Network revision

Network revision

1. Advantages

   • 1.you can transfer data from one device to another
   • 2.if one computer is broken you can just use the other one
   • 3.you can work anywere with a diffrent laptop

2. Disadvantages

   • 1.your laptop/computer could be hacked
   • 2.the internet and the network cost alot of money
   • 3.to install a new internet point you have to get proffesionals

3. Types of topologys

   • Star- star shaped row of computers powerd bye one computer
     • ring- group of connected computers connected to one computer
   • bus- every computer connected to one central lime

4. Lan- local area network

   • Wan-wide area network

5. IPadress- name of the device on a network

6. bus- a connection of a line of computers that are connected to one central line

   • ring- group of connected computers but connected to one main one
     • Advantages of ring- no colisions , cheap
       • disadvantages for ring- data links, catastophic failure
   • advantages of bus- cheap,easy to add to.
     • disadvantages of bus- data collisions,catastrophic failure.
   • star- a group of computers shaped as a star powered by one main computer
     • advantages of star- fast, easy to add, no failure, no data links.
     • disadvantages of star- reliant on switch,expensive

7. An Ip address is a unique value assighned to every computer on a network , used to identify it.

8. Messeges on a network have an Ip address attached,which is how a computer knows whether or not to keep the messege.

9. the internet is a WAN

10. devices on the internet need Ip address, just like any other network.