AWS Certified Solutions Architect – Professional (SAP-C02) — Question 141
A weather service provides high-resolution weather maps from a web application hosted on AWS in the eu-west-1 Region. The weather maps are updated frequently and stored in Amazon S3 along with static HTML content. The web application is fronted by Amazon CloudFront.
The company recently expanded to serve users in the us-east-1 Region, and these new users report that viewing their respective weather maps is slow from time to time.
Which combination of steps will resolve the us-east-1 performance issues? (Choose two.)
Answer options
- A. Configure the AWS Global Accelerator endpoint for the S3 bucket in eu-west-1. Configure endpoint groups for TCP ports 80 and 443 in us-east-1.
- B. Create a new S3 bucket in us-east-1. Configure S3 cross-Region replication to synchronize from the S3 bucket in eu-west-1.
- C. Use Lambda@Edge to modify requests from North America to use the S3 Transfer Acceleration endpoint in us-east-1.
- D. Use Lambda@Edge to modify requests from North America to use the S3 bucket in us-east-1.
- E. Configure the AWS Global Accelerator endpoint for us-east-1 as an origin on the CloudFront distribution. Use Lambda@Edge to modify requests from North America to use the new origin.
Correct answer: B, D
Explanation
The correct answer, B, involves creating a new S3 bucket in us-east-1 and using cross-Region replication to ensure fast access to the weather maps for users in that area. Option D correctly suggests using Lambda@Edge to direct requests to the new S3 bucket, enhancing performance. Options A, C, and E do not directly address the need for quick access from us-east-1, making them less effective solutions for the reported performance issues.