The answer is 3 TB. This is correct because the vmkfstools -P -v 10 command reveals two extents: one with 1,048,576 blocks and another with 2,097,152 blocks, each using a 1 MB block size, totaling 3,145,728 blocks. Since each block is 1 MB, the total capacity is 3,145,728 MB, which converts to approximately 3.14 TB, and the closest answer choice is 3 TB. On the VCP-DCV exam, this question tests your ability to interpret vmkfstools output to determine datastore capacity, a key skill for managing VMFS datastores with multiple extents. A common trap is mistaking the size of a single extent for the total capacity—option A (1 TB) and option B (2 TB) correspond to the individual extents, not their sum. Memory tip: when you see two extents, always add the block counts before multiplying by the block size, and remember that 1 MB blocks make the math straightforward.
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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
3 TB
The datastore has two extents: one with 1,048,576 blocks and one with 2,097,152 blocks, both with 1 MB block size. Total blocks = 3,145,728. Since each block is 1 MB, total capacity is 3,145,728 MB, which is approximately 3.14 TB. Option D is correct. Option A (1 TB) is the size of the smaller extent. Option B (2 TB) is the larger. Option C (2.5 TB) is incorrect.
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.
Read the scenario before looking for a memorised answer.
✗
1 TB
Why it's wrong here
That is the size of the first extent only.
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: 3 TB — The datastore has two extents: one with 1,048,576 blocks and one with 2,097,152 blocks, both with 1 MB block size. Total blocks = 3,145,728. Since each block is 1 MB, total capacity is 3,145,728 MB, which is approximately 3.14 TB. Option D is correct. Option A (1 TB) is the size of the smaller extent. Option B (2 TB) is the larger. Option C (2.5 TB) is incorrect.
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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