1.4

1.4

1. key words.

   • Arpanet-First ever network
   • WAN-Wide area network(computers over a small geographical area such as external hardware and external in structure e.g use of satellite
   • LAN-Local area network(connected together over a small geographical area such as a single building or a single site e.g home network, school network)
   • fibre optic-high band width more data can be sent at once.
   • node-a workstation on a network
   • SSL-secure socket layer
   • TCP/IP-break protocols down into layers so we can work on individual layers without impacting other layers

2. school owns all the communication/telly

3. client server network so you can access your data from the server.

4. the internet is the biggest netwwork

5. we can use 50-100 networks a day

6. peer to peer no central server

7. client server

   • additional hardware would be needed
   • all computers have equal status
   • each device can act as a client and server
   • all devices can request and provide network services
   • no additional hardware/software needed to set up this type of work
   • all files can be stored centrally on a client server
   • workers can access files from anywhere. peer to peer all files are stored on their own computers.
   • back ups are easily managed on a client server as these can be done centrally from the file server.
   • all data is backed up in one go
   • peer to peer all computers are responsible for backing up their own files
   • software installation for peer to peer has to happen locally
   • centralized security on client server and central location
   • Ethernet cable is 185m long