You need to recommend a solution for users in the branch office to access files in the main office.   What should you include in the recommendation？（）

• A、a BranchCache server that operates in Distributed Cache mode
• B、a BranchCache server that operates in Hosted Cache mode
• C、a domain-based Distributed File System （DFS） namespace and DFS Replication
• D、a standalone Distributed File System （DFS） namespace and DFS Replication