AWS Certified Cloud Practitioner — Question 313

Which AWS service provides storage that can be mounted across multiple Amazon EC2 instances?

Answer options

• A. Amazon WorkSpaces
• B. Amazon Elastic File System (Amazon EFS)
• C. AWS Database Migration Service (AWS DMS)
• D. AWS Snowball Edge

Correct answer: B

Explanation

Amazon Elastic File System (Amazon EFS) provides a serverless, shared file system that can be mounted concurrently by multiple Amazon EC2 instances. Amazon WorkSpaces is a virtual desktop service, AWS DMS is designed for database migrations, and AWS Snowball Edge is a physical device for data transfer and edge computing.