Local Area Network: Network which covers a small geographic area, located on a single site
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WAN
Wide Area Network:Connects LANs which are in different geographical location, Expensive, infrastructure needed.
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Bandwidth
Maximum amount of data that can be transferred in a given time.
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Affect of too many users
Bandwidth is shared between users, too many users or heavy use can cause congestion and slow the network down, solutoon: limit available bandwidth
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Wired & Wireless
Wired connections are normally more reliable & faster than wireless, Fibre Optic>Copper Wireless depends on signal strengthand is affected by the range of the device, physical obstructions and the amount of interference
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NIC
Network Interface Card: internal hardware that allows a device to be connected to a network
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Switch
Switches connect devices on a LAN. they receive data from one device and transmit it to the device on the network with the correct MAC address
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Routers
Transmit data between networks, always connected to at least 2 networks, direct packets to their destination
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Wireless Access Points
A switch which allows devices to connect wirelessly, wireless connection uses radio waves to transmit information
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Ethernet
Ethernet cables are used to connect devices in a LAN, have twisted copper wires to reduce internal interference
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Copper Cabling
Single copper wire protected by a plastic layer and a metallic mesh which provides cabling from outside interference
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Fibre Optic
Transmit data as light, super fast, no interference, cover large distances but very expensive
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Client-Server Network
Managed by a server, Files are stored centrally, clients send requests to the server asking for data and a response is given
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Peer-to-Peer Network
Don't user servers, all devices are equal, connect to eachother without a server, files stored on individual devices
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Other cards in this set
Card 2
Front
Wide Area Network:Connects LANs which are in different geographical location, Expensive, infrastructure needed.
Back
WAN
Card 3
Front
Maximum amount of data that can be transferred in a given time.
Back
Card 4
Front
Bandwidth is shared between users, too many users or heavy use can cause congestion and slow the network down, solutoon: limit available bandwidth
Back
Card 5
Front
Wired connections are normally more reliable & faster than wireless, Fibre Optic>Copper Wireless depends on signal strengthand is affected by the range of the device, physical obstructions and the amount of interference
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