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Testing AWS Lambda functions locally is often done with
AA web browser with no extensions
BA spreadsheet of test scenarios
CAWS SAM CLI or LocalStack
DA relational database manager only
Answer & Solution
Correct answer: C. AWS SAM CLI or LocalStack
AWS SAM CLI emulates Lambda runtime; LocalStack provides full AWS API emulation locally (S3, DynamoDB, SQS, etc.). Both speed up the inner dev loop without hitting AWS. Real cloud tests still required before prod.
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