A company has an ecommerce application that stores data in an on-premises SQL database. The company has decided to migrate this database to AWS. However as part of the migration, the company wants to find a way to attain sub-millisecond responses to common read requests.
A solutions architect knows that the increase in speed is paramount and that a small percentage of stale data returned in the database reads is acceptable
What should the solutions architect recommend?
A . Build Amazon RDS read replicas.
B . Build the database as a larger instance type.
C . Build a database cache using Amazon ElastiCache
D . Build a database cache using Amazon Elasticsearch Service (Amazon ES)
Answer: A
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