AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A company needs a shared file system for their Amazon EC2 instances. The system needs to scale automatically to handle increasing amounts of data and allow multiple instances to access files simultaneously. Which service should the company use?
Amazon EFS provides a scalable, fully managed elastic Network File System (NFS) for use with cloud services and on-premises resources. It automatically scales as files are added or removed, and it supports concurrent access from multiple Amazon EC2 instances, making it ideal for shared storage requirements. Amazon EBS provides block storage which is designed for access by a single EC2 instance whose the volume is attached to. Amazon S3 is an object storage service accessible over the internet and does not provide a file system interface. Amazon Storage Gateway is a hybrid storage service that enables on-premises applications to use cloud storage but is not suitable for providing shared storage to EC2 instances as per this scenario requirements.
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