Free CAS-005: CompTIA SecurityX Exam Questions and Answers
CompTIA SecurityX Exam is exam CAS-005, part of the CompTIA certification programme. CompTIA exam codes carry a family prefix and a version number — SY0- for Security+, N10- for Network+, CS0- for CySA+, 220- for A+ — and most Plus-series exams allow 90 minutes for up to 90 questions, mixing multiple choice with performance-based items in a simulated environment.
Looking for CAS-005 exam dumps or ExamTopics CAS-005 questions? These CAS-005 practice questions cover the same ground with verified answers and explanations, a downloadable CAS-005 PDF and a full CAS-005 practice test, kept current as CompTIA updates the exam.
Last updated: November 5, 2026
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Question #1
Employees at a logistics company report that single sign-on to a newly deployed SaaS billing application fails intermittently. The application is configured as a SAML service provider (SP) that trusts the company's identity provider (IdP). Authentication at the IdP succeeds each time, and the signing certificate was validated during setup. A security engineer reviews the SP log: 2026-03-11T08:14:52Z sp-bill01 saml: INFO AuthnResponse received from idp.corp.example 2026-03-11T08:14:52Z sp-bill01 saml: INFO Signature validation: OK 2026-03-11T08:14:52Z sp-bill01 saml: ERROR Assertion rejected: Conditions NotBefore=2026-03-11T08:21:07Z is later than local time 2026-03-11T08:14:52Z Which of the following actions will MOST likely resolve the issue?
Correct answer: A
Explanation
The signature validates, but the assertion's NotBefore time is about six minutes ahead of the SP's local clock, so the SP considers the assertion not yet valid. That points to clock drift on the SP, which is fixed by syncing it to the same time source as the IdP. Lengthening the validity window only moves NotOnOrAfter and does not fix a NotBefore failure.
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Question #2
A payment processor hosts its transaction platform in a single data center. The business requires that the platform survive the complete loss of that data center with a recovery time objective (RTO) of 15 minutes and a recovery point objective (RPO) of near zero. A second data center is available 40 km away over a dedicated low-latency link. Which of the following design changes should the architect implement to meet the requirements? (Choose two.)
Select 2 answers.
Correct answer: A, C
Explanation
A near-zero RPO across sites needs synchronous replication, and a 15-minute RTO needs a running standby with automated failover. RAID 10 protects against disk failure but not the loss of the whole site. Nightly backups restored at a cold site would give an RPO of up to a day and an RTO of many hours.
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Question #3
A SOC analyst is reviewing authentication events for a domain whose account lockout threshold is 5 failed attempts. The SIEM shows the following: 08:02:11 EventID 4625 Account=jlee LogonType=3 Source=203.0.113.45 08:02:41 EventID 4625 Account=mortiz LogonType=3 Source=203.0.113.45 08:03:12 EventID 4625 Account=tpatel LogonType=3 Source=203.0.113.45 08:03:43 EventID 4625 Account=kchen LogonType=3 Source=203.0.113.45 08:04:14 EventID 4624 Account=svc-backup LogonType=3 Source=203.0.113.45 Which of the following BEST describes the activity?
Correct answer: C
Explanation
One failed attempt per account at roughly 30-second intervals from a single address, followed by a success on a different account, is the signature of password spraying, which stays under the lockout threshold. A brute-force attack would show many failures against one account. Pass-the-hash and Kerberoasting do not generate this pattern of 4625 failures with guessed passwords.
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Question #4
A security engineer at a hospital must ensure that only software published by the clinical application vendor can run on a group of Windows servers. The vendor releases patches every month, and each patch changes the hash of most executables. The engineer wants a control that does not need to be rebuilt after every patch cycle. Which of the following would be the BEST way to meet this requirement?
Correct answer: C
Explanation
Allowlisting by publisher certificate permits any binary signed by the vendor, so monthly patches continue to run without rule updates while unsigned or third-party code is blocked. Hash-based rules are also an allowlist, but every patch changes the hashes and forces constant maintenance. A host IPS and file integrity monitoring detect or alert on activity but do not restrict execution to vendor-signed software.
