Answer: Amazon FSx

## Explanation Amazon FSx is the correct answer because it provides fully managed Windows file servers specifically designed for Windows-based applications. ### Why Amazon FSx is correct: - **Fully managed Windows file server**: Amazon FSx for Windows File Server provides fully managed, native Windows file systems - **Windows compatibility**: Built on Windows Server, providing full compatibility with Windows applications - **SMB protocol support**: Supports the Server Message Block (SMB) protocol used by Windows applications - **Active Directory integration**: Integrates with AWS Directory Service or your on-premises Active Directory - **Native features**: Supports Windows file system features like NTFS permissions, shadow copies, and VSS ### Why other options are incorrect: - **Amazon EKS (B)**: Managed Kubernetes service for container orchestration, not file storage - **Amazon ECS (C)**: Container orchestration service for Docker containers, not file servers - **Amazon EMR (D)**: Big data platform for processing large datasets using frameworks like Hadoop and Spark Amazon FSx is specifically designed to provide fully managed Windows file shares that are accessible from Windows-based applications running on AWS or on-premises.

Author: Ritesh Yadav