1.4 Networks (3)

1.4 Networks (3)

1. Internet

   • Worldwide connection of computers connected together
   • Operate on protocols like TCP/IP

2. DNS Server

   • HTTP puts the packets together
   • Tells us its located on the World Wide Web
   • Domain name would be ocr.org.uk
   • http://www.ocr.org.uk
   • We would need to know the IP address if we didnt have DNS
   • DNS allows us to type in a URL instead of using IP addresses

3. Hosting

   • For other people to see your web page it would need to be placed on a web page
   • You would need to register the domain name and the registrar ensures its unique
   • The domain name will also have its own IP address

4. The Cloud

   • Increases storage for phones
   • Can access the files from anywhere
   • interact with others

5. Virtual Network

   • On LAN networks its possible to break into virtual networks to stop a group from seeing another group on this network
   • determines on software on what virtual networks can be accessed
   • Easy to Maintain
   • Machines can be added or removed without re-wiring