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An architect needs to decouple a producer service from many independent consumers, each processing the same message stream. Which AWS service fits BEST?
AAmazon S3 polling
BAWS Direct Connect
CAmazon RDS triggers
DAmazon SNS (fan-out to multiple SQS queues or HTTPS endpoints)
Answer & Solution
Correct answer: D. Amazon SNS (fan-out to multiple SQS queues or HTTPS endpoints)
SNS fan-out (often with SQS subscribers) is the canonical 1→N decoupling pattern. S3 polling is wasteful; RDS triggers are intra-DB; DX is networking.
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