[Solved] Which statement best describes the lifecycle of an AWS Lambda execution environment? — Ans: It is created on first invocation and reused for subsequent invocations | AWS

AWS - Lambda

Which statement best describes the lifecycle of an AWS Lambda execution environment?

AIt is created once and never destroyed

BIt is created on first invocation and reused for subsequent invocations

CIt is created and destroyed for every single invocation

DIt runs continuously regardless of function invocations

Step-by-Step Solution

Solution:

Step 1: Recall Lambda environment reuse behavior
Lambda creates an execution environment on the first invocation and may reuse it for later invocations to improve performance.
Step 2: Eliminate incorrect options
The environment is not permanent, nor destroyed after every invocation, and it does not run continuously without invocations.
Final Answer:
It is created on first invocation and reused for subsequent invocations -> Option B
Quick Check:
Lambda environment lifecycle = Created once, reused [OK]

Quick Trick: Lambda reuses environments to reduce startup time [OK]

Common Mistakes:

MISTAKES

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Which statement best describes the lifecycle of an AWS Lambda execution environment?