Instant Messaging and Pm

A LAN is short for a local area network a local area network shares information locally like a school or a office building

Wide Area Network: (WAN): http://computer.howstuffworks.com/ethernet2.htm
However a LAN is used to cover a much wider perimeter

Node: http://computer.howstuffworks.com/lan-switch1.htm
A Node is like a workstation it is anything that is connected to the network Computer-n-printer

Media Access Control (MAC) Address: http://computer.howstuffworks.com/lan-switch1.htm
Picture: http://www.freesoftwaremagazine.com/files/www.freesoftwaremagazine.com/nodes/1804/ethernet_mac_address.jpg
Physical Address

IP Address: http://www.webopedia.com/TERM/I/IP_address.html
The

Bus Topology: http://computer.howstuffworks.com/lan-switch2.htm

Ring Topology: http://computer.howstuffworks.com/lan-switch2.htm

Network token : like a Ticket: http://www.webopedia.com/TERM/t/token.html

Star Topology: http://computer.howstuffworks.com/lan-switch2.htm Tree Topology: http://www.webopedia.com/TERM/T/topology.html

Protocol: http://www.webopedia.com/TERM/p/protocol.html agreed-upon format for transmitting data between two devices

Peer-peer Architecture: http://www.webopedia.com/TERM/P/peer_to_peer_architecture.html

Client/Server Architecture: http://www.webopedia.com/TERM/C/client_server_architecture.html

Hubs: http://www.webopedia.com/TERM/h/hub.html

Network Routers: http://computer.howstuffworks.com/router.htm

Switches or Switching Hub: http://computer.howstuffworks.com/lan-switch.htm

Network Interface Card: http://computer.howstuffworks.com/lan-switch1.htm sdfaaaaaaaaaaaaaaaaaaaaaaaa

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