单项选择题 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?（）

单项选择题 our company has an Active Directory domain. The company has a main office and a branch office. Both the offices have domain controllers that run active directory-integrated DNS zones. All client computers are configured to use the local domain controllers for DNS resolution. The domain controllers at the branch office location are configured as read-only domain controllers (RODC). You change the IP address of an exisiting server named SRV2 in the main office. You need the branch office DNS servers to reflect the change immediately.What should you do?（）

单项选择题 Your network contains a server named Server1. Server1 is configured as a BranchCache server. The cache is located at D:\Branchcache.You need to remove all existing files and hashes from the cache.Which command should you run？（）