AWS Certified Solutions Architect - Professional
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A company operates a sales reporting application in the United States using an Amazon API Gateway Regional API and AWS Lambda functions to generate reports from an Amazon RDS for MySQL database. The frontend is hosted on Amazon S3 and accessed via an Amazon CloudFront distribution. Amazon Route 53 is used for DNS with a simple routing policy directing traffic to the API Gateway. The company plans to expand to Europe within six months, where an API Gateway and Lambda functions have already been deployed. Over 90% of the database traffic is read-only. A solutions architect needs to design a solution to minimize report download latency for European users. Which solution meets these requirements?
Explanation:
The correct answer is C. Setting up a cross-Region read replica in the new European Region will ensure that read-only database traffic is handled locally in Europe, reducing latency for users downloading reports. Using Route 53 latency-based routing will direct users to the API Gateway with the lowest latency, ensuring the most efficient path for end-users. This combination minimizes latency effectively for European users.