AWS Certified Developer Associate DVA-C02 Practice Question
A development team needs to implement a method for processing incoming requests to a web service that enables additional validation and transforms the response based on certain business rules before sending it back to the client. What should the team implement to BEST handle this requirement?
Deploy a web application firewall to validate and transform the requests.
Implement response/request transformations using Amazon API Gateway.
Configure an Elastic Load Balancer (ELB) to handle the request transformations.
Use AWS Lambda to validate and process the requests.
An API Gateway is the best choice for this scenario because it provides extensive capabilities for request and response transformation and can enact validation rules. It operates as the front door for applications to access data, business logic, or functionality from backend services. Using AWS Lambda or a web application firewall would not provide the same level of request/response transformation capabilities or direct support for enforcing validation rules as API Gateway does. While an Elastic Load Balancer does handle incoming requests, it is primarily used for distributing network traffic and does not offer the means to define complex response transformations.
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AWS Certified Developer Associate DVA-C02
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