Unit 1 and 2 Revision

Unit 1 and 2 Revision

1. Networks

   • WPAN
   • WAN
   • LAN

2. Connection types

   • Bluetooth
     • You can pair up to 7 different devices using this 
   • WiFi
     • Used to give devices the ability to use the interweb
   • Ethernet
   • GPRS

3. Network Types

   • WAN
     • Wide Area Network
     • A group of LANs connected over a wide geographical area
   • WPAN
     • Wireless Personal Area Network
     • A device connected to peripherals often over a small area
   • LAN
     • Local Area Network
     • A group of devices connected over a small are network

4. Connection types

   • Bluetooth
     • Can connect to seven different peripherals
   • WiFi
     • A wireless network type used usually to connect devices to the internet
   • Ethernet
     • Ethernet is a wired network type usually used on computers
   • GPRS
     • General Packet Radio Service
     • A wireless network type that allows you to connect to the internet wherever there is signal

5. Network Threats

   • Phishing
     • people actively trying to access your data by trying to make you click a link
   • Malware
     • malicious software that infects files and data
   • DOS attacks
     • Denial of service an attack on the network that infects the software
   • Scamming
     • Targiting individuals to steal there money or information

6. Security measures

   • Anti-malware
     • periodically scans your computer putting any malware into quarintine

7. performance upgrades

   • upgrade to Solid state
     • This solid state drive has a higher read/write speed
   • Adding cores

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