The answer is to create a VM storage policy that requires flash-based storage and apply it to the VM. This configuration change is correct because it leverages vSphere Storage Policy-Based Management (SPBM) to enforce placement on an all-flash datastore, eliminating the variable latency introduced by the HDD tier in a hybrid array and ensuring consistent low-latency storage for critical VMs. On the VMware Certified Professional Data Center Virtualization VCP-DCV exam, this scenario tests your understanding of how SPBM policies can guarantee performance requirements by abstracting storage capabilities from the underlying hardware. A common trap is assuming that simply moving the VM to a faster datastore manually is sufficient, but the exam emphasizes policy-driven automation for ongoing compliance. Memory tip: think “Policy for Predictability”—a flash-only policy locks in low latency, while hybrid arrays can still cause sporadic delays from spinning disks.
VCP-DCV vSphere Performance and Scaling Practice Question
This VCP-DCV practice question tests your understanding of vsphere performance and scaling. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 ensure that a critical database VM has consistent low-latency access to its virtual disks. The VM currently resides on a datastore backed by a hybrid array. Which configuration change best meets this requirement?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a VM storage policy that requires flash-based storage and apply it to the VM.
Option A is correct because creating a VM storage policy that requires flash-based storage and applying it to the VM ensures that the virtual disks are placed on an all-flash datastore, which provides consistent low-latency access. This leverages vSphere Storage Policy-Based Management (SPBM) to enforce placement on flash media, eliminating the variable latency introduced by the HDD tier in a hybrid array.
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.
✓
Create a VM storage policy that requires flash-based storage and apply it to the VM.
Why this is correct
A storage policy with rule set for flash ensures placement on low-latency storage.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure the VM to use multiple paths with Round Robin policy.
Why it's wrong here
Path policy affects throughput, not latency.
✗
Assign a separate VMDK for each critical VM on a dedicated datastore.
Why it's wrong here
This is not a standard practice and does not guarantee low latency.
✗
Enable Storage I/O Control (SIOC) on the datastore.
Why it's wrong here
SIOC manages congestion but does not improve underlying latency.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse I/O management features (SIOC, multipathing) with storage media performance, thinking they can compensate for the inherent latency of HDDs in a hybrid array, but only a flash-based storage policy directly addresses the requirement for consistent low-latency access.
Detailed technical explanation
How to think about this question
Under the hood, SPBM uses storage provider capabilities (e.g., VASA) to advertise flash as a property; the policy enforces placement on datastores where all extents are flash-based. In a hybrid array, even with caching, HDD seeks introduce latency spikes that can exceed 10 ms, whereas all-flash arrays deliver sub-millisecond latency consistently. Real-world scenarios like OLTP databases or real-time transaction systems require this deterministic low latency to avoid timeouts and performance degradation.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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 Performance and Scaling — This question tests vSphere Performance and Scaling — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a VM storage policy that requires flash-based storage and apply it to the VM. — Option A is correct because creating a VM storage policy that requires flash-based storage and applying it to the VM ensures that the virtual disks are placed on an all-flash datastore, which provides consistent low-latency access. This leverages vSphere Storage Policy-Based Management (SPBM) to enforce placement on flash media, eliminating the variable latency introduced by the HDD tier in a hybrid array.
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: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.