• Administration and security are centralized
• a domain consists of networked workstations and servers that
  • provide user account validation against a common , shared Security Accounts Manager database
  • allow resource permission assignments to users defined in the Security Account Manager database
  • can be administered s a group
  • in a domain the servers function as either servers or domain controllers
  • a domain administrator creates user accounts only once on the Primary Domain Controller
  • when a user logs on to a domain, a domain controller checks its copy of the domain user account database for correct user name, password, and any logon restrictions

• In a large company each department could create its own domain
• advantages of a domain are
  • centralized administration
  • resource sharing