Question 243 of 521

vSphere Security →hardMultiple ChoiceObjective-mapped

VCP-DCV vSphere Security Practice Question

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.

A financial institution operates a vSphere 7 environment with 1,000 VMs, many of which process sensitive data. The security team mandates VM encryption at rest using a Key Management Server (KMS) cluster. The administrator has configured the KMS cluster as a key provider in vCenter and enabled encryption on a test VM, which works correctly. However, after adding a new ESXi host to the cluster and attempting to power on a previously encrypted VM, the VM fails to start with the error: 'Key provider unavailable for host <hostname>.' The new host is correctly licensed for encryption and has network connectivity to the KMS. The administrator verifies that the KMS cluster is operational and that other hosts can power on encrypted VMs. What is the most likely cause of this issue?

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.

A
The ESXi host has not been added to the Key Provider's trust list or KMS configuration.
Hosts must be trusted by the KMS to retrieve keys; a newly added host is not automatically trusted.
B
The ESXi host's firewall is blocking outbound connections to the KMS cluster.
Why wrong: The administrator verified network connectivity, so firewall is not the issue.
C
The ESXi host does not have the required encryption feature license.
Why wrong: The administrator verified the host is correctly licensed for encryption.
D
The VM's encryption policy is set to 'vSphere Native Key Provider' instead of 'KMS'.
Why wrong: The VM was originally encrypted using the KMS, so the policy is correct; the error is host-specific.

Full breakdown with real-world context →

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

The ESXi host has not been added to the Key Provider's trust list or KMS configuration.

Option A is correct because when a new ESXi host is added to the cluster, it must be added to the Key Provider's trust list or the KMS must be configured to trust the host's certificate. Without this, the host cannot retrieve keys from the KMS, even though it has network connectivity and is properly licensed. Option B is incorrect: a firewall issue would typically cause a connection timeout or refusal error, not a 'key provider unavailable' error. Option C is incorrect because the host is verified to have the correct encryption license. Option D is incorrect because the error indicates the KMS is not available to that host, not a policy mismatch.

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 ESXi host has not been added to the Key Provider's trust list or KMS configuration.
Why this is correct
Hosts must be trusted by the KMS to retrieve keys; a newly added host is not automatically trusted.
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.
✗
The ESXi host's firewall is blocking outbound connections to the KMS cluster.
Why it's wrong here
The administrator verified network connectivity, so firewall is not the issue.
✗
The ESXi host does not have the required encryption feature license.
Why it's wrong here
The administrator verified the host is correctly licensed for encryption.
✗
The VM's encryption policy is set to 'vSphere Native Key Provider' instead of 'KMS'.
Why it's wrong here
The VM was originally encrypted using the KMS, so the policy is correct; the error is host-specific.

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.

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.

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FAQ

Questions learners often ask

What does this VCP-DCV question test?

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 ESXi host has not been added to the Key Provider's trust list or KMS configuration. — Option A is correct because when a new ESXi host is added to the cluster, it must be added to the Key Provider's trust list or the KMS must be configured to trust the host's certificate. Without this, the host cannot retrieve keys from the KMS, even though it has network connectivity and is properly licensed. Option B is incorrect: a firewall issue would typically cause a connection timeout or refusal error, not a 'key provider unavailable' error. Option C is incorrect because the host is verified to have the correct encryption license. Option D is incorrect because the error indicates the KMS is not available to that host, not a policy mismatch.

What should I do if I get this VCP-DCV question wrong?

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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