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Which component is NOT typically part of an emergency handling system?

easy🧠 Conceptual Q12 of 15
LLD - Design — Elevator System
Which component is NOT typically part of an emergency handling system?
ASafety action controller
BAlerting system
CDetection module
DUser interface for marketing
Step-by-Step Solution
Solution:

  1. Step 1: List typical components

    Emergency handling systems usually have detection, alerting, safety actions, and logging.

  2. Step 2: Identify the unrelated component

    User interface for marketing is unrelated to emergency handling functions.

  3. Final Answer:

    User interface for marketing -> Option D

  4. Quick Check:

    Marketing UI ≠ emergency handling component [OK]
Quick Trick: Exclude marketing from emergency system parts [OK]
Common Mistakes:
MISTAKES
  • Including unrelated business components
  • Confusing alerting with marketing notifications
  • Ignoring safety action controllers

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