Answer :
BranchCache is a feature available exclusively in the Enterprise and Education editions of Windows to improve network performance and reliability, especially in remote or branch office scenarios. Thus, option (B) is correct.
- BranchCache: This feature allows data from the central office server to be cached at branch offices, improving access times and reducing bandwidth usage.
- Encrypting File System (EFS): Available in Professional, Enterprise, and Education editions.
- Ability to connect to a domain-based network: Available in Pro, Enterprise, and Education editions.
- Cortana: Available in all editions but might have variations in functionality.
BranchCache is particularly useful for organizations with multiple offices as it reduces the need to repeatedly download data across slow or expensive WAN links, enhancing productivity and user experience.