Question 221 of 977
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CV0-004 Practice Question: Is troubleshooting a performance issue in a…
A cloud engineer is troubleshooting a performance issue in a virtualized environment. A critical application is running slowly, and the engineer suspects resource contention. The host server has 32 vCPUs and 256 GB of RAM, running four VMs. Which tool should the engineer use to determine if CPU ready time is causing the performance degradation?
⚠ Common exam trap
Test-takers frequently assume guest OS tools like 'top' or Performance Monitor can detect all CPU-related bottlenecks, but they cannot see hypervisor-level metrics like CPU ready time, which requires the hypervisor's own monitoring console.
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
✓
Use the hypervisor's monitoring console to view CPU ready time
CPU ready time is a hypervisor-level metric that measures the time a VM is ready to execute but must wait for a physical CPU core to become available. Since the engineer suspects resource contention among VMs on the same host, the hypervisor's monitoring console is the only tool that can expose this metric directly. Guest OS tools like 'top' or Performance Monitor cannot see CPU ready time because it occurs at the virtualization layer, not inside the VM.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Run the 'top' command inside the affected VM
Why it's wrong here
'top' shows guest CPU usage, not hypervisor contention.
- ✗
Deploy a network analyzer to capture traffic between VMs
Why it's wrong here
Network analyzer does not measure CPU contention.
- ✗
Check the performance monitor in the guest operating system
Why it's wrong here
Guest OS monitors do not show hypervisor-level metrics like CPU ready.
- ✓
Use the hypervisor's monitoring console to view CPU ready time
Why this is correct
Hypervisor consoles provide CPU ready metrics indicating contention.
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Last reviewed: Jun 11, 2026
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