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Which component typically represents the exit flow in a system architecture?

easy🧠 Conceptual Q2 of 15
LLD - Design — Parking Lot System
Which component typically represents the exit flow in a system architecture?
AService sending processed data to external clients
BDatabase storing raw input data
CLoad balancer distributing incoming traffic
DAPI gateway receiving requests
Step-by-Step Solution
Solution:

  1. Step 1: Identify exit flow role

    The exit flow is responsible for sending processed data or responses back to clients or other systems.

  2. Step 2: Match options to exit flow

    Load balancer and API gateway handle incoming traffic (entry), database stores data internally, only the service sending data out fits exit flow.

  3. Final Answer:

    Service sending processed data to external clients -> Option A

  4. Quick Check:

    Exit flow = Sending data out [OK]
Quick Trick: Exit flow sends data out after processing [OK]
Common Mistakes:
MISTAKES
  • Confusing load balancer as exit flow
  • Thinking database is part of exit flow
  • Mixing API gateway with exit flow

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