networking

networking

1. advantages

   • share files.
     • the same files are available whichever computer you use
   • share resources
     • such as printers and Internet connection.
   • Share Logins
     • the same username and password can be used on every computer on the network

2. disadvantages

   • Expensive
     • extra hardware and wiring needed
   • More room for error
     • if something goes wrong it can affect every computer
   • Difficult
     • it requires a technical expertise
   • Malware
     • viruses and other malicious software can spread through the network

3. types of networks.

   • LAN
     • Local Area Network.
       • a network contained in a single goeographical location or organisation
   • WAN
     • Wide Area Network.
       • A network that spans a large geographical area, or multiple organisations
       • Often consists of multiple LANs networked together

4. topoloogy

   • ring
     • advanages
       • cheap
       • no collisions
     • disadvantages
       • catastrophic faiiliure
       • difficult to add computers
   • star
     • advantages
       • low faliure
       • no collisions
     • disadvantages
       • expensive
       • depends on switch
   • bus
     • advantages
       • cheap
     • disadvantages
       • collisions
       • catastrophic faliure

5. ip address

   • it is a unique value assigned to every computer on a network, used to identify it

6. internet

   • advantages
     • a lower cost means faster connection
   • disadvantages
     • While a mesh network like the Internet is very reliable, it has a big downside when compared to other topologies like a star