Your company has a load-balanced Remote Desktop Session Host （RD Session Host） cluster. You are configuring the Remote Desktop Gateway （RD Gateway） role service on servers that run Windows Server 2008 R2. You need to centralize the storage of Remote Desktop connection authorization policies （RD CAPs）. Which two actions should you perform？（）

• A、Install the Network Policy Server role service.
• B、Install the Distributed File System role service.
• C、Configure the RD Gateway servers to use a local RD CAP store.
• D、Configure the RD Gateway servers to use a remote RD CAP store.