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Check yourself 07-arr-stack-health-monitoring: Quiz

Retrieval practice. Target >=80%.

Overview

Module: Requests & Media Servers
Activity type: Quiz / retrieval practice
Target: ≥80%
Objective: Separate service reachability from application health state.

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Questions

    1. What does arr_monitor_up measure, and which values may it emit?
    1. What two metrics are emitted for a reachable service whose declared_health is critical?
    1. List the warning conditions evaluated after critical conditions.
    1. Do queue_depth=25 and free_space_percent=15 trigger warnings?
    1. Why must HELP and TYPE lines be checked before samples in this lab?
    1. How many sample lines must a successful render contain, and why?
    1. Why is synthetic input preferable to a live ARR API for testing the classification rules?
    1. What should a verifier do when reachable is the string "yes" instead of a Boolean?
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After scoring

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