A Company Has an Ecommerce Application That Stores Data in an On-Premises

question 402

Multiple Choice

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).

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