VCP-DCV Configure and Manage vSphere Storage Practice Question
This VCP-DCV practice question tests your understanding of configure and manage vsphere storage. 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 vSphere administrator has a VMFS6 datastore that is running low on space. The storage array has additional unallocated LUNs. The administrator attaches a new 2 TB LUN to the ESXi host. What is the correct procedure to increase the datastore capacity?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the 'Increase datastore capacity' wizard to add the LUN as an extent
VMFS6 supports online extension by expanding the extent. Option B is correct. Option A (migrating VMs) is unnecessary. Option C (unmount and extend) is not required. Option D (convert to VMFS5) is wrong and would lose data.
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.
✓
Use the 'Increase datastore capacity' wizard to add the LUN as an extent
Why this is correct
VMFS can be extended online by adding an extent.
Related concept
Read the scenario before looking for a memorised answer.
✗
Unmount the datastore, expand the VMFS partition, then remount
Why it's wrong here
Unmounting is disruptive and not required for VMFS6.
✗
Recreate the datastore with a larger block size and restore from backup
Why it's wrong here
Destructive and unnecessary.
✗
Create a new datastore on the LUN and use Storage vMotion to migrate VMs
Why it's wrong here
This is more complex than extending the existing datastore.
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.
Configure and Manage vSphere Storage — This question tests Configure and Manage vSphere Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the 'Increase datastore capacity' wizard to add the LUN as an extent — VMFS6 supports online extension by expanding the extent. Option B is correct. Option A (migrating VMs) is unnecessary. Option C (unmount and extend) is not required. Option D (convert to VMFS5) is wrong and would lose data.
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.
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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