This VCP-DCV practice question tests your understanding of vsphere security. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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 vSphere administrator needs to ensure that all virtual machine disks are encrypted at rest. The environment uses a KMS cluster with multiple KMIP-compliant servers. The administrator has already configured a storage policy with encryption enabled. However, newly created VMs on a particular datastore still show unencrypted disks. What is the most likely cause?
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 storage policy with encryption is not assigned to the VMs or their home namespace.
Option D is correct because even when a storage policy with encryption is configured, it must be explicitly assigned to the VMs or their home namespace (the VM's configuration and swap files). If the policy is not assigned, the VM will be created using the default datastore policy, which typically does not include encryption, resulting in unencrypted disks. The administrator must ensure the encryption-enabled policy is applied to the VM during creation or via a storage policy-based management (SPBM) assignment.
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 datastore is a vSAN datastore, which does not support VM-level encryption.
Why it's wrong here
vSAN supports encryption natively, but VM-level encryption is also supported on vSAN.
✗
The KMS cluster must have at least two KMS servers to function correctly.
Why it's wrong here
A single KMS server is sufficient; multiple servers provide redundancy.
✗
The datastore is formatted with VMFS6, which does not support encryption.
Why it's wrong here
VMFS6 supports encryption.
✓
The storage policy with encryption is not assigned to the VMs or their home namespace.
Why this is correct
The encryption-enabled storage policy must be explicitly assigned; otherwise, the default storage policy is used.
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
The trap here is that candidates assume configuring a storage policy with encryption is sufficient, but they forget that the policy must be explicitly assigned to the VM or its home namespace for encryption to take effect.
Detailed technical explanation
How to think about this question
Under the hood, vSphere encryption uses the Key Management Interoperability Protocol (KMIP) to communicate with the KMS, and the encryption keys are wrapped and stored with the VM. The storage policy with encryption must be assigned to the VM's home namespace (where the .vmx and swap files reside) and the virtual disks; if only the disks are encrypted but the home namespace is not, the VM may fail to power on or the disks may remain unencrypted. In real-world scenarios, administrators often overlook assigning the policy to the home namespace, leading to partial encryption or non-compliance.
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 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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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 storage policy with encryption is not assigned to the VMs or their home namespace. — Option D is correct because even when a storage policy with encryption is configured, it must be explicitly assigned to the VMs or their home namespace (the VM's configuration and swap files). If the policy is not assigned, the VM will be created using the default datastore policy, which typically does not include encryption, resulting in unencrypted disks. The administrator must ensure the encryption-enabled policy is applied to the VM during creation or via a storage policy-based management (SPBM) assignment.
What should I do if I get this VCP-DCV question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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