Explanation:
Amazon Elastic File System (Amazon EFS) provides a simple, scalable, fully managed elastic NFS file system for use with AWS Cloud services and on-premises resources. It is built to scale on demand to petabytes without disrupting applications, growing and shrinking automatically as you add and remove files. EFS supports access from multiple EC2 instances across multiple Availability Zones, making it the most scalable and appropriate storage solution for this scenario.
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Question 26
An application accesses data through a file system interface. The application runs on Amazon EC2 instances in multiple Availability Zones, all of which must share the same data. While the amount of data is currently small, the company anticipates that it will grow to tens of terabytes over the lifetime of the application. What is the MOST scalable storage solution to fulfill this requirement?
A
Connect a large Amazon EBS volume to multiple instances and schedule snapshots.
B
Deploy Amazon EFS in the VPC and create mount targets in multiple subnets.
C
Launch an EC2 instance and share data using SMB/CIFS or NFS.
D
Deploy an AWS Storage Gateway cached volume on Amazon EC2.
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