An application requires highly available file storage accessible by hundreds of EC2 Linux instances across multiple Availability Zones. The storage must support POSIX permissions and scale automatically. Which TWO actions should the architect take? (Select TWO)

Answer options:

Create an Amazon EBS Provisioned IOPS volume.

Create an Amazon EFS file system.

Create an Amazon FSx for Windows File Server.

Mount the EFS file system on the EC2 instances using the EFS mount helper.

Use Amazon S3 and mount it using S3 File Gateway.

Attach the EBS volume to multiple instances using Multi-Attach.

How to approach this question

Identify the AWS managed NFS service.

Full Answer

Amazon EFS is a fully managed, elastic, highly available file system that supports NFSv4 and POSIX permissions, ideal for sharing data across many Linux EC2 instances.

Common mistakes

Choosing EBS Multi-Attach, which requires a custom clustered file system.

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