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？（）
- Aa BranchCache server that operates in Distributed Cache mode
- Ba BranchCache server that operates in Hosted Cache mode
- Ca domain-based Distributed File System （DFS） namespace and DFS Replication
- Da standalone Distributed File System （DFS） namespace and DFS Replicatio