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CV0-004 Practice Question: Notices that a virtual machine (VM) in a public…
A cloud engineer notices that a virtual machine (VM) in a public cloud environment is consistently running at 90% CPU during business hours. The VM hosts a customer-facing web application. Which of the following is the BEST initial troubleshooting step?
⚠ Common exam trap
The trap here is that candidates often jump to a 'fix' like scaling up or rebooting, but the CompTIA Cloud+ exam tests the foundational troubleshooting methodology of 'gather data first' to avoid unnecessary changes and ensure the solution is targeted and cost-effective.
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
✓
Review the VM's performance metrics and application logs.
The initial step in troubleshooting high CPU usage is to gather diagnostic data. Reviewing the VM's performance metrics (e.g., CPU utilization, memory, disk I/O) and application logs helps identify whether the issue is caused by a legitimate workload spike, a memory leak, or a misconfiguration. This aligns with the 'identify before act' principle in cloud operations, ensuring the engineer understands the root cause before making changes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Migrate the VM to a different availability zone.
Why it's wrong here
Migrating zones does not address CPU usage and is a more drastic measure.
- ✓
Review the VM's performance metrics and application logs.
Why this is correct
Reviewing metrics and logs is the standard first step in troubleshooting.
- ✗
Reboot the VM to reset resource usage.
Why it's wrong here
Rebooting causes downtime and does not address the root cause.
- ✗
Scale up the VM to a larger instance size.
Why it's wrong here
Scaling up without investigation may increase costs unnecessarily.
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Last reviewed: Jun 11, 2026
This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.
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