Hardware of Networks

Hardware of Networks

1. Router

   • Connects networks together
   • Connects a network to the internet
   • Can connect devices together

2. Hub

   • Connects devices together to make a LAN
   • DUMB
     • Broadcasts the message to everyone to find who needs it
   • Interchangeable with switch

3. Switch

   • Connects the devices to make LAN
   • SMART
     • Checks the IP adress to see who the message needs to be sent to

4. Bridge

   • A device that links two parts of the same LAN
   • Act like part of the same LAN
   • Reduces traffic

5. Server

   • A computer dedicated to responding to its client
   • File Server
   • Mail Server
   • Web Server
   • Print Mail

6. NIC

   • Network Interface Card
   • Added to the motherboard
     • Modern devices have built in NICs
   • Allows any device to connect to the network

7. Modem

   • Allows a network to connect to the internet over telephone lines

8. WAP & Wireless

   • Wireless Access Point
   • Allows devices to connect to a wired network via Wi-Fi

9. Wires

   • Fibre-Optic
     • Glass fibres- sends light signals
     • Fastest
     • Most Expensive
   • Twisted Pair
     • Two wires going parallel with same infomation
       • Reduces interference
     • Made of copper
   • Coaxial
     • Made of copper

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