Networks

Networks

1. Local area network (LAN)

   • Hardware needed
     • Ethernet cable
       • A wired connection to the router/ switch
     • Router
       • Connects all devices together
     • Switch
     • Wireless access point (WAP)
   • Ways to connect to a LAN
     • WiFi
       • Advantages
         • WiFi has a longer range compared to ethernet because WiFis range is able to go up to 32 Mtrs
       • Disadvantages
         • Wifi isn't as fast compared to internet seeing as WiFi's max transfer speed is 250 mbs
         • WiFi is not as sercured/encrypted as ethernet this means it's easier to hack and potentially steal your data
     • Ethernet
       • Advantages
         • Ethernet has a faster data transfer compared WiFi because it is aable to transfer 1000 mbs
         • Ethernet is more secured than WiFi this means that what goes through an ethernet cable is more encrypted
       • Disadvantages
         • An ethernet cable can only travel so far compared so u would need to buy more cables
   • Advantages
     • Your able to share data/files/documents,
     • Can connect other computers together (logins) together.

2. WPAN

   • How to connect
     • Bluetooth
   • Examples
   • Advantage
     • Being able to share files more securely than WiFi, seeing as WiFi can be intercepted by hackers
   • Definition: Being able to pair peripheral devices to a computer system over a short range
   • Disadvantage
     • Hasn't got as much range as WiFi, becuase its max range is aprox 30-35 mtrs

3. WAN