SOA-C03 · Question #46
A company runs an application on a large fleet of Amazon EC2 instances to process financial transactions. The EC2 instances share data by using an Amazon Elastic File System (Amazon EFS) file system.
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Question
A company runs an application on a large fleet of Amazon EC2 instances to process financial transactions. The EC2 instances share data by using an Amazon Elastic File System (Amazon EFS) file system. The company wants to deploy the application to a new Availability Zone and has created new subnets and a mount target in the new Availability Zone. When a SysOps administrator launches new EC2 instances in the new subnets, the EC2 instances are unable to mount the file system. What is a reason for this issue?
Options
- AThe EFS mount target has been created in a private subnet.
- BThe IAM role that is associated with the EC2 instances does not allow the efs:MountFileSystem
- CThe route tables have not been configured to route traffic to a VPC endpoint for Amazon EFS in
- DThe security group for the mount target does not allow inbound NFS connections from the
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