LLD - Design — Parking Lot System
A client wants a system that "never loses data" and "responds within 1 second." How should these requirements be classified and prioritized?
A client wants a system that "never loses data" and "responds within 1 second." How should these requirements be classified and prioritized?
hard📝 Trade-off Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Classify requirements
Data reliability (never losing data) and response time are non-functional requirements.Step 2: Prioritize based on impact
Data reliability is critical (highest priority), response time is important but slightly less critical (high priority).Final Answer:
Data reliability is non-functional and highest priority; response time is non-functional and high priority -> Option AQuick Check:
Reliability > Performance priority [OK]
Quick Trick: Reliability is top priority non-functional need [OK]
Common Mistakes:
MISTAKES- Classifying reliability as functional
- Equal priority for all requirements
- Ignoring priority differences
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