Final answer:
The solutions architect should use Amazon Elastic File System (EFS) to replace the file server farm in the AWS Cloud.
Step-by-step explanation:
To replace the file server farm in the AWS Cloud, the solutions architect should use Amazon Elastic File System (EFS). Amazon EFS provides a scalable and fully managed file storage service that can be easily integrated into the AWS environment. EFS offers high availability, durability, and performance for file-based workloads, making it suitable for replacing the file server farm.
It provides a file system that can be mounted to multiple EC2 instances, allowing for file sharing and synchronization across the instances. In addition to EFS, the solutions architect can also consider using Amazon S3 for storing and accessing files. However, S3 is an object storage service and may not be as suitable for replacing a traditional file server farm as EFS.