Question 535 of 977
CV0-004 Troubleshooting Practice Question
A cloud administrator notices that a virtual machine is unresponsive. The VM is running on a hypervisor host that shows high CPU utilization. What should the administrator do first?
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 VM console for OS-level issues
The first step in troubleshooting an unresponsive VM is to check the VM console for OS-level issues. This allows the administrator to see if the OS is hung, has a kernel panic, or is waiting for input. Option A is wrong because rebooting the hypervisor host would affect all VMs and is a drastic measure that should only be taken after other diagnostics. Option B is wrong because increasing the VM's vCPU count does not address the root cause of unresponsiveness and could worsen resource contention on an already overloaded host. Option C is wrong because migrating the VM to another host is premature without first determining if the issue is OS-related; also, migration might not be possible if the VM is completely unresponsive.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reboot the hypervisor host
Why it's wrong here
Rebooting the host is disruptive and should be done only after other troubleshooting steps fail.
- ✗
Increase the VM's vCPU count
Why it's wrong here
Increasing vCPU could worsen performance if the host is already CPU-bound.
- ✗
Migrate the VM to another host
Why it's wrong here
Migrating without first checking the VM console could move the problem without solving it.
- ✓
Check the VM console for OS-level issues
Why this is correct
Checking the console allows direct assessment of the VM's OS state, such as a hung process or login prompt.
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Last reviewed: Jun 24, 2026
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