Question 86 of 521

vSphere Lifecycle Management →mediumMultiple ChoiceObjective-mapped

Why New Hosts Can't Enter Maintenance Mode in vLCM

This VCP-DCV practice question tests your understanding of vsphere lifecycle management. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 has a vSphere cluster with ESXi hosts that are managed by vSphere Lifecycle Manager using a single image. The cluster includes hosts from different hardware vendors. After a recent hardware refresh, new hosts with a different network adapter are added. The administrator applies the cluster image, but the new hosts fail to enter maintenance mode for remediation. What is the most likely cause?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

A
The cluster's DRS is set to fully automated, preventing manual maintenance mode.
Why wrong: DRS automation does not block maintenance mode entry.
B
The vCenter Server user account lacks the 'Host.Inventory.Create' permission.
Why wrong: Insufficient permissions would cause different errors, not maintenance mode failure.
C
The new hosts are not added to the vCenter Server inventory correctly.
Why wrong: If added incorrectly, they would not show in the cluster.
D
The cluster image includes an incompatible driver for the new network adapter.
The image must include the correct driver for the host hardware.

Full breakdown with real-world context →

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

✓

The cluster image includes an incompatible driver for the new network adapter.

The most likely cause is that the cluster image includes a driver that is incompatible with the new network adapter. When applying the image, vSphere Lifecycle Manager performs pre-remediation checks, and if the driver in the image does not support the new hardware, the host fails to enter maintenance mode. Option A is incorrect because DRS automation does not prevent maintenance mode; you can still manually put a host into maintenance mode. Option B is incorrect because the 'Host.Inventory.Create' permission is not required for applying cluster images; permission issues would typically result in different errors. Option C is incorrect because if the hosts were not properly added to inventory, they would not appear in the cluster at all.

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.

✗
The cluster's DRS is set to fully automated, preventing manual maintenance mode.
Why it's wrong here
DRS automation does not block maintenance mode entry.
✗
The vCenter Server user account lacks the 'Host.Inventory.Create' permission.
Why it's wrong here
Insufficient permissions would cause different errors, not maintenance mode failure.
✗
The new hosts are not added to the vCenter Server inventory correctly.
Why it's wrong here
If added incorrectly, they would not show in the cluster.
✓
The cluster image includes an incompatible driver for the new network adapter.
Why this is correct
The image must include the correct driver for the host hardware.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.

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.

Trap categories for this question

Command / output trap
If added incorrectly, they would not show in the cluster.

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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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: The cluster image includes an incompatible driver for the new network adapter. — The most likely cause is that the cluster image includes a driver that is incompatible with the new network adapter. When applying the image, vSphere Lifecycle Manager performs pre-remediation checks, and if the driver in the image does not support the new hardware, the host fails to enter maintenance mode. Option A is incorrect because DRS automation does not prevent maintenance mode; you can still manually put a host into maintenance mode. Option B is incorrect because the 'Host.Inventory.Create' permission is not required for applying cluster images; permission issues would typically result in different errors. Option C is incorrect because if the hosts were not properly added to inventory, they would not appear in the cluster at all.

What should I do if I get this VCP-DCV question wrong?

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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