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AWS Certified Solutions Architect study material · question 191 of 500

How can work in a Step Functions task be performed by a worker that does not run on AWS?

  1. By using a Choice state with a callback
  2. By using an Activity, which is a worker outside Step Functions
  3. By using a Task state that calls a Lambda function
  4. By using an Express workflow
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Answer: B. By using an Activity, which is a worker outside Step Functions

Activities are workers living outside Step Functions that poll for and perform the work a task state describes.

Source: What is Step Functions? (Amazon Web Services) — What is Step Functions?

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