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Amazon Web Services AWS Certified Solutions Architect - Professional SAP-C02 Question # 173 Topic 18 Discussion

Amazon Web Services AWS Certified Solutions Architect - Professional SAP-C02 Question # 173 Topic 18 Discussion

SAP-C02 Exam Topic 18 Question 173 Discussion:
Question #: 173
Topic #: 18

A company uses Amazon CloudFront to serve a static application from an Amazon S3 bucket origin. A custom domain maps to the CloudFront distribution. The application calls an Amazon API Gateway Regional API endpoint in the ap-northeast-1 Region for backend APIs.

The company configures cross-origin resource sharing (CORS) so the application can access the APIs. Tests find that API calls are slower from outside ap-northeast-1, which causes slow performance.

The company must improve the performance of the application.

Which solution will meet this requirement?


A.

Enable CloudFront Origin Shield and S3 Transfer Acceleration for the S3 bucket.


B.

Use an Amazon Route 53 latency-based routing policy for the Regional API endpoint and the CloudFront distribution.


C.

Set the Regional API endpoint as an origin for the CloudFront distribution. Access the backend APIs by using the application’s DNS name.


D.

Set up AWS Global Accelerator in the same account that hosts the CloudFront distribution. Access the backend APIs by using Global Accelerator.


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