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Answer: Amazon Elastic File System (Amazon EFS)
Amazon Elastic File System (Amazon EFS) is the correct choice because: - **Amazon EFS** provides a scalable, fully managed elastic NFS file system that can be mounted by both AWS Cloud resources and on-premises systems - It supports cross-environment access through AWS Direct Connect or VPN connections - **Amazon EBS** is block storage that can only be attached to EC2 instances within the same Availability Zone - **Amazon S3** is object storage, not a file system, and doesn't provide the same file system semantics - **Amazon ElastiCache** is an in-memory caching service, not a file system EFS is specifically designed for use cases requiring shared file storage across multiple compute instances and environments, making it ideal for hybrid cloud scenarios.
Author: Ritesh Yadav
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A company runs business applications in an on-premises data center and in the AWS Cloud. The company needs a shared file system that can be available to both environments. Which AWS service meets these requirements?
A
Amazon Elastic Block Store (Amazon EBS)
B
Amazon S3
C
Amazon ElastiCache
D
Amazon Elastic File System (Amazon EFS)
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