Your network contains a server named Server1 that runs Windows Server 2008 R2. Server1 is located in a branch office. You view the BranchCache configuration of Server1 as shown in the exhibit. (Click the Exhibit button.) You need to ensure that client computers in the branch office retrieve cached files from Server1 only. What should you do on Server1?（）
- AInstall the BranchCache for Network Files role service
- BInstall the Services for Network File System role service
- CRun netsh.exe branchcache set service mode=DISTRIBUTED
- DRun netsh.exe branchcache set service mode=HOSTEDSERVER