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Why does AWS Lambda automatically retry asynchronous invocation on failure?

hard📝 Conceptual Q10 of 15
AWS - Lambda
Why does AWS Lambda automatically retry asynchronous invocation on failure?
ATo increase reliability by handling transient errors
BBecause synchronous invocations always fail
CTo reduce Lambda execution costs
DTo avoid logging errors in CloudWatch
Step-by-Step Solution
Solution:
  1. Step 1: Understand retry behavior

    Lambda retries asynchronous invocations to handle temporary issues like network glitches.
  2. Step 2: Eliminate incorrect reasons

    Synchronous invocations do not always fail; retries do not reduce costs or avoid logging.
  3. Final Answer:

    To increase reliability by handling transient errors -> Option A
  4. Quick Check:

    Retries improve reliability on transient failures [OK]
Quick Trick: Retries help Lambda handle temporary failures automatically [OK]
Common Mistakes:
MISTAKES
  • Thinking retries reduce costs
  • Assuming retries avoid error logs
  • Believing synchronous always fails

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