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Check yourself 09-power-efficiency-and-thermal-management: Quiz

Retrieval practice. Target >=80%.

Overview

Module: Segmentation, Backup & Power
Activity type: Quiz / retrieval practice
Target: ≥80%
Objective: Explain the difference between energy, power, temperature, utilization, and efficiency.

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Questions

  1. What is the difference between power and energy?
  2. Why does a lower component temperature not necessarily prove lower electrical power consumption?
  3. What can prevent an apparently idle Linux system from entering deep CPU idle states?
  4. Why should a CPU package energy counter not automatically be treated as whole-system energy?
  5. What is thermal throttling, and why should it not be disabled to improve benchmark performance?
  6. Why can workload consolidation improve energy efficiency while also increasing operational risk?
  7. What information should be held constant or recorded when comparing two power-management configurations?
  8. Why is a brief load-and-cooldown lab not sufficient to certify a cooling design?
  9. What should an operator do if a thermal alarm appears during the controlled load?
  10. What constitutes a successful efficiency change?
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After scoring

  • Missed items → return to Reading → redo Feynman Retry → reattempt.
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