- A
Use vMotion to migrate all VMs to one host, apply patch, then move back.
Why wrong: Incorrect: Migrating all VMs to a single host would overload it.
- B
Use vSphere vMotion to migrate VMs, then apply patch using CLI on each host.
Why wrong: Incorrect: CLI patching is not efficient or automated.
- C
Put each host in maintenance mode and apply the patch via Update Manager.
Correct: Update Manager automates patching with minimal downtime.
- D
Schedule a host reboot during maintenance window and apply patch via ISO boot.
Why wrong: Incorrect: This causes full downtime and is not standard.
Question 162 of 521
VCP-DCV vSphere Architecture, Products and Solutions Practice Question
This VCP-DCV practice question tests your understanding of vsphere architecture, products and solutions. 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.
A company has a vSphere cluster of eight ESXi hosts managed by a single vCenter Server. They need to apply a critical security patch to the ESXi hosts with minimal downtime. Which method should the administrator use?
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
✓
Put each host in maintenance mode and apply the patch via Update Manager.
Option C is correct because vSphere Update Manager (VUM) automates the patching process by placing each host into maintenance mode, migrating VMs via vMotion to other hosts, applying the patch, and then bringing the host back online—all with minimal downtime. This is the recommended method for applying critical security patches to multiple ESXi hosts in a cluster managed by a single vCenter Server.
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.
- ✗
Use vMotion to migrate all VMs to one host, apply patch, then move back.
Why it's wrong here
Incorrect: Migrating all VMs to a single host would overload it.
- ✗
Use vSphere vMotion to migrate VMs, then apply patch using CLI on each host.
Why it's wrong here
Incorrect: CLI patching is not efficient or automated.
- ✓
Put each host in maintenance mode and apply the patch via Update Manager.
Why this is correct
Correct: Update Manager automates patching with minimal downtime.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Schedule a host reboot during maintenance window and apply patch via ISO boot.
Why it's wrong here
Incorrect: This causes full downtime and is not standard.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think manual vMotion and CLI patching (Option B) is acceptable, but they overlook that Update Manager provides automated, cluster-aware patching with minimal downtime, which is the standard best practice in vSphere environments.
Detailed technical explanation
How to think about this question
vSphere Update Manager uses a baseline-based approach to scan hosts for missing patches and apply them in a controlled manner. When a host enters maintenance mode, vMotion migrates all running VMs to other hosts in the cluster, ensuring zero downtime for VM workloads. The patch is applied via a remediation process that can include reboot if required, and the host is automatically returned to service after successful patching.
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 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.
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FAQ
Questions learners often ask
What does this VCP-DCV question test?
vSphere Architecture, Products and Solutions — This question tests vSphere Architecture, Products and Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Put each host in maintenance mode and apply the patch via Update Manager. — Option C is correct because vSphere Update Manager (VUM) automates the patching process by placing each host into maintenance mode, migrating VMs via vMotion to other hosts, applying the patch, and then bringing the host back online—all with minimal downtime. This is the recommended method for applying critical security patches to multiple ESXi hosts in a cluster managed by a single vCenter Server.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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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 →
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Last reviewed: Jul 4, 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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