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CompTIA CS0-004 Exam Syllabus Topics:

SectionWeightObjectives
Incident Response and Management24%- Incident Investigation
  • 1. Post-incident activities and lessons learned
    • 2. Digital evidence and forensic considerations
      - Incident Response Processes
      • 1. Incident detection, containment, eradication, and recovery
        • 2. Incident response tools and techniques
          Reporting and Communication16%- Reporting
          • 1. Vulnerability and incident reports
            • 2. Metrics, trends, and recommendations
              - Communication
              • 1. Technical and executive-level communication
                • 2. Stakeholder communication and escalation
                  Security Operations34%- Threat Intelligence and Hunting
                  • 1. Threat intelligence concepts and sources
                    • 2. Threat hunting, detection, and response tools
                      - Security Operations and Architecture
                      • 1. Logging, monitoring, and network architecture
                        • 2. Indicators of malicious activity and analysis
                          Vulnerability Management26%- Vulnerability Assessment
                          • 1. Scanning methods and vulnerability identification
                            • 2. Vulnerability analysis and validation
                              - Vulnerability Response
                              • 1. Risk prioritization and remediation
                                • 2. Security controls and mitigation

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                                  CompTIA Cybersecurity Analyst (CySA+) Certification Exam 認定 CS0-004 試験問題 (Q174-Q179):

                                  質問 # 174
                                  Due to some incidents involving non-authorized devices, a company wants to implement a solution that only allows access to its LAN and Wi-Fi if certain policies are matched. Which of the following is the best solution to implement?

                                  正解：B

                                  解説：
                                  Network Access Control (NAC) enforces security policies before allowing devices to connect to wired or wireless networks. It can verify device compliance, authentication status, and other security requirements, ensuring that only authorized and compliant devices are granted access to the LAN and Wi-Fi network.


                                  質問 # 175
                                  A vulnerability analyst conducts a security assessment on the Remote Desktop Protocol (RDP) security posture within the environment. The analyst issues the following command for the assessment:
                                  nmap -p 3389 --script rdp* 10.0.0.0/24
                                  The analyst receives responses, which are divided into one of the two categories, from 13 out of the 254 hosts:

                                  Which of the following conclusions can the analyst make about the output on Category 2?

                                  正解：D

                                  解説：
                                  The rdp-ntlm-info output identifies LOCALHOST as the domain and target name, indicating a local workgroup rather than Active Directory. The script output also confirms NTLM authentication.


                                  質問 # 176
                                  Which of the following is the most comprehensive type of report associated with a closed incident?

                                  正解：D

                                  解説：
                                  An after-action report (AAR) is the most comprehensive document associated with a closed incident because it consolidates the incident itself, the response activities performed, recovery actions, outcomes, deficiencies, and lessons identified during the event. NIST Cybersecurity Framework guidance specifically calls for preparing an after-action report that documents the incident, response and recovery activities, and lessons learned.
                                  A lessons-learned document focuses primarily on what worked, what failed, and what should be improved.
                                  Those observations are important, but they represent only one component of a complete post-incident record.
                                  Root cause analysis has a narrower technical purpose: determining the fundamental condition that permitted the incident to occur or progress. A situation report is generally produced while an incident is ongoing to communicate current status, impact, actions, and outstanding issues.
                                  An AAR is broader because it can incorporate the timeline, technical findings, containment and eradication actions, recovery results, stakeholder performance, root cause, lessons learned, and assigned corrective actions. NIST exercise guidance likewise treats lessons learned as information that becomes part of an after- action report.
                                  Study Guide Reference: Reporting and Communication # Post-Incident Reporting # After-Action Reports
                                  # Lessons Learned # Root Cause Analysis # Corrective Actions.


                                  質問 # 177
                                  A security operations (SOC) manager develops response mechanisms as part of playbook development efforts. The SOC manager needs to accomplish the following:
                                  - Document adversarial activities.
                                  - Map adversarial activities to a linear progression of sequential phases.
                                  - Provide broad coverage of threat actions without addressing specific
                                  tactics, techniques, and procedures (TTPs).
                                  Which of the following is the most reliable source for this information?

                                  正解：A

                                  解説：
                                  The Cyber Kill Chain documents adversarial activities as a linear sequence of phases, providing a high-level view of threat progression without focusing on detailed tactics, techniques, or procedures.


                                  質問 # 178
                                  Cybersecurity analysts determine that SIEM alerts are true positives and an internal application is being attacked. Which of the following is a critical step to understanding the impact on the business at this stage?

                                  正解：D

                                  解説：
                                  Identifying stakeholders is critical for understanding the business impact of an attack because stakeholders can provide information about the application's role, the business processes it supports, the data it handles, and the operational consequences of disruption. This information helps determine the severity and scope of the incident and guides response priorities.


                                  質問 # 179
                                  ......

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