Quick Answer
The answer is CPU limit, as this feature directly enforces an upper bound on how much CPU a single virtual machine can consume, regardless of available resources. When you need to limit VM CPU resources in vSphere, a CPU limit caps the maximum megahertz or gigahertz the VM can use, preventing it from monopolizing the host’s compute capacity even during contention. On the VMware Certified Professional Data Center Virtualization VCP-DCV exam, this concept tests your understanding of the three key CPU controls—reservation, limit, and shares—and how they interact; a common trap is confusing a limit with a reservation, which guarantees a minimum rather than restricting a maximum. Remember that a limit is like a speed governor on a car: it stops the VM from exceeding a set threshold, while a reservation is the fuel guarantee. Memory tip: “Limit locks the lid, reservation reserves the ride.”
This VCP-DCV practice question tests your understanding of vsphere performance and scaling. 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.
An administrator wants to limit the amount of CPU resources a single VM can consume in a vSphere cluster. Which feature should be used?
CPU affinity
Why wrong: CPU affinity binds vCPUs to physical cores, not limit usage.
CPU reservation
Why wrong: CPU reservation guarantees a minimum, not a maximum.
Resource pools
Why wrong: Resource pools aggregate resources but do not enforce per-VM limits without configuration.
CPU limit
CPU limit restricts the maximum CPU usage of a VM.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
CPU limit
A CPU limit sets an upper bound on CPU usage. Option C is correct. Option A (resource pools) can limit at a group level but not per VM easily. Option B (affinity) binds vCPUs to cores. Option D (reservation) guarantees minimum resources.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
CPU affinity
Why it's wrong here
CPU affinity binds vCPUs to physical cores, not limit usage.
CPU reservation
Why it's wrong here
CPU reservation guarantees a minimum, not a maximum.
Resource pools
Why it's wrong here
Resource pools aggregate resources but do not enforce per-VM limits without configuration.
CPU limit
Why this is correct
CPU limit restricts the maximum CPU usage of a VM.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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
vSphere Performance and Scaling — This question tests vSphere Performance and Scaling — Read the scenario before looking for a memorised answer..
The correct answer is: CPU limit — A CPU limit sets an upper bound on CPU usage. Option C is correct. Option A (resource pools) can limit at a group level but not per VM easily. Option B (affinity) binds vCPUs to cores. Option D (reservation) guarantees minimum resources.
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.
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 24, 2026
This VCP-DCV practice question is part of Courseiva's free VMware certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the VCP-DCV exam.
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