Explanation:
Amazon Elastic File System (EFS) is a file storage service for Amazon EC2 instances that is designed specifically for Linux workloads and uses the NFS protocol. It is not fully compatible with Windows, and it doesn't support the SMB protocol or native Windows permissions. For Windows Amazon EC2 instances needing shared file storage, Amazon FSx for Windows File Server provides fully managed, highly reliable, and scalable file storage that is accessible over the industry-standard Server Message Block (SMB) protocol.
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Question 25. A SysOps administrator has many Windows Amazon EC2 instances that need to share a file system between nodes. The SysOps administrator creates an Amazon Elastic File System (Amazon EFS) file share. After creation of the file share, the SysOps administrator is having trouble mounting the file share to the EC2 instances. Which action should the SysOps administrator take so that the EC2 instances can share the files?
A
Delete the EFS file share. Create an Amazon FSx for Windows File Server file share for the EC2 instances.
B
Use the correct IAM credentials to mount the EFS file share.
C
Configure NFSv4 support on the Windows operating system that is running on the EC2 instances.
D
Allow the correct port for NFS through the security group and network ACL.
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