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Question #5
An organization wants to implement a platform to better identify which specific assets are affected by a given vulnerability. Which of the following components provides the best foundation to achieve this goal?
Correct answer: B
Explanation
A Configuration Management Database (CMDB) provides the best foundation for identifying which specific assets are affected by a given vulnerability. A CMDB maintains detailed information about the IT environment, including hardware, software, configurations, and relationships between assets. This comprehensive view allows organizations to quickly identify and address vulnerabilities affecting specific assets. References: • CompTIA SecurityX Study Guide: Discusses the role of CMDBs in asset management and vulnerability identification. • ITIL (Information Technology Infrastructure Library) Framework: Recommends the use of CMDBs for effective configuration and asset management. • "Configuration Management Best Practices" by Bob Aiello and Leslie Sachs: Covers the importance of CMDBs in managing IT assets and addressing vulnerabilities.
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Question #6
The identity and access management team is sending logs to the SIEM for continuous monitoring. The deployed log collector is forwarding logs to the SIEM. However, only false positive alerts are being generated. Which of the following is the most likely reason for the inaccurate alerts?
Correct answer: C
Explanation
Proper parsing of data is crucial for the SIEM to accurately interpret and analyze the logs being forwarded by the log collector. If the data is not parsed correctly, the SIEM may misinterpret the logs, leading to false positives and inaccurate alerts. Ensuring that the log data is correctly parsed allows the SIEM to correlate and analyze the logs effectively, which is essential for accurate alerting and monitoring.
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Question #7
A security analyst discovered requests associated with IP addresses known for born legitimate 3nd bot-related traffic. Which of the following should the analyst use to determine whether the requests are malicious?
Correct answer: A
Explanation
The user-agent string can provide valuable information to distinguish between legitimate and bot-related traffic. It contains details about the browser, device, and sometimes the operating system of the client making the request. Why Use User-Agent String? • Identify Patterns: User-agent strings can help identify patterns that are typical of bots or legitimate users. • Block Malicious Bots: Many bots use known user-agent strings, and identifying these can help block malicious requests. • Anomalies Detection: Anomalous user-agent strings can indicate spoofing attempts or malicious activity. Other options provide useful information but may not be as effective for initial determination of the nature of the request: • B. Byte length of the request: This can indicate anomalies but does not provide detailed information about the client. • C. Web application headers: While useful, they may not provide enough distinction between legitimate and bot traffic. • D. HTML encoding field: This is not typically used for identifying the nature of the request. References: • CompTIA SecurityX Study Guide • "User-Agent Analysis for Security," OWASP • NIST Special Publication 800-94, "Guide to Intrusion Detection and Prevention Systems (IDPS)"
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Question #8
Within a SCADA a business needs access to the historian server in order together metric about the functionality of the environment. Which of the following actions should be taken to address this requirement?
Correct answer: C
Explanation
The best action to address the requirement of accessing the historian server within a SCADA system is to isolate the historian server for connections only from the SCADA environment. Here's why: • Security and Isolation: Isolating the historian server ensures that only authorized devices within the SCADA environment can connect to it. This minimizes the attack surface and protects sensitive data from unauthorized access. • Access Control: By restricting access to the historian server to only SCADA devices, the organization can better control and monitor interactions, ensuring that only legitimate queries and data retrievals occur. • Best Practices for Critical Infrastructure: Following the principle of least privilege, isolating critical components like the historian server is a standard practice in securing SCADA systems, reducing the risk of cyberattacks. • References:
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Question #9
A global manufacturing company has an internal application mat is critical to making products This application cannot be updated and must Be available in the production area A security architect is implementing security for the application. Which of the following best describes the action the architect should take-?
