Networks

Networks

1. What is a network?

   • A network is an interconnected collection of computers

2. Types of networks?

   • WAN - Wide area network
   • LAN - Local Area Network
   • MAN - Metropolitan Area Network

3. Parts of a network

   • Cables
     • Connectors
   • Network Software
     • Network Interface Card

4. What is a topology?

   • The arrangement of computers in a network
   • Examples of topologies
     • Star
       • PRO: If one system breaks, it does not effect the internet.
       • CON: It is dependent of the central computer, and wiring is expensive
     • Bus
       • CONS: If the cable malfunctions, the network goes down. Cables and number of nodes are limited
       • PROS: If one node fails, the others are not effected. Simple and easy to set up.

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