- A
Check the compatibility of third-party VIBs with ESXi 8.0.
Incompatible VIBs can cause hosts to fail after upgrade.
- B
Ensure that the vCenter Server is upgraded to 8.0 before upgrading ESXi hosts.
vCenter must be at the target version to manage upgraded hosts.
- C
Assume that all server hardware is supported by ESXi 8.0 since it is a major release.
Why wrong: Hardware must be on the HCL; assumption can lead to failures.
- D
Verify that the VUM rollback feature is configured to allow revert in case of failure.
Rollback is important for safety during upgrades.
- E
Disable vSphere DRS to prevent VM migration during host maintenance.
Why wrong: DRS should be enabled to automatically migrate VMs off hosts entering maintenance mode.
Question 28 of 521
vLCM Rolling ESXi Upgrade Planning — Key Considerations and Best Practices | VMware Certified Professional Data Center Virtualization Explained
This VCP-DCV practice question tests your understanding of vsphere lifecycle management. 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.
Which THREE factors should be considered when planning a rolling upgrade of ESXi hosts in a vSphere cluster from version 7.0 to 8.0 using vLCM?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Check the compatibility of third-party VIBs with ESXi 8.0.
For a rolling upgrade of ESXi hosts from 7.0 to 8.0 using vLCM, you must check the compatibility of third-party VIBs with ESXi 8.0 (A). Additionally, the vCenter Server must be upgraded to 8.0 before upgrading ESXi hosts because vCenter manages the cluster (B). The VUM rollback feature, which is available in vLCM, should be configured to allow revert in case of failure (D). Option C is incorrect because hardware compatibility must be verified via the VMware Compatibility Guide (HCL), not assumed just because it is a major release. Option E is incorrect because vSphere DRS should be enabled to allow automated VM migration during host maintenance, not disabled.
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.
- ✓
Check the compatibility of third-party VIBs with ESXi 8.0.
Why this is correct
Incompatible VIBs can cause hosts to fail after upgrade.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Ensure that the vCenter Server is upgraded to 8.0 before upgrading ESXi hosts.
Why this is correct
vCenter must be at the target version to manage upgraded hosts.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Assume that all server hardware is supported by ESXi 8.0 since it is a major release.
Why it's wrong here
Hardware must be on the HCL; assumption can lead to failures.
- ✓
Verify that the VUM rollback feature is configured to allow revert in case of failure.
Why this is correct
Rollback is important for safety during upgrades.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Disable vSphere DRS to prevent VM migration during host maintenance.
Why it's wrong here
DRS should be enabled to automatically migrate VMs off hosts entering maintenance mode.
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.
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vSphere Lifecycle Management — study guide chapter
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FAQ
Questions learners often ask
What does this VCP-DCV question test?
vSphere Lifecycle Management — This question tests vSphere Lifecycle Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Check the compatibility of third-party VIBs with ESXi 8.0. — For a rolling upgrade of ESXi hosts from 7.0 to 8.0 using vLCM, you must check the compatibility of third-party VIBs with ESXi 8.0 (A). Additionally, the vCenter Server must be upgraded to 8.0 before upgrading ESXi hosts because vCenter manages the cluster (B). The VUM rollback feature, which is available in vLCM, should be configured to allow revert in case of failure (D). Option C is incorrect because hardware compatibility must be verified via the VMware Compatibility Guide (HCL), not assumed just because it is a major release. Option E is incorrect because vSphere DRS should be enabled to allow automated VM migration during host maintenance, not disabled.
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.
About these practice questions
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Last reviewed: Jun 24, 2026
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