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.