notes

  • What is a network?
  • Hardware needed to create a Network
  • Advantages and Disadvantages
  • Network Security





homewor

  • School Network Map


What is a Network?

a network is an

  • Hardware Needed to create a Network


  1. Workstation
  2. Network card
  3. Server
  4. Hub



diagram.JPG2.JPG


Advantages and Disadvantages


Advantages

· Share Resources (Printers, storage drives…)
· Communicate easily (homework teachers -> students,
o Chat, social networks, email…)
· Workstations not so full (files on file server)
· Once network
is setup i
t’s cheap to communicate
· Collaborative work
o Wikis, Blogs…
· Not have to move to do certain things (Online banking…)
· If not working -> can’t do work, can’t access your files.
· Technical expertise to install / manage
· Viruses spread easily
· It can get overloaded and work slowly
· Can be expensive to setup / maintain
· Fault in network -> loss of user data
Network security


#Username ­­– name identifies user of net.
#Pass Word--- verifies your identity
#fire wall ---blocks unauthorized communication to and for networks
#anti-virus software