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Why use a network
Connect two or more computers together.
Local Area Network (LAN) - within the office building etc. • Increase productivity (sharing of resources)
• File sharing, shared database, applications
• Printer server, fax, scanner
• E-mail
Wide Area Network (WAN) - between two cities
• connected by phone lines etc
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Types of LANs
Peer-to-Peer (Workgroup) • No hierarchy - everyone is equal • No central administration
Client-Server
• More powerful with dedicated Servers to meet the demand of all the clients on the network
• Centralized administration
• Passwords/security
• Requires use of a server
Types of Networks - Advantages & Disadvantages
Peer-to-Peer - • Less expensive • Low maintenance
• Easy setup
• Less security
Server-Based -
• Increase productivity
• Streamline operation
• Centralized data
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