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Exam AWS Certified Developer - Associate DVA-C02 All Questions

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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 528 discussion

A developer is building an ecommerce application that uses multiple AWS Lambda functions. Each function performs a specific step in a customer order workflow, such as order processing and inventory management.

The developer must ensure that the Lambda functions run in a specific order.

Which solution will meet this requirement with the LEAST operational overhead?

  • A. Configure an Amazon Simple Queue Service (Amazon SQS) queue to contain messages about each step a function must perform. Configure the Lambda functions to run sequentially based on the order of messages in the SQS queue.
  • B. Configure an Amazon Simple Notification Service (Amazon SNS) topic to contain notifications about each step a function must perform. Subscribe the Lambda functions to the SNS topic. Use subscription filters based on the step each function must perform.
  • C. Configure an AWS Step Functions state machine to invoke the Lambda functions in a specific order.
  • D. Configure Amazon EventBridge Scheduler schedules to invoke the Lambda functions in a specific order.
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Suggested Answer: C 🗳️

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xdeveloper
4 months ago
Selected Answer: C
LEAST operational overhead , its Step Functions.
upvoted 1 times
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ShakthiGCP
4 months, 2 weeks ago
Selected Answer: C
Orchestration is done by Step functions
upvoted 3 times
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YUICH
4 months, 2 weeks ago
Selected Answer: C
C. AWS Step Functions AWS Step Functions is designed to orchestrate workflows, making it ideal for ensuring Lambda functions execute in a specific order. It allows you to define a state machine that explicitly specifies the sequence of execution, handles errors, and minimizes operational overhead. This makes it the most suitable choice.
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