This VCP-DCV practice question tests your understanding of vsphere security. 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.
An administrator is troubleshooting a failed VM encryption operation. The key provider status shows as 'Not Responding' in the vSphere Web Client. The administrator has verified network connectivity between the ESXi hosts and the key provider. What is the most likely cause of the failure?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The key provider certificate is expired or invalid
Option C is correct because the key provider certificate may be expired or invalid, causing the hosts to reject the connection even if network is reachable. Option A is wrong because ESXi hosts do not need an internet connection for on-premises KMS. Option B is wrong because vCenter Server does not manage key provider certificates directly. Option D is wrong because a firewall rule blocking the correct port would typically show as 'Unreachable' rather than 'Not Responding'.
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.
✗
The vCenter Server certificate has expired
Why it's wrong here
vCenter Server certificate expiration does not affect key provider status.
✗
The firewall on the key provider is blocking port 443
Why it's wrong here
A blocked port would show as 'Unreachable', not 'Not Responding'.
✗
The ESXi hosts cannot reach the internet
Why it's wrong here
Internet access is not required for on-premises KMS.
✓
The key provider certificate is expired or invalid
Why this is correct
Expired or invalid KMS certificate causes hosts to reject connections.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Command / output trap
A blocked port would show as 'Unreachable', not 'Not Responding'.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 practitioner preparing for the VCP-DCV exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which VCP-DCV exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
vSphere Security — This question tests vSphere Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The key provider certificate is expired or invalid — Option C is correct because the key provider certificate may be expired or invalid, causing the hosts to reject the connection even if network is reachable. Option A is wrong because ESXi hosts do not need an internet connection for on-premises KMS. Option B is wrong because vCenter Server does not manage key provider certificates directly. Option D is wrong because a firewall rule blocking the correct port would typically show as 'Unreachable' rather than 'Not Responding'.
What should I do if I get this VCP-DCV question wrong?
Identify which VCP-DCV exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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