AWS Certified Cloud Practitioner (CLF-C02) — Question 671

A company has multiple SQL-based databases located in a data center. The company needs to migrate all database servers to the AWS Cloud to reduce the cost of operating physical servers.

Which AWS service or resource will meet these requirements with the LEAST operational overhead?

Answer options

• A. Amazon EC2 instances
• B. Amazon RDS
• C. Amazon DynamoDB
• D. OpenSearch

Correct answer: B

Explanation

Amazon RDS is a fully managed service that automates administrative tasks such as provisioning, patching, and backups for relational SQL databases, which minimizes operational overhead. While Amazon EC2 can host SQL databases, it requires the user to manage the underlying operating system and database software, resulting in higher operational overhead. Amazon DynamoDB is a NoSQL database service, and OpenSearch is a search and analytics engine, making neither suitable for a direct SQL database migration.