The answer is to check vendor advisory applicability and configuration requirements. This is correct because vulnerability scanners often rely on version detection, which can produce false positives if the device’s firmware or software has been patched or backported without updating the version string. By verifying the exact installed version against the vendor’s advisory, you confirm whether the specific configuration is actually vulnerable, ensuring the finding is valid before closure. On the CompTIA CySA+ CS0-003 exam, this tests your ability to validate a vulnerability finding on a network device by distinguishing between a scanner’s surface-level detection and the real-world state of the device. A common trap is assuming the scanner is always accurate; instead, remember that version-based findings require manual verification. Memory tip: “Patch before you patch” — confirm the patch level against the vendor advisory before closing the ticket.
CS0-003 Vulnerability Management Practice Question
This CS0-003 practice question tests your understanding of vulnerability management. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A scanner reports a critical issue on a network device. Which steps help validate the finding before closure? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Confirm the firmware or software version on the device
Option C is correct because confirming the firmware or software version on the device is a critical validation step. The scanner may report a vulnerability based on version detection, but the actual installed version could differ due to patching or backporting. Verifying the exact version ensures the finding is not a false positive before closure.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Suppress all network-device findings permanently
Why it's wrong here
Permanent suppression hides real exposure.
✗
Close it because the device is expensive
Why it's wrong here
Asset cost does not prove the finding false.
✓
Confirm the firmware or software version on the device
Why this is correct
Version evidence verifies whether the vulnerable build is present.
Related concept
Read the scenario before looking for a memorised answer.
✓
Check vendor advisory applicability and configuration requirements
Why this is correct
Some findings depend on enabled features or specific configurations.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CompTIA often tests the misconception that scanner findings are always accurate and can be closed without manual verification, leading candidates to skip validation steps like version confirmation and vendor advisory checks.
Detailed technical explanation
How to think about this question
Under the hood, vulnerability scanners often use banner grabbing or SNMP queries to determine software versions, but these can be inaccurate if the device has been patched without a version bump (e.g., backported security fixes). In a real-world scenario, a Cisco IOS device might show version 15.0(1) in the banner but have critical patches applied via SMU (Software Maintenance Upgrade), so checking the actual running configuration and advisory applicability is essential to avoid false positives.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security team runs a vulnerability scan on a web application and discovers an unpatched SQL injection flaw. The team prioritises remediation by CVSS score — critical flaws are patched within 24 hours, high within 7 days. Questions like this test whether you understand vulnerability management processes, scanning tools, and remediation prioritisation.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CS0-003 question in full detail.
Vulnerability Management — This question tests Vulnerability Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Confirm the firmware or software version on the device — Option C is correct because confirming the firmware or software version on the device is a critical validation step. The scanner may report a vulnerability based on version detection, but the actual installed version could differ due to patching or backporting. Verifying the exact version ensures the finding is not a false positive before closure.
What should I do if I get this CS0-003 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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