Networks, Hardware and Commercial Usage

Networks, Hardware and Commercial Usage

1. A Gateway

   • Joins together two networks that use different base protocols
   • Links different types of networks together
   • Links LAN to WAN

2. A Bridge

   • Joins together two networks that use the same base
   • Links similar types of networks
   • Links LAN to LAN

3. Communication devices

   • Similar to a hub but more intelligent
   • Can look at a packet of dta to decide where it should go
   • Reduces the number of packets of data on a network, which speeds it up

4. POS- Point of sale systems

   • Where you pay for your goods at a shop/store
   • Can use networks to automatically record stock levels and work out what is selling well