CS0-004問題と解答 & CS0-004問題集無料

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CompTIA CS0-004 Exam Syllabus Topics:

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

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                                  CompTIA Cybersecurity Analyst (CySA+) Certification Exam 認定 CS0-004 試験問題 (Q96-Q101):

                                  質問 # 96
                                  Which of the following best describes a type of risk that exists after mitigations or controls are enacted and implemented?

                                  正解：A

                                  解説：
                                  Residual risk is the risk that remains after security controls, safeguards, or mitigation measures have been implemented. No practical security program can eliminate every threat or vulnerability completely, so organizations evaluate the remaining exposure to determine whether additional treatment is required or whether management can formally accept it.
                                  The distinction from inherent risk is particularly important. Inherent risk represents the level of exposure before controls are applied. For example, an internet-facing application containing sensitive information may have substantial inherent risk. After implementing strong authentication, patching, a web application firewall, monitoring, secure coding controls, and segmentation, its probability and impact of compromise may be reduced-but not eliminated. The remaining exposure is residual risk.
                                  "Acceptable risk" describes risk that falls within an organization's approved tolerance or appetite; residual risk may or may not be acceptable. If the remaining exposure still exceeds tolerance, further controls, avoidance, transfer, or other treatment may be necessary. "Appropriate" is not a formal risk category in this context.
                                  Risk management therefore follows a continuous cycle of identifying inherent exposure, applying controls, measuring the remaining residual exposure , and comparing that level with organizational risk tolerance.
                                  Study Guide Reference: Vulnerability Management # Risk Analysis # Inherent Risk # Mitigating Controls # Residual Risk # Risk Acceptance # Risk Appetite and Tolerance.


                                  質問 # 97
                                  A vulnerability analyst conducts a web application scan on an asset sitting behind a load balancer configured as a pass through:
                                  http://10.203.20.10
                                  The analyst launches the Zed Attack Proxy (ZAP) utility, conducts a scan, and receives the following alert:

                                  Which of the following should the analyst propose as a remediation to the finding while keeping the site operational?

                                  正解：B

                                  解説：
                                  The ZAP finding concerns information disclosure through the HTTP Server response header , so the correct remediation is to suppress or minimize that header while leaving the website operational. OWASP ZAP maintains specific alerts for servers that disclose the web-server application or version through this response field. The version-disclosure rule is categorized as information exposure because detailed server identification can assist reconnaissance and vulnerability targeting.
                                  Removing unnecessary product and version information reduces information available to an attacker without interrupting legitimate HTTP requests. This directly satisfies the requirement to remediate the finding while maintaining service availability.
                                  Geo-blocking does not correct server-version disclosure and may unnecessarily deny legitimate users based on location. OCSP stapling relates to certificate-revocation status in TLS and is irrelevant to an HTTP server- header disclosure. Blocking incoming HTTP entirely would make the current endpoint unavailable, contradicting the requirement to keep the site operational.
                                  The remediation principle is therefore minimize externally exposed implementation details while preserving application functionality . Server banners are not themselves an exploit, but they can improve an attacker's ability to fingerprint technology and select applicable exploits.
                                  Study Guide Reference: Vulnerability Management # Web Application Scanning # OWASP ZAP # Information Disclosure # HTTP Server Headers # Banner Suppression # Secure Configuration.


                                  質問 # 98
                                  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：C

                                  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 # 99
                                  An analyst performs Nmap scans to determine which hosts may need to be targeted to deploy a critical Windows patch. The patch for the vulnerability is to address a critical security flaw that targets open Server Message Block (SMB) ports on Windows systems only. The analyst scans with the following command:
                                  $sudo nmap -Pn 10.203.10.0/24
                                  The analyst then receives the following output:

                                  Which of the following hosts should the analyst prioritize for patching?

                                  正解：A

                                  解説：
                                  10.203.10.11 appears to be a Windows host based on the TTL of 128 and has TCP port 445, the standard SMB port, open.


                                  質問 # 100
                                  A vulnerability analyst must perform a security assessment on an edge device running various services. The analyst runs an Nmap port scan and sees the following output:

                                  Which of the following should the analyst do next to validate the discovered remote access service is secure?

                                  正解：A

                                  解説：
                                  Open UDP port 500 indicates ISAKMP/IKE, commonly used by IPsec VPNs. Main Mode provides a more secure IKE negotiation by protecting peer identity information.


                                  質問 # 101
                                  ......

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