Network

Network

1. A network is a group of computers that are connected

2. networks allow computers to.......

   • share files
     • so the same files are available on whichever computer you use
   • share resources
     • such as printers and internet connections
   • share logins
     • so the same username and password can be used on every computer

3. disadvantages

   • extra hardware is needed
   • things become more expensive
   • more things could go wrong
   • it could require technical experties

4. W A N

   • Wide area network
   • large geo location

5. L A N

   • local area network
   • small geo location

6. bus

   • consists of a single cable
   • cheaper
   • Alternatively referred to as line topology, bus topology is a network setup where each computer and network device is connected to a single cable or backbone.

7. star

   • all computers are connected to a central switch
   • star is a network operating system constructed with each office, computer, printer etc.
   • Star topology is a network topology where each individual piece of a network is attached to a central hub the central component is visually represented in a form similar to a star.

8. ring

   • communication goes in one direction ONLY
   • connected in a close path to create a ring
   • A ring topology is a network configuration where device connections create a circular data path. Each networked device is connected to two others, like points on a circle.

9. IP address

   • an IP address is a unique value assigned to every computer on a network, used to identify
   • messages on a network have an IP address attached, which is how a computer knows whether or not to keep the message.

10. internet

    • wired
    • its arranged with devices with in mesh topolgy
    • mesh has excellent resilience to outages
    • 2 connections
    • cost assigned to each each connection in mesh