain Controller dc-1 is communicating using a non-standard port.
                                                                                                                                                                                                                      B. Host ws-57 delivered a phishing email via Simple Mail Transfer Protocol.
                                                                                                                                                                                                                      C. Domain Controller dc-1 is performing a network scan against ws-57.
                                                                                                                                                                                                                      D. Domain Controller dc-1 is infected with ransomware and initiating connections with ws-57.
                                                                                                                                                                                                                      E. Host ws-57 is performing a network scan against dc-1.
                                                                                                                                                                                                                      F. Host ws-57 is communicating on a service using a non-standard port.


                                                                                                                                                                                                                      Question #2
                                                                                                                                                                                                                      Which of the following uses simulated traffic to a website to evaluate performance?

                                                                                                                                                                                                                      A. War gaming
                                                                                                                                                                                                                      B. Packet inspection
                                                                                                                                                                                                                      C. Synthetic monitoring
                                                                                                                                                                                                                      D. Log analysis


                                                                                                                                                                                                                      Question #3
                                                                                                                                                                                                                      Which of the following is the most likely reason an organization might implement compensating controls?

                                                                                                                                                                                                                      A. A vulnerability has been fixed, tested, and deployed to production.
                                                                                                                                                                                                                      B. A vulnerability was detected, but the organization has determined the result is a false positive.
                                                                                                                                                                                                                      C. A vulnerability is being actively exploited in the wild, but the organization does not use the affected system.
                                                                                                                                                                                                                      D. A vulnerability does not have a patch, and the system is mission critical.


                                                                                                                                                                                                                      Question #4
                                                                                                                                                                                                                      A BIA document was recently updated to include new critical systems. Which of the following is the most important reason for the update?

                                                                                                                                                                                                                      A. To add the systems to forensic analysis in case of a data breach
                                                                                                                                                                                                                      B. To include vendor-specific IR training in the security budget
                                                                                                                                                                                                                      C. To create a business case that explains the importance of the systems
                                                                                                                                                                                                                      D. To ensure the systems receive the proper priority in a DR scenario


                                                                                                                                                                                                                      Question #5
                                                                                                                                                                                                                      A company wants to implement protection mechanisms after an incident in which customer information was sent to a third party. Which of the following tools should the company implement?

                                                                                                                                                                                                                      A. EDR
                                                                                                                                                                                                                      B. SIEM
                                                                                                                                                                                                                      C. CASB
                                                                                                                                                                                                                      D. DLP


                                                                                                                                                                                                                      Solutions:

                                                                                                                                                                                                                      Question #1
                                                                                                                                                                                                                      Correct Answer: E,F
                                                                                                                                                                                                                      Question #2
                                                                                                                                                                                                                      Correct Answer: C
                                                                                                                                                                                                                      Question #3
                                                                                                                                                                                                                      Correct Answer: D
                                                                                                                                                                                                                      Question #4
                                                                                                                                                                                                                      Correct Answer: D
                                                                                                                                                                                                                      Question #5
                                                                                                                                                                                                                      Correct Answer: D

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