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AWS Certified Solutions Architect study material · question 189 of 500

A workload ingests IoT telemetry at a very high event rate through Step Functions. Which workflow type suits it?

  1. Standard workflows
  2. Activities
  3. Task states with a wait
  4. Express workflows
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Answer: D. Express workflows

Express workflows are built for high-event-rate work such as streaming data and IoT ingestion, at the cost of at-least-once execution.

Source: What is Step Functions? (Amazon Web Services) — Standard and Express workflow types

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