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CompTIA CS0-003 Dumps

CompTIA CS0-003 Practice Exam Questions

CompTIA CyberSecurity Analyst CySA+ Certification Exam

Total Questions : 433
Update Date : December 10, 2025
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CompTIA CS0-003 Sample Question Answers

Question # 1

 An email hosting provider added a new data center with new public IP addresses. Which of the following most likely needs to be updated to ensure emails from the new data center do not get blocked by spam filters?

A. DKIM 
B. SPF 
C. SMTP
 D. DMARC 



Question # 2

 Which of the following attributes is part of the Diamond Model of Intrusion Analysis?

A. Delivery 
B. Weaponization y
C. Command and control 
D. Capabilit



Question # 3

An organization has a critical financial application hosted online that does not allow event logging to send to the corporate SIEM. Which of the following is the best option for the security analyst to configure to improve the efficiency of security operations?

 A. Configure a new SIEM specific to the management of the hosted environment. 
B. Subscribe to a threat feed related to the vendor's application. 
C. Use a vendor-provided API to automate pulling the logs in real time. 
D. Download and manually import the logs outside of business hours.



Question # 4

A security analyst needs to secure digital evidence related to an incident. The security analyst must ensure that the accuracy of the data cannot be repudiated. Which of the following should be implemented?

A. Offline storage 
B. Evidence collection 
C. Integrity validation 
D. Legal hold



Question # 5

A new cybersecurity analyst is tasked with creating an executive briefing on possible threats to the organization. Which of the following will produce the data needed for the briefing?

A. Firewall logs 
B. Indicators of compromise 
C. Risk assessment 
D. Access control lists 



Question # 6

 Which of the following would an organization use to develop a business continuity plan? 

A. A diagram of all systems and interdependent applications 
B. A repository for all the software used by the organization 
C. A prioritized list of critical systems defined by executive leadership 
D. A configuration management database in print at an off-site location



Question # 7

 A user downloads software that contains malware onto a computer that eventually infects numerous other systems. Which of the following has the user become?

A. Hacklivist 
B. Advanced persistent threat 
 C. Insider threat 
D. Script kiddie



Question # 8

Which of the following is most appropriate to use with SOAR when the security team would like to automate actions across different vendor platforms?

A. STIX/TAXII 
B. APIs 
C. Data enrichment 
D. Threat feed 



Question # 9

Which of the following best explains the importance of utilizing an incident response playbook?

 A. It prioritizes the business-critical assets for data recovery. 
B. It establishes actions to execute when inputs trigger an event. 
C. It documents the organization asset management and configuration. 
D. It defines how many disaster recovery sites should be staged.



Question # 10

A list of loCs released by a government security organization contains the SHA-256 hash for a Microsoft-signed legitimate binary, svchost. exe. Which of the following best describes the result if security teams add this indicator to their detection signatures?

A. This indicator would fire on the majority of Windows devices. 
B. Malicious files with a matching hash would be detected. 
C. Security teams would detect rogue svchost. exe processesintheirenvironment. 
D. Security teams would detect event entries detailing executionofknown-malicioussvchost. exe processes.