Networks

Networks

1. LAN

   • Hardware
     • Router
       • Most routers connect to WIFI and Ethernet cables, they allow you to access the internet.
     • Switch
       • Switches can connect to others and create networks (like schools).
     • Ethernet cable
       • You use ethernet cables to connect the router to your devices.
     • Network interface card
       • Devices that connect to LAN and WAN must have a network interface card. This device can connect devices to routers,switches etc.
     • Wireless access point
       • Wi-fi extenders are used to extend the network connection.
   • Ways to connect to a LAN
     • WiFi
       • Advantages
         • No wires
       • Disadvantages
         • Worse connection
     • Ethernet

2. WPAN (Wireless personal area network)

   • Ways to connect to a WPAN/WAN
     • You can connect through bluetooth.
   • Advantages
     • Smaller networks are more secure.
     • Gives you connection to the internet almost everywhere you go (where there is GPRS).