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Answer: Deploy Amazon EFS in the VPC and create mount targets in multiple subnets.
Amazon EFS provides scalable, shared NFS file system that can grow to petabytes, accessible from multiple EC2 in different AZs via mount targets. EBS is block not shared easily, self-managed NFS on EC2 not scalable, Storage Gateway is for hybrid.
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An application accesses data through a file system interface and runs on EC2 instances in multiple AZs, all needing to share the same data. Data will grow to tens of terabytes. What is the MOST scalable storage solution?
A
Connect a large 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 EC2.
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