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Your network has a main office and a branch office. The branch office has five client computers that run Windows 7. All servers are located in the main office. All servers have BranchCache enabled. Users at the branch office report that it takes several minutes to open large files located in the main office. You need to minimize the amount of time it takes for branch office users to open files located in the main office. The solution must also reduce the amount of bandwidth used between the two offices. What should you do?
Correct Answer: D
Explanation/Reference: Explanation: Distributed Cache Mode Distributed Cache mode uses peer caching to host the branch office cache among clients running Windows 7 on the branch office network. This means that each Distributed Cache mode client hosts part of the cache, but no single client hosts all the cache. When a client running Windows 7 retrieves content over the WAN, it places that content into its own cache. If another BranchCache client running Windows 7 attempts to access the same content, it is able to access that content directly from the first client rather than having to retrieve it over the WAN link. When it accesses the file from its peer, it also copies that file into its own cache. The advantage of distributed cache mode is that you can deploy it without having to deploy a server running Windows Server 2008 R2 locally in each branch office. The drawback of Distributed Cache mode is that the contents of the cache available on the branch office LAN depend on which clients are currently online. If a client needs a file that is held in the cache of a computer that is shut down, the client needs to retrieve the file from the host server across the WAN.