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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 311 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 311
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A company has built a serverless application for its ecommerce website. The application includes a REST API in Amazon API Gateway that invokes an AWS Lambda function. The Lambda function processes data and stores the data in Amazon DynamoDB table. The Lambda function calls a third-party stock application API to process the order. After the ordered is processed, the Lambda function returns an HTTP 200 status code with no body to the client.

During peak usage when the API calls exceeds a certain threshold, the third-party stock application sometimes fails to process the data and responds with error messages. The company needs a solution that will not overwhelm the third-party stock application.

Which solution will meet these requirements?

  • A. Configure the REST API in API Gateway to write the requests directly into DynamoDB. Configure a DynamoDB intrinsic function to perform the transformation. Set up a DynamoDB stream to call the third-party stock application API with each new row. Delete the Lambda function.
  • B. Configure the REST API in API Gateway to write the requests directly into an Amazon Simple Queue Service (Amazon SQS) queue. Configure the Lambda function with a reserved concurrency equal to the third-party stock application's threshold. Set Lambda function to process the messages from the SQS queue.
  • C. Configure the REST API in API Gateway to write the requests directly into an Amazon Simple Notification Service (Amazon SNS) topic. Configure the Lambda function with a provisioned concurrency equal to the third-party stock application's threshold. Set the Lambda function to process the messages from the SNS topic.
  • D. Configure the REST API in API Gateway to write the requests directly into Amazon Athena. Configure the transformation of the data by using SQL with multiple query result locations set up to point to the DynamoDB table and the third-party stock fulfilment application API. Delete the Lambda function.
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Suggested Answer: B 🗳️
by Americo32 at Feb. 12, 2024, 2:10 p.m.
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tgv
Highly Voted 8 months, 1 week ago
B should do it: API Gateway --> SQS <-- Lambda poll
upvoted 11 times
...
CrescentShared
Highly Voted 8 months, 1 week ago
Selected Answer: B
no doubt.
upvoted 5 times
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65703c1
Most Recent 5 months ago
Selected Answer: B
B is the correct answer.
upvoted 1 times
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seetpt
6 months, 3 weeks ago
Selected Answer: B
B is right
upvoted 2 times
...
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