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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 137 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 137
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A company is developing a serverless multi-tier application on AWS. The company will build the serverless logic tier by using Amazon API Gateway and AWS Lambda.
While the company builds the logic tier, a developer who works on the frontend of the application must develop integration tests. The tests must cover both positive and negative scenarios, depending on success and error HTTP status codes.

Which solution will meet these requirements with the LEAST effort?

  • A. Set up a mock integration for API methods in API Gateway. In the integration request from Method Execution, add simple logic to return either a success or error based on HTTP status code. In the integration response, add messages that correspond to the HTTP status codes.
  • B. Create two mock integration resources for API methods in API Gateway. In the integration request, return a success HTTP status code for one resource and an error HTTP status code for the other resource. In the integration response, add messages that correspond to the HTTP status codes.
  • C. Create Lambda functions to perform tests. Add simple logic to return either success or error, based on the HTTP status codes. Build an API Gateway Lambda integration. Select appropriate Lambda functions that correspond to the HTTP status codes.
  • D. Create a Lambda function to perform tests. Add simple logic to return either success or error-based HTTP status codes. Create a mock integration in API Gateway. Select the Lambda function that corresponds to the HTTP status codes.
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Suggested Answer: A 🗳️
by cloudenthusiast at Aug. 4, 2023, 1:38 p.m.
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Parsons
Highly Voted 1 year, 2 months ago
Selected Answer: A
A is correct (with the LEAST effort) "API Gateway supports mock integrations for API methods" "As an API developer, you decide how API Gateway responds to a mock integration request. For this, you configure the method's integration request and integration response to associate a response with a given status code. " https://docs.aws.amazon.com/apigateway/latest/developerguide/how-to-mock-integration.html
upvoted 10 times
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mooncake1
Most Recent 3 months ago
Selected Answer: A
B - resource should not be used as such.. One Request should fulfill both success and fail scenario. Another resource means it's not the same request
upvoted 1 times
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65703c1
5 months ago
Selected Answer: A
A is the correct answer.
upvoted 1 times
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SerialiDr
9 months, 2 weeks ago
Selected Answer: A
This is an efficient solution. Mock integrations in API Gateway allow you to simulate backend logic directly within API Gateway, without the need for an actual backend like Lambda. You can define the behavior and response (including HTTP status codes and messages) directly in API Gateway, making it ideal for quickly developing and testing various scenarios.
upvoted 2 times
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[Removed]
1 year, 2 months ago
Selected Answer: B
The tests must cover both positive and negative scenarios, depending on success and error HTTP status codes.
upvoted 3 times
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cloudenthusiast
1 year, 2 months ago
Selected Answer: A
A because set up a mock integration for API methods in API Gateway with the least effort.
upvoted 3 times
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