System policies are implemented through an Ntconfig.pol in the netlogon share.
User profiles have two types, roaming and local.
Clients-Windows for Workgroups is no longer the client of choice. Your clients are now Windows NT Workstation and Windows 95. Use of the term Directory Services to refer to user, group, and computer accounts in your NT domain. You'll also see some interface-based questions, in which you're provided with a dialog box for a particular configuration, and you click on the appropriate area to answer the question. Almost everyone I talked to about the new NT 4.0 beta exams agreed with me that in terms of difficulty, the two exams were miles apart.