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Computer Network
Computer Network Terminology
Question | Answer |
---|---|
Network | interconnected computers that are all connected to each other and the main purpose is to share information between one computer to the next |
LAN - Local Area Network | normally in one building |
MAN - Metropolitan Area Network | connected between a couple of buildings - less than 30 miles apart |
WAN - Wide Area Network | anything over 30 miles apart - largest WAN is the Internet |
Node | anything physically connected to the network for example a printer or server |
Communication Media | how nodes are linked for example coaxial cables or fiber opic cables |
Workstation | personal home computer |
Client | any part of the network that gets the data - the client will talk to the host and ask for information |
Host | any part of the network that gives the data out - the host will give the client information |
Server | offers a lot of users access to the same information - example of something that would be on a server are Webpages |
Ethernet card | network card that allows you to connect to a cable modem |
Telephone Network Interface Card | network card that allows you to plug a telephone line in |
Wireless card | network card that allows you to connect without any cables |
NIC - Network Interface Card | special card that you install on your computer that allows you to plug either an ethernet or get wireless that you can connect to the network |
Examples of nodes that connect to a network | printer, server and computer |
Examples of common communication medias | coaxial cables, optical fiber, radio waves |