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What is the primary role of an entry flow in system design?

easy🧠 Conceptual Q1 of Q15
LLD - Design — Parking Lot System
What is the primary role of an entry flow in system design?
ATo monitor system health and performance
BTo store data permanently in the database
CTo receive and validate incoming requests before processing
DTo generate reports from processed data
Step-by-Step Solution
Solution:

  1. Step 1: Understand the function of entry flow

    The entry flow is responsible for receiving incoming requests and ensuring they are valid before further processing.

  2. Step 2: Differentiate from other system components

    Storing data, generating reports, and monitoring are separate concerns handled after entry flow.

  3. Final Answer:

    To receive and validate incoming requests before processing -> Option C

  4. Quick Check:

    Entry flow role = Receive and validate requests [OK]
Quick Trick: Entry flow always handles incoming requests first [OK]
Common Mistakes:
MISTAKES
  • Confusing entry flow with data storage
  • Thinking entry flow generates reports
  • Mixing entry flow with monitoring tasks

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