A company is migrating a legacy application to AWS. The application uses a proprietary file system that requires a POSIX-compliant shared file storage accessible by hundreds of Linux EC2 instances simultaneously. The storage must support high throughput and low latency. Which combination of services and configurations should be used? (Select TWO)

Answer options:

A.

Use Amazon Elastic File System (EFS).

B.

Use Amazon FSx for Windows File Server.

C.

Use Amazon Elastic Block Store (EBS) Multi-Attach.

D.

Configure the EFS file system with Provisioned Throughput mode.

E.

Use Amazon S3 with an S3 File Gateway.

F.

Configure the EFS file system with Bursting Throughput mode.

How to approach this question

Identify the POSIX file system and the performance mode for high throughput.

Full Answer

Use Amazon Elastic File System (EFS)., Configure the EFS file system with Provisioned Throughput mode.

Amazon EFS is the native POSIX-compliant shared file system for Linux on AWS. For applications requiring consistent high throughput regardless of storage size, Provisioned Throughput mode is required.

Common mistakes

Choosing EBS Multi-Attach, which lacks a managed file system layer.

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