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Local Area Network (LAN) Example: Computers in the computer lab that connect to each other and printers. Wide Area Network (WAN) Example: Company computers connecting to each other from all over the world. Personal Area Network (PAN)
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Local Area Network (LAN) Example: Computers in the computer lab that connect to each other and printers. Wide Area Network (WAN) Example: Company computers connecting to each other from all over the world. Personal Area Network (PAN) Example: Bluetooth headset connecting to a mobile phone.
PAN, LAN or WAN? The Internet
Network Topologies Peer Client-Server Peer-to-Peer Network Architectures TCP/IP IPX/XPS SNA Novell AppleTalk NetBIOS Network Protocols
Network Cabling • Unshielded Twisted Pair • Shielded Twisted Pair • Thick Coaxial Cable • Thin Coaxial Cable • Fiber Optic Cable • Wireless Communications
Network Equipment - Hub Connects Computers on a LAN
Network Equipment - Switch Connects Computers on a LAN – Smart Hub
Network Equipment - Router LAN WAN Connects Networks
Network Equipment - Firewall Connects Networks – Smart Router