AWS quiz, hard level.
40 harder, multi-constraint scenario questions across all four DVA-C02 domains, including Lambda invocation, Lambda aliases, API Gateway throttling, DynamoDB sort key, DynamoDB conditional write, DynamoDB Streams, S3 multipart upload, S3 presigned URL, SQS FIFO, SQS dead-letter queue and more. Every question includes a hint and a study-note explanation.