AWS Certified Developer Associate DVA-C02 Practice Question
During the development stages of a serverless application, a developer is looking to test the request and response behavior as if the back-end was already implemented. What service feature should the developer use to create this simulated environment to validate the front-end integration?
Use AWS CloudFormation to provision mock integration resources
Leverage Amazon EventBridge to schedule mock events for the integration
Employ AWS Step Functions to replicate the back-end logic
Configure Amazon API Gateway mock integrations for simulating the necessary endpoints
Amazon API Gateway mock integrations enable developers to set up the entire API interface without having to have the backend services available. This feature allows for the creation of integration responses and error cases to test how the front end handles these situations. This capability is vital during development for ensuring that the application logic is properly handling requests and responses. AWS Step Functions are not designed for mocking API interfaces but for orchestrating microservices, applications and workflows. CloudFormation, while used for infrastructure as code, does not provide a direct way to mock service responses. Amazon EventBridge schedules events but is not intended for simulating backend responses.
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AWS Certified Developer Associate DVA-C02
Deployment
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