A.Test and manually deploy updates
B.Deploy a Software Update Services (SUS) server. Test all updates and then approve them. Configure all client computers to automatically obtain updates from the server
C.Test all updates and then use a third-party utility to repackage updates in a Windows Installer file. Deploy the -.msi files by using Group Policy
D.Configure all client computers to use Automatic Updates to obtain security updates from the Windows Update Web site. Test all updates posted to the Windows Update Web site