Networks- The basics

Networks- The basics

1. Topologies

   • Bus
     • Cost effective
     • Devices connected to shared cable
     • Easy to add extra devices
   • Ring
     • Faults difficult to locate
     • one break= whole network fails
     • Easy to add devices
   • Star
     • Higher cost
     • Depends on router
     • Easy to add extras

2. Intranets and Extanets

   • Intranets
     • Same technology as internet
     • Sends data around a network
     • Private network
   • Extranets
     • Allows other parties

3. Lan's and Wan's

   • Lan's
     • Cable,wireless,infrared,microwave links
     • Cheap
     • Local area
   • Wan's
     • In lots of places/areas
     • Expensive

4. Hardware: printers

   • Software

5. Data

6. Internet connection