AWS Certified Cloud Practitioner — Question 94

Which AWS services should a company use to read and write data that changes frequently? (Choose two.)

Answer options

• A. Amazon S3 Glacier
• B. Amazon RDS
• C. AWS Snowball
• D. Amazon Redshift
• E. Amazon Elastic File System (Amazon EFS)

Correct answer: B, E

Explanation

Amazon RDS is designed for transactional databases that require frequent read and write operations, making it an ideal choice. Amazon Elastic File System (EFS) provides a scalable file storage solution that can also handle frequent changes in data, unlike Amazon S3 Glacier, AWS Snowball, and Amazon Redshift, which are optimized for different use cases such as archival storage or data warehousing.