AWS Certified Cloud Practitioner — Question 729

Which AWS services are examples of NoSQL databases? (Choose two.)

Answer options

• A. Amazon DynamoDB
• B. Amazon ElastiCache
• C. Amazon Redshift
• D. Amazon Aurora
• E. Amazon RDS for MySQL

Correct answer: A, B

Explanation

Amazon DynamoDB is a fully managed NoSQL database service that supports key-value and document data structures, and Amazon ElastiCache functions as an in-memory NoSQL data store supporting Redis and Memcached. In contrast, Amazon Aurora and Amazon RDS for MySQL are relational databases, while Amazon Redshift is a column-oriented data warehouse.