Digital Technology

Digital Technology

1. The meanings of LAN, WAN, WPANand PAN

   • LAN
     • This covers a little area - like a building or one room
     • a LAN is a network of computers within the very same building
     • A LAN isn't nessessarly connected to the internet
     • It meansLocal Area Network
   • WAN = Wide Area Network
     • This covers a wide area - like buisnesses
     • It means Wide Area Network
     • The internet is a WAN
     • This requires media such as broadband cables
     • A wide Area Network is created when LANs are connected together
   • PAN
     • This is a computer network for interconnecting devices centered on a individual person's workspace
     • A PAN network provides data transmissions amongst devices
     • It means Personal Area Network
   • WPAN
     • It allows an individual to connect devices to a/any device machine
     • It means Wireless Personal Area Network

2. Types of Network Attacks

   • DDoS
   • Man in the Middle
   • Evil Twin
   • Evesdropping
   • message tampering
   • IP spoofing
   • Brute Force Attack
   • Man in the browser
   • DNS spoofing

3. Systems Level Security

   • At the system level, businesses can keep their networks secure through the use of ........
     • Usernames and Passwords - one step authentication to the system. Only staff and students can access our network. Two step authentication would include an extra step