SAA-C03 Question #178: Real Exam Question with Answer & Explanation

Question

A company wants to use an API to translate text from one language to another. The API must receive an HTTP header value and pass the value to an embedded library. The API translates documents in 6 minutes. The API requires a custom authorization mechanism. Which solution will meet these requirements?

Options

• AConfigure an Amazon API Gateway REST API with AWS_PROXY integration to synchronously
• BConfigure an AWS Lambda function with a Lambda function URL to synchronously call a second
• CConfigure an Amazon API Gateway REST API with AWS_PROXY integration to asynchronously
• DConfigure an Amazon API Gateway REST API with HTTP PROXY integration to synchronously

Explanation

The AWS_PROXY integration with Amazon API Gatewayallows the API to invoke a Lambda function synchronously, making it a suitable solution for the custom authorization mechanism and text translation use case. Synchronous Invocation: The API Gateway REST API with AWS_PROXY integration enables synchronous processing of HTTP requests and responses, which is required for document Custom Authorization: API Gateway supports custom authorizers for fine-grained access control. Lambda Function Execution: Although Lambda's execution time limit is 15 minutes, this is sufficient for the 6-minute document translation requirement. Why Other Options Are Not Ideal: Introducing a Lambda function URL to invoke another Lambda function unnecessarily complicates the architecture.Not efficient. Asynchronous invocation cannot guarantee real-time response delivery for document translation tasks. Not suitable. Hosting the API on an EC2 instance increases operational overhead. HTTP PROXY integration does not add significant benefits here.Not cost-effective or efficient.

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