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Check yourself 08-ups-monitoring-and-safe-shutdown: Quiz

Retrieval practice. Target >=80%.

Overview

Module: Segmentation, Backup & Power
Activity type: Quiz / retrieval practice
Target: ≥80%
Objective: Explain the roles of a UPS, UPS driver, monitoring daemon, client, and shutdown coordinator.

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Questions

  1. Why is an OB status by itself usually insufficient to trigger immediate shutdown?
  2. What does the LB status token commonly indicate in NUT?
  3. Why should a policy validate telemetry age before evaluating battery conditions?
  4. What problem does a shutdown-request latch solve?
  5. Why should runtime_seconds be treated as an estimate rather than an exact countdown?
  6. What action does the lab take after three consecutive critical samples?
  7. What happens to the latch after a confirmed OL sample in the lab policy?
  8. Why should there be only one final UPS power-removal authority?
  9. Which systems should generally stop first: dependent applications or the storage and network services they require?
  10. Why does this lab use simulation instead of disconnecting real utility power?
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After scoring

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