VMware Certified Professional - Data Center Virtualization (VCP-DCV) Practice Exam

Which Host Power Management Policy disables most hardware power management features?

1. High Performance

2. Balanced

3. Low Power

4. Disabled

The correct answer is: High Performance

The High Performance Host Power Management Policy is designed to prioritize performance over energy efficiency. By disabling most hardware power management features, this policy ensures that the host remains fully powered and ready to deliver maximum resources to virtual machines without any throttling or interruptions that could arise from power-saving measures. This is particularly beneficial in environments where reliability and speed are critical, such as in production workloads where performance is paramount. While other policies may conserve energy by allowing the system to reduce power to certain components during idle periods or under low usage, the High Performance policy explicitly avoids these tactics. It keeps the CPU at higher frequency levels and ensures that all resources are readily available for use, effectively preventing delays in processing that can occur when systems manage power dynamically.