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AWS Certified Solutions Architect - Associate · AWS
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Keys found in STEM: 1. The company notices an increase in application errors that result from database connection timeouts during times of peak traffic or unpredictable traffic. 2. The company needs a solution that reduces the application failures with the least amount of change to the code.
A. Reduce the Lambda concurrency rate? Has nothing to do with decreasing connections timeout. B. Enable RDS Proxy on the RDS DB instance. Correct answer C. Resize the RDS DB instance class to accept more connections? More connections means worse performance. Therefore, not correct. D. Migrate the database to Amazon DynamoDB with on-demand scaling? DynamoDB is a noSQL database. Not correct.
RDS Proxy is a fully managed, highly available, and scalable proxy for Amazon Relational Database Service (RDS) that makes it easy to connect to your RDS instances from applications running on AWS Lambda. RDS Proxy offloads the management of connections to the database, which can help to improve performance and reliability.