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AWS Certified Solutions Architect - Associate · AWS
Select one answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
Base on this doc https://docs.aws.amazon.com/sns/latest/dg/fifo-topic-message-ordering.html, the answer should B and D, however, if you can only select one, then B.
SNS can have many-to-many relations, while SQS supports only one consumer at a time (many-to-one).
First time in my life that the answer is actually SNS