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Which key issue does API Gateway throttling help mitigate in a distributed system?

easy📝 Conceptual Q1 of 15
AWS - API Gateway
Which key issue does API Gateway throttling help mitigate in a distributed system?
AEncrypting API payloads for secure transmission
BPreventing backend overload due to excessive client requests
CCaching API responses to reduce latency
DAutomatically scaling backend instances based on traffic
Step-by-Step Solution
Solution:

  1. Step 1: Understand throttling purpose

    API Gateway throttling limits the number of requests to protect backend services from being overwhelmed.

  2. Step 2: Eliminate other options

    Encryption, caching, and auto-scaling are unrelated to throttling.

  3. Final Answer:

    Preventing backend overload due to excessive client requests -> Option B

  4. Quick Check:

    Throttling controls request rate to protect backend [OK]
Quick Trick: Throttling limits request rate to protect backend [OK]
Common Mistakes:
  • Confusing throttling with encryption or caching
  • Assuming throttling automatically scales backend

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