Unit 1.4 Wired and Wireless Networks

Unit 1.4 Wired and Wireless Networks

1. Arpanet

   • The First Ever Network
   • Created by the Americans in the Cold War
   • A network of Nuclear Missile Silos

2. Data Protection Acts (DPAs)

   • Original DPA was made in 1984!
   • Second was created in 1998 because of the rise of internet
   • The third (GDPR) will release on the 25th May 2018!
   • Remember the rules by the mnemonic; FLAAKSTS

3. LAN vs WAN

   • Wide Area Network
     • Connect over a large geographical area!
     • Like many buildings/sites or even bigger!
     • The Largest is the Internet.
   • Local Area Network
     • Connect over a small geographical area!
     • Just one building/site
     • Owners own the network

4. Servers

   • Client Servers
     • Relies on a central server
     • Additional hardware would be required
     • Restrictions can be applied
   • Peer to Peer
     • All computers are equal
     • Individuals back up themselves
     • Each computer can be a client or a server
     • Only one computer can load a persons profile