Networks

Networks

1. LAN (Local area network

   • Devices that are connected over small geographical area
   • Hardware needed
     • Ethernet cable
     • Router
     • Server
     • Wifi extender
     • Network interface card
   • Advantages
     • You can connect to Ethernet or WiFi to your router
     • WiFi is Free
   • Disadvantages
     • WiFi can be hackerd by unauthorised users
   • Ways to connect to a LAN
     • Ethernet
       • Wired Connection
     • WiFi (Not the internet)
       • Wireless Connection
       • Disadvantages
         • It has a slower transfer spped than Ethernet
         • It has a shorter range compared to Ethernet because an Ethernet cable can be transported from one room to another and WiFi sometimes can't
         • It can be accesed by unauthorised users and Ethernet can't
       • Advantages
         • Good for connecting portable devices to a LAN
   • Hardware needed to connect your devices into a LAN

2. WAN (Wide Area Network)

   • Hardware needed
     • Telephone line
     • Modem
     • Satelite link
     • Router (With modem built in)
   • Networks connected over a large geographical area

3. WPAN (Wireless Personal Area Network)

   • Advantages
     • It can pair up to 7 devices at once
   • Disadvantages
     • Can be hacked by unauthorised users
     • The range is quite short