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| Section | Weight | Objectives |
|---|---|---|
| Vulnerability Management | 26% | - Vulnerability Assessment and Remediation
|
| Security Operations | 34% | - Security Monitoring and Analysis
|
| Reporting and Communication | 16% | - Documentation and Stakeholder Communication
|
| Incident Response and Management | 24% | - Incident Handling and Investigation
|
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NEW QUESTION # 55
Which of the following is a reason the false-positive rate is an important metric for incident response reporting and communication?
Answer: A
Explanation:
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.
NEW QUESTION # 56
A company migrated its email solution from hybrid to on premises only. The administrator made the following changes:
Hybrid, before the migration:
- v=spf1 include:cloud.mailprovider.com ip4:200.100.50.25/32 -all
On premises, after the migration:
- v=spf1 ip4:200.100.50.25/32 -all
A few weeks after the migration, multiple clients report that the company's emails are being marked as spam. The systems administrator notices that the SPF record has been manipulated by a threat actor who is spoofing the company's domain. The unauthorized change:
- v=spf1 include:cloud.mailprovider.com ip4:100.50.25.10 -all
Which of the following explains the reason legitimate emails are being marked as spam?
Answer: B
Explanation:
After the unauthorized change, the SPF record no longer contained the company's legitimate mail server IP address (200.100.50.25). As a result, emails sent from the company's actual mail server failed SPF validation checks at receiving mail systems, causing those messages to be treated as suspicious and frequently marked as spam.
NEW QUESTION # 57
A SOC analyst scans a group of servers to search for vulnerabilities. After analyzing the output, the analyst realizes that some OS versions were not detected properly. Which of the following is the best option to increase the accuracy of the scan?
Answer: A
Explanation:
Credentialed scans authenticate to the target systems and can directly query the operating system for detailed configuration and version information. This provides much more accurate results than unauthenticated scanning and helps correctly identify OS versions, installed software, and vulnerabilities.
NEW QUESTION # 58
Law enforcement subpoenas a company in order to obtain all records related to the activities a threat actor performed using the IP address 154.21.154.21. Which of the following should an analyst perform first?
Answer: D
Explanation:
A legal hold should be established first to ensure that all relevant records, logs, and evidence related to the investigation are preserved and protected from deletion or modification. Once preservation requirements are in place, evidence can be collected and handled according to forensic and legal procedures.
NEW QUESTION # 59
A security operations center analyst receives an alert from the security information and event management system. The analyst quickly reviews the alert and sees a workstation infected with malware. The analyst then uses the endpoint detection and response tool to isolate the workstation from the network.
Which of the following best describes the steps that occurred in this scenario?
Answer: A
Explanation:
The sequence is detection, analysis, and containment . First, the SIEM generates an alert indicating potentially malicious activity. This represents detection because the security monitoring infrastructure has identified a condition requiring investigation.
The analyst then reviews the alert and determines that the workstation is infected with malware. That validation and interpretation constitute analysis . Analysis establishes whether an alert represents a true incident, determines affected assets, and develops sufficient understanding to choose an appropriate response.
Finally, the analyst uses the EDR platform to isolate the workstation from the network. Isolation is a classic containment action because it prevents the infected endpoint from communicating with other systems, spreading malware, exfiltrating data, or maintaining command-and-control communications while the investigation continues.
Eradication has not yet occurred because the scenario does not indicate that the malware, persistence, compromised credentials, or root cause has been removed. Recovery also has not occurred because the system has not been restored to normal service.
NIST's current incident-response model explicitly emphasizes Detect, Respond, and Recover and includes containment and eradication within incident-response activities.
Study Guide Reference: Incident Response and Management # Detection # Analysis # Containment # Endpoint Isolation # Eradication # Recovery.
NEW QUESTION # 60
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