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AWS Certified Developer – Associate DVA-C02 · Domain 1: Development with AWS Services

Lambda invocation models: synchronous, asynchronous (retries, destinations, DLQs) and event source mappings (SQS, Kinesis, DynamoDB Streams, partial batch responses)

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Last reviewed September 25, 2026 · Leer en español

How a Lambda function is invoked decides who retries on failure and where errors end up. There are three models, and many exam questions quietly depend on which one is in play.

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