Networks

Networks

1. Devices

   • Modem
     • Converts a computer´s digital signal into an analogue signal
   • Hubs
     • Are hardware devices that can have a number of devices or computers connected to them
   • Switch
     • Checks the data packet, receives and work out the destination address
   • Bridge
     • Connect one LAN to another LAN that use the same protocol
   • Router
     • Enable data packets to be routed between the different networks

2. Is

   • A group of devices that connect to other to allow the sharing of data

3. LAN and WAN

   • LAN
     • Local Area NEtwork
   • WAN
     • Wide Area NEtwork

4. IP and MAC address

   • IP
     • Gives the location of a device on the internet
   • MAC
     • Identifies the device connected to the internet

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