You install WSUS on a server that runs Windows Server 2008. You need to ensure that the traffic between the WSUS administrative web site 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 control permission to the Everyone group
• D、Configure the WSUS server to require integrated Windows authentication （IWA） hen users connect to the WSUS server.