A company has an application that stores data in Amazon RDS instances. The application periodically experiences surges of high traffic that cause performance problems. During periods of peak traffic, a developer notices a reduction in query speed in all database queries. The team’s technical lead determines that a multi-threaded and scalable caching solution should be used to offload the heavy read traffic. The solution needs to improve performance. Which solution will meet these requirements with the LEAST complexity?

Topic #: - All AWS Certified Developer - Associate DVA-C02 Questions

A. Use Amazon ElastiCache for Memcached to offload read requests from the main database.
B. Replicate the data to Amazon DynamoDSet up a DynamoDB Accelerator (DAX) cluster.
C. Configure the Amazon RDS instances to use Multi-AZ deployment with one standby instance. Offload read requests from the main database to the standby instance.
D. Use Amazon ElastiCache for Redis to offload read requests from the main database.

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