You are working for a company that has a set of Linux EC2 Instances in a VPC. There is a requirement to have a mountable file storage system that can be used and shared by the EC2 Instances. Which of the following would you use for this requirement?

Answer options:

A.AWS EFS
B.AWS S3
C.AWS Glacier
D.AWS EBS

Correct Answer: A
This is given in the AWS Documentation.
Amazon EFS provides scalable file storage for use with Amazon EC2. You can create an EFS file system and configure your instances to mount the file system. You can use an EFS file system as a common data source for workloads and applications running on multiple instances.
Option B is incorrect since this is used as object-based storage.
Option C is incorrect since this is used for archive storage.
Option D is incorrect since this is used for local data storage.
For more information on the Amazon File System, please refer to the below URL-
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AmazonEFS.html