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Multiple ChoiceDesign High-Performing Architectures
Question 2. A company manages an application that stores data on an Amazon RDS for PostgreSQL Multi-AZ DB instance. High traffic on the application is causing increased latency for many read queries. A solutions architect must improve the performance of the application. Which solution will meet this requirement?
A. Enable Amazon RDS Performance Insights. Configure storage capacity to scale automatically.
B. Configure the DB instance to use DynamoDB Accelerator (DAX).
C. Create a read replica of the DB instance. Serve read traffic from the read replica.
D. Use Amazon Data Firehose between the application and Amazon RDS to increase the concurrency of database requests.
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