SK0-005 troubleshooting Practice Question

A server in a virtualized environment is experiencing VM performance degradation. The host server has adequate resources. The hypervisor logs show excessive 'ready' time for the CPU. Which of the following is the BEST action to resolve this issue?

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

✓

Reduce the number of VMs on the host

Reducing the number of VMs on the host reduces contention for CPU resources, decreasing ready time.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
Disable hyper-threading on the host
Why it's wrong here
Incorrect. Disabling hyper-threading reduces logical CPUs, which can increase ready time and degrade performance further.
✗
Increase the number of vCPUs for the VM
Why it's wrong here
Incorrect. Increasing vCPUs can worsen ready time because it leads to more contention for physical cores.
✓
Reduce the number of VMs on the host
Why this is correct
Correct. Reducing the number of VMs decreases CPU contention and lowers ready time, improving performance.
✗
Migrate the VM to a different host
Why it's wrong here
Incorrect. While migration might help temporarily, it does not address the root cause of over-provisioning on the host.

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Last reviewed: Jul 26, 2026

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This SK0-005 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 SK0-005 exam.