You install WSUS on a server that runs Windows Server 2008. You need to ensure taht the traffic between the WSUS administrative website and the server administrators computer is encrypted. What should you do？ （）

• A、 Configure SSL encryption on the WSUS server website.
• B、 Run the netdom trust /SecurePasswordPrompt command on the WSUS server
• C、 Configure the NTFS permissions on the content directory to Deny Full Controll permission to the Everyone group
• D、 Configure the WSUS server to require Integrated Windows Authentication （IWA） when users connect to the WSUS server.