year 8 Revision

year 8 Revision

1. Networks

   • Network security
   • LAN/WAN/WPAN
   • connection types
     • ethernet
     • ethernet
     • wifi
       • wifi is a technolagy that uses radio waves to provide network connectivley.
       • disavantages
         • security- to combat this consederasion, wireless networks may choose to untilize some of the various encryption technologies available
         • Range-the typical range of a common 802.11g network with stranded equipment .
       • advantages
         • mobility- with the emergency of public wifi networks users can access the internet outside their normal work enviornment
         • convince-
     • GPRS
     • Bluetooth
   • fire wall
     • firewall is a system desighned to prevent unauthorized access to or from a private network
   • Anti-malware
     • is a type of software program desighned to prevent, detect and remove malicious software on IT system
   • passwords
     • passwords are the most common way to prove your identity when using websites email accounts and your computer itrself
   • encryption
     • the process of converting information or data into a code.