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1.3 Networking - Coggle Diagram

- - - - Sending data to all devices slows the service down
      - Hubs cannot view MAC addresses and send data to all devices
    - - once data is received it is amplified and sent to its destination by sending it to all PCs
      - data is called frames
- - - - Automated
        
        Dynamic IP for mobile phones
        
        Situational
      - Manual
  - - - New form of IP being developed
        
        Example: AD34:65AD:1111:04DC:3456:0000:DF34:34ED
        
        340 trillion combinatons
      - IPv6 is 128 bits long
        
        8 groups
        
        Each group has 4 hexadecimal values
        
        16 bits
- - - - The internet was created by the US government to send and take data from their researchers
      - Official creation happened in 1993 when important protocols were made
      - Computers were large immovable boxes at this time
      - an early version was formed in 1960s
    - - TCP (Transmission Control Protocol)
        
        Organises data into Packets
        
        Ensures security
      - IP [internet Protocol]
  - - - 3 Key parts of web browsers developed by Tim Berners-Lee during the creation of the internet
        
        URL [Uniform Recourse Locator] - The Unique address for all websites
        
        HTTP [HyperText Transfer Protocol] - A simple way for receiving data from across the internet.
        
        HTTPS [HyperText Transfer Protocol Secure] - An encrypted version of HTTP which prevents data being taken.
        
        HTML [HyperText Markup Language] - The standard format for all websites.
- - - - IP addresses are hard to remember because of their long string of numvers.
        
        Websites are given a Domain name from the Domain Name Server (DNS)
        
        DNS (Domain Name Server
  - - - URL types
      - 1 Sent to local DNS
      - 2 sent to next level DNS
      - 3 Sent to high level DNS
      - 4 If not found error returned
- - - - Given to device by manufacturer
      - Cannot be changed under most circumstances
  - - - Written in hexadecimol
      - Each address can identify the manufacturer