WHAT IS CLIENT / SERVER? In the client-server network model (which is sometimes called the client-server architecture or client-server topology), resources are managed by the network operating system through a centralized directory database. The database can be managed by one or more servers, as long as they have the same network operating system. In the midst of a WINDOWS SERVER controls network access to a group of computers, this LOGICAL group is known as Windows DOMAIN . The centralized directory database that keeps user account information & security for the entire group of computers is called AD (Active Directory) . Each user on the network has his/her own domain level account assigned by the network administrator and kept in Active Directory . A user can sign on to the network from any computer on the network and get access to the resources that Active Directory allows. The process is managed by AD DS (Active Directo...