AWS Certified Cloud Practitioner

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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?

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RRitesh

Explanation:

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.

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