A company has a complex order fulfillment process involving payment processing, inventory checking, and shipping. Each step is handled by a different AWS Lambda function. If a step fails, the process must retry or execute a rollback function. Which service should orchestrate this workflow?

Answer options:

Amazon SQS

AWS Step Functions

Amazon EventBridge

AWS Systems Manager

How to approach this question

Look for 'orchestrate', 'workflow', and 'state'.

Full Answer

B.AWS Step Functions✓ Correct

AWS Step Functions

AWS Step Functions lets you build visual workflows that enable fast translation of business requirements into technical applications. It handles retries, state, and error handling natively.

Common mistakes

Trying to use SQS or SNS to build complex stateful workflows.

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