Network

Network

1. Transmission Media

   • Coaxical cable
     • Signal travels for 150m without repeating
     • Limited bandwith
   • Wireless
     • Portable
     • It's slow
   • Fibre optic
     • It's really fast
     • Very expensive
   • Wired
     • It's fast
     • Inefficient - Wires sometimes too small

2. Types of networks

   • Local Area Netword ( LAN )
     • Easier to share data
     • Ability to share expensive peripherals in a small area
   • Wide Area Network ( WAN )
     • Easier to share data
     • Allows very expensive peripheral devices to be shared
   • Peer-to-peer
     • Cannot allocate security levels
     • Cheap
   • Client/server
     • Can allocate seciurity levels
     • Very expensive
   • StandAlone

3. Cloud storage

   • Unlimited data
   • Cannot operate without internet
   • Covers very large areas