A company hosts a media-heavy website on EC2 instances behind an Application Load Balancer (ALB). The company is experiencing high AWS monthly bills due to 'Data Transfer Out to Internet' charges.<br/><br/>Which AWS service should be implemented to significantly reduce these data transfer costs?

Answer options:

AWS Global Accelerator

Amazon CloudFront

Amazon ElastiCache

AWS Transit Gateway

How to approach this question

Identify the service that caches content and reduces origin data transfer.

Full Answer

B.Amazon CloudFront✓ Correct

Amazon CloudFront is a CDN. Data transfer from AWS origins (like EC2, ALB, or S3) to CloudFront is free. By caching content at the edge, CloudFront serves requests directly to users, drastically reducing the 'Data Transfer Out' from the EC2 instances/ALB.

Common mistakes

Not realizing that data transfer from AWS origins to CloudFront is free.

Question 64 All questions

Practice the full AWS SAA-C03 Practice Exam 6

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