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AWS SAA-C03 · Question 30 · Domain 2.3: Decoupling
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?
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:
A.
Amazon SQS
B.
AWS Step Functions
C.
Amazon EventBridge
D.
AWS Systems Manager
How to approach this question
Look for 'orchestrate', 'workflow', and 'state'.
Full Answer
B.AWS Step Functions✓ Correct
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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