SAA-C03 · Question #749
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
The correct answer is C. Create a read replica of the DB instance. Serve read traffic from the read replica.. Creating a read replica for the RDS PostgreSQL DB instance allows read queries to be offloaded from the primary instance. This improves read performance and reduces latency for high-traffic applications without impacting write operations.
Question
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?
Options
- AEnable Amazon RDS Performance Insights. Configure storage capacity to scale automatically.
- BConfigure the DB instance to use DynamoDB Accelerator (DAX).
- CCreate a read replica of the DB instance. Serve read traffic from the read replica.
- DUse Amazon Data Firehose between the application and Amazon RDS to increase the
How the community answered
(52 responses)- A2% (1)
- B4% (2)
- C92% (48)
- D2% (1)
Explanation
Creating a read replica for the RDS PostgreSQL DB instance allows read queries to be offloaded from the primary instance. This improves read performance and reduces latency for high-traffic applications without impacting write operations.
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