This CS0-003 practice question tests your understanding of vulnerability management. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 team says a critical vulnerability was patched. What should the vulnerability manager require before closure? For stakeholder management, Which documentation or approval is required to keep the programme defensible?
Close it immediately based on the email
Why wrong: Claims need verification.
Wait one year before testing
Why wrong: Delayed validation leaves uncertainty.
A retest showing the vulnerable condition is no longer present
Closure should be based on validation evidence, not only a remediation claim.
Create a duplicate ticket for every asset
Why wrong: Duplicates create noise and do not prove remediation.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
A retest showing the vulnerable condition is no longer present
Option C is correct because the vulnerability manager must obtain objective evidence that the vulnerability has been remediated before closing the finding. An email assertion is insufficient; a retest (manual or automated) confirming the vulnerable condition is no longer present provides the verifiable proof required for closure and defensible stakeholder reporting.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Close it immediately based on the email
Why it's wrong here
Claims need verification.
Wait one year before testing
Why it's wrong here
Delayed validation leaves uncertainty.
A retest showing the vulnerable condition is no longer present
Why this is correct
Closure should be based on validation evidence, not only a remediation claim.
Related concept
Read the scenario before looking for a memorised answer.
Create a duplicate ticket for every asset
Why it's wrong here
Duplicates create noise and do not prove remediation.
Common exam traps
Cisco often tests the misconception that a verbal or written assertion from the remediation team is sufficient for closure, when in fact the CompTIA framework requires objective evidence (a retest) to maintain an auditable and defensible vulnerability management program.
Detailed technical explanation
In practice, a retest often involves running the same scan or exploit verification against the patched asset, comparing the result to the original finding. For network-level vulnerabilities, this may use a tool like Nessus or Qualys with a credentialed scan to confirm the patch is installed; for web application flaws, a manual penetration test or automated DAST scan validates that the attack vector is no longer functional. The National Vulnerability Database (NVD) and CVSS scoring both emphasize that remediation verification is a critical step in the vulnerability management lifecycle.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
What to study next
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FAQ
Vulnerability Management — This question tests Vulnerability Management — Read the scenario before looking for a memorised answer..
The correct answer is: A retest showing the vulnerable condition is no longer present — Option C is correct because the vulnerability manager must obtain objective evidence that the vulnerability has been remediated before closing the finding. An email assertion is insufficient; a retest (manual or automated) confirming the vulnerable condition is no longer present provides the verifiable proof required for closure and defensible stakeholder reporting.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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