CompTIA CS0-004問題無料、CS0-004出題内容

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CompTIA CS0-004 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Vulnerability Management26%- Vulnerability Assessment and Remediation
  • 1. Vulnerability Prioritization and Risk Assessment
  • 2. Vulnerability Scanning and Assessment
  • 3. Remediation Verification and Tracking
  • 4. Cloud and Container Security Vulnerabilities
Topic 2: Incident Response and Management24%- Incident Handling and Investigation
  • 1. Evidence Collection and Forensic Fundamentals
  • 2. Incident Response Lifecycle and Frameworks
  • 3. Post-Incident Activities and Lessons Learned
  • 4. Containment, Eradication, and Recovery
Topic 3: Reporting and Communication16%- Documentation and Stakeholder Communication
  • 1. Incident Reporting Requirements and Compliance
  • 2. Risk Communication to Technical and Business Audiences
  • 3. Security Reporting and Documentation
Topic 4: Security Operations34%- Security Monitoring and Analysis
  • 1. Endpoint, Network, and Cloud Monitoring
  • 2. SOAR, EDR, and XDR Concepts
  • 3. SIEM Implementation and Analysis
  • 4. System and Network Architecture Security
  • 5. Threat Detection and Threat Hunting

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CS0-004出題内容、CS0-004最新関連参考書

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam 認定 CS0-004 試験問題 (Q40-Q45):

質問 # 40
A security operations center analyst must determine which threat actor is targeting their industry based on similar attack vectors. Which of the following provides the best intelligence for attribution?

正解：D

解説：
Tactics, techniques, and procedures describe the behavioral patterns, methods, and operational approaches used by threat actors during attacks. These patterns are often consistent across campaigns and are widely used in threat intelligence to associate activity with specific threat groups, making them highly effective for attribution and identifying which actors are targeting a particular industry.


質問 # 41
Which of the following is a reason the false-positive rate is an important metric for incident response reporting and communication?

正解：C

解説：
A high false-positive rate leads to unnecessary investigation of benign alerts, consuming analyst time and resources, which reduces overall efficiency and can delay response to actual threats.


質問 # 42
Which of the following is an example of the shift-left concept as it pertains to the SDLC?

正解：C

解説：
Shift-left emphasizes integrating security activities as early as possible in the Software Development Life Cycle (SDLC). Scanning code for exposed API keys when it is committed to the development repository identifies security issues during development, allowing them to be remediated before reaching later testing or production stages.


質問 # 43
A security architect works with a client on security operations center (SOC) capabilities. The security architect wants to ensure the log correlation and investigation activities are accurate across the infrastructure.
Which of the following is the best for the client to implement?

正解：D

解説：
Accurate time synchronization is essential for reliable log correlation, making Network Time Protocol the best answer. Security investigations routinely combine events from endpoints, servers, authentication infrastructure, firewalls, cloud services, intrusion-detection systems, and other platforms. If those systems maintain inconsistent clocks, the apparent order of events may be incorrect, making it difficult to reconstruct an attack timeline or correlate activity across multiple sources.
NTP is specifically designed to synchronize computer clocks across distributed systems. RFC 5905 defines NTPv4 as a protocol used to synchronize clocks across internet-connected systems. Synchronized timestamps enable the SOC to determine whether events occurring on separate systems actually belong to the same sequence-for example, authentication followed by process execution, lateral movement, and a subsequent network connection.
ZTNA controls access according to Zero Trust principles but does not synchronize timestamps. Account federation addresses identity interoperability. SASE combines network and security services for distributed environments. APIs can integrate tools and exchange information, but integrated data remains difficult to correlate accurately if each system's timestamps are inconsistent.
For forensic and operational analysis, a consistent time reference is therefore foundational to timeline reconstruction, event sequencing, SIEM correlation, and evidentiary accuracy .
Study Guide Reference: Security Operations # Logging and Monitoring # Time Synchronization # NTP # SIEM Correlation # Timeline Analysis.


質問 # 44
An analyst reviews the following log entries:

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

正解：B、C

解説：
ws-57 connects to many common service ports on dc-1 within seconds, indicating a port scan. It also uses HTTPS over port 53, which is a non-standard port for HTTPS.


質問 # 45
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