VCP-DCV Configure and Manage vSphere Networking Practice Question
This VCP-DCV practice question tests your understanding of configure and manage vsphere networking. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 company runs a vSphere 7 cluster with 4 ESXi hosts, each connected to a single vSphere Distributed Switch (VDS) with two 10GbE uplinks. The environment hosts 100 production VMs and uses vSphere Replication for disaster recovery to a remote site. Network I/O Control (NIOC) is enabled on the VDS with the following shares: vSphere Replication (System Traffic) = 100, Virtual Machine Traffic = 50. During the scheduled replication window (every 2 hours), users report significant VM performance degradation. The administrator observes that during replication, the VMkernel interfaces handling replication consume 95% of the available uplink bandwidth. The goal is to guarantee at least 6 Gbps of bandwidth for VM traffic on each host while still allowing replication to occur. Which action should the administrator take?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a network resource pool for VM traffic on the VDS and assign a reservation of 6 Gbps.
Creating a network resource pool for VM traffic and assigning a reservation of 6 Gbps guarantees that VM traffic gets at least that amount of bandwidth, regardless of replication demands. This is the proper use of NIOC resource pools. Option B (increasing shares) only affects priority, not guarantees. Option C (limiting replication) could help but does not guarantee VM bandwidth and may still allow replication to burst if the limit is not set appropriately. Option D (adding uplinks) is expensive and may not directly address the guarantee requirement.
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 network resource pool for VM traffic on the VDS and assign a reservation of 6 Gbps.
Why this is correct
Reservations guarantee bandwidth for VM traffic, ensuring performance during replication.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Increase the shares for Virtual Machine traffic to 200.
Why it's wrong here
Shares only affect relative priority, not guaranteed bandwidth; replication can still consume most bandwidth.
✗
Increase the number of uplinks to four per host.
Why it's wrong here
Adding uplinks increases total bandwidth but does not enforce guarantees; also more costly and complex.
✗
Set a hard limit of 4 Gbps on vSphere Replication traffic.
Why it's wrong here
Limiting replication caps its bandwidth but does not guarantee VM traffic; replication may still exceed if limit is high.
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 Networking — This question tests Configure and Manage vSphere Networking — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a network resource pool for VM traffic on the VDS and assign a reservation of 6 Gbps. — Creating a network resource pool for VM traffic and assigning a reservation of 6 Gbps guarantees that VM traffic gets at least that amount of bandwidth, regardless of replication demands. This is the proper use of NIOC resource pools. Option B (increasing shares) only affects priority, not guarantees. Option C (limiting replication) could help but does not guarantee VM bandwidth and may still allow replication to burst if the limit is not set appropriately. Option D (adding uplinks) is expensive and may not directly address the guarantee requirement.
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.
Are there clue words in this question I should notice?
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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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