Client Server Networks Or Domain Network

In a client/server environment, there are separate systems for providing resources (servers) and for accessing resources (clients). Resource and security management is fully centralized. If the servers and workstations reside within the same building or a small geographical area, this type of environment is typically referred to as a Local Area Network (LAN).
The client/server model provides distributed processing due to the following:

• Application and data files can be stored on the server.
  
• Files are downloaded to intelligent workstations (clients) for processing.
  
• Results are uploaded to the server for storage.
  
• The server might provide additional services, such as printing or communications support, to the client.
  

Most high-level network operating systems use the client/server model. Novell's NetWare and Microsoft's Windows 2000 Server and Windows Server 2003 operate in a client/server environment.
There are some similarities between mainframe, minicomputers, and LAN operations. PC LANs owe several of their features to ideas first developed in the mainframe world:

• Multiple users. Users are able to share data and critical resources quickly and easily.
  
• Shared data. Data files are accessed by different users on the system, making it easier for people to work together.
  
• Common applications. Applications training and support become more efficient and easier to handle.
  
• Shared resources. Selected hardware resources are made available to all (or
  specified groups of) network users.
  
• Centralized security system. Limits access to sensitive data. Also improves data security through password protection and central backup of all data files.
  

with this type of network you area also sharing security