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. A key principle to apply: vulnerability closure requires verification evidence.. 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 business prioritization, Which recommendation gives the best risk-based order of work?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
A retest showing the vulnerable condition is no longer present
Closure should be based on validation evidence, not only a remediation claim.
Wait one year before testing
Why wrong: Delayed validation leaves uncertainty.
Create a duplicate ticket for every asset
Why wrong: Duplicates create noise and do not prove remediation.
Close it immediately based on the email
Why wrong: Claims need verification.
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
A retest is required to confirm that the vulnerability has been successfully remediated. Without a retest, the vulnerability manager cannot verify that the patch was applied correctly or that it did not introduce new issues. This aligns with the vulnerability management lifecycle, where closure is only granted after a validated scan or manual test shows the vulnerable condition is eliminated.
Key principle: Vulnerability closure requires verification evidence.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
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.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Vulnerability closure requires verification evidence.
Wait one year before testing
Why it's wrong here
Delayed validation leaves uncertainty.
Create a duplicate ticket for every asset
Why it's wrong here
Duplicates create noise and do not prove remediation.
Close it immediately based on the email
Why it's wrong here
Claims need verification.
Common exam traps
Cisco often tests the misconception that simply applying a patch or creating a ticket is sufficient for closure, when in fact a retest is the only way to confirm the vulnerability is truly gone.
Detailed technical explanation
In practice, a retest often involves running an authenticated vulnerability scan against the patched asset using tools like Nessus or Qualys, or manually verifying the absence of the vulnerable service or configuration. For example, if the patch addresses a remote code execution flaw in a web server, the retest should confirm that the specific CVE is no longer detected and that the service version has been updated. This step also catches cases where the patch was applied but the service was not restarted, leaving the vulnerability active.
Key takeaway
Vulnerability closure requires verification evidence.
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
Review vulnerability closure requires verification evidence., then practise related CS0-003 questions on the same topic to reinforce the concept.
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FAQ
Vulnerability Management — This question tests Vulnerability Management — Vulnerability closure requires verification evidence..
The correct answer is: A retest showing the vulnerable condition is no longer present — A retest is required to confirm that the vulnerability has been successfully remediated. Without a retest, the vulnerability manager cannot verify that the patch was applied correctly or that it did not introduce new issues. This aligns with the vulnerability management lifecycle, where closure is only granted after a validated scan or manual test shows the vulnerable condition is eliminated.
Review vulnerability closure requires verification evidence., then practise related CS0-003 questions on the same topic to reinforce the concept.
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Vulnerability closure requires verification evidence.
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Last reviewed: Jun 11, 2026
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