YouarethenetworkadministratorforExamSheet.ComputersonyournetworkrunWindows2000Professional,WindowsNTWorkstation4.0andWindows98.TenWindows2000Professionalcomputersarelocatedintheresearchdepartment.Thesecomputerscontainhighlyconfidentialinformation.Youwantthe10Windows2000ProfessionalcomputerstobeabletocommunicateonlywithotherWindows2000computers.Whatshouldyoudo?（）

A.OntheresearchcomputersusetheLocalComputerPolicytodisabletheAccessthiscomputer fromthenetworkoption.

B.UseSecurityConfigurationandAnalysistoapplytheHighlySecuresecuritytemplatetothe researchcomputers.

C.AddtheusersoftheresearchcomputerstothePowerUsersgrouponeachcomputer.

D.Ontheresearchcomputersconfigurethesecuritysettingstopreventanonymousaccess.