Correct answer: D
Explanation
Creating a separate network for users who need access to the application is the best action to secure an internal application that is critical to the production area and cannot be updated. Why Separate Network? • Network Segmentation: Isolates the critical application from the rest of the network, reducing the risk of compromise and limiting the potential impact of any security incidents. • Controlled Access: Ensures that only authorized users have access to the application, enhancing security and reducing the attack surface. • Minimized Risk: Segmentation helps in protecting the application from vulnerabilities that could be exploited from other parts of the network. Other options, while beneficial, do not provide the same level of security for a critical application: • A. Disallow wireless access: Useful but does not provide comprehensive protection. • B. Deploy intrusion detection capabilities using a network tap: Enhances monitoring but does not provide the same level of isolation and control. • C. Create an acceptable use policy: Important for governance but does not provide technical security controls. References: • CompTIA SecurityX Study Guide • NIST Special Publication 800-125, "Guide to Security for Full Virtualization Technologies" • "Network Segmentation Best Practices," Cisco Documentation
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Question #10
A security officer received several complaints from users about excessive MPA push notifications at night The security team investigates and suspects malicious activities regarding user account authentication Which of the following is the best way for the security officer to restrict MI~A notifications''
Correct answer: D
Explanation
Excessive MFA push notifications can be a sign of an attempted push notification attack, where attackers repeatedly send MFA prompts hoping the user will eventually approve one by mistake. To mitigate this: • A. Provisioning FIDO2 devices: While FIDO2 devices offer strong authentication, they may not be practical for all users and do not directly address the issue of excessive push notifications. • B. Deploying a text message-based MFA: SMS-based MFA can still be vulnerable to similar spamming attacks and phishing. • C. Enabling OTP via email: Email-based OTPs add another layer of security but do not directly solve the issue of excessive notifications. • D. Configuring prompt-driven MFA: This option allows users to respond to prompts in a secure manner, often including features like time-limited approval windows, additional verification steps, or requiring specific actions to approve. This can help prevent users from accidentally approving malicious attempts. Configuring prompt-driven MFA is the best solution to restrict unnecessary MFA notifications and improve security. References: • CompTIA Security+ Study Guide • NIST SP 800-63B, "Digital Identity Guidelines" • "Multi-Factor Authentication: Best Practices" by Microsoft
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Discussion
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FAQ
Learn More: https://www.comptia.org/certifications
- Q1: What is the CAS-005: CompTIA SecurityX Exam exam?
- A: CAS-005: CompTIA SecurityX Exam is a CompTIA certification exam. Judging by the questions in our bank, it concentrates on analyst, engineer, architect, vulnerabilities and repository.
- Q2: What topics does the CAS-005: CompTIA SecurityX Exam exam cover?
- A: Questions in our CAS-005: CompTIA SecurityX Exam bank cluster around analyst, engineer, architect, vulnerabilities, repository, vulnerability, countries and reviewing. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for CAS-005: CompTIA SecurityX Exam?
- A: Work through the CAS-005: CompTIA SecurityX Exam practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real CAS-005: CompTIA SecurityX Exam exam questions?
- A: They are drawn from officially released past questions and from community members who have sat CAS-005: CompTIA SecurityX Exam. Answers are verified and updated weekly.
- Q5: Where do I register for the CAS-005: CompTIA SecurityX Exam exam?
- A: Register through CompTIA directly. Exampractice is not affiliated with CompTIA and does not administer the exam.
- Q6: Is there a free CAS-005: CompTIA SecurityX Exam sample?
- A: Yes. Every CAS-005: CompTIA SecurityX Exam page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are CompTIA Certification Exams?
- A: CompTIA Certification Exams validate your expertise in various IT disciplines, including networking, security, cloud computing, and IT support. These certifications demonstrate your proficiency in applying best practices and industry standards to manage and troubleshoot IT environments.
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- A: CompTIA Certification enhances your professional credibility, showcasing your skills and knowledge in essential IT areas. This can lead to better job opportunities, higher salaries, and career advancement in IT support, networking, cybersecurity, and cloud computing fields.
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- A: Benefits include recognition as a certified IT professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest IT industry trends and best practices.
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- A: IT professionals, network administrators, cybersecurity experts, cloud engineers, and anyone involved in managing and supporting IT infrastructure should consider these certifications to validate their expertise and advance their careers.
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- A: CompTIA Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest IT technologies and industry practices.