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Networking - Coggle Diagram

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- - - - Bluetooth
      - Wi-Fi
  - - - IP addresses
      - An IP address is an identifier for a computer on a network.
      - An IP address is made up of 4 bytes worth of data separated by – The numbers will range from 0-255 e.g. 128.56.91.7 - This is known as an IPV4 Address.
      - IPV4 Addressing is limited, There are only 4.3 billion different IPV4 Addresses available.
      - We are running out (have run out of) IPV4 addresses.
      - IPV6 I.P. Addressing
      - IPV6 addresses use hexadecimal values 0-9 and A-F.
      - They are made up of 4 hexadecimal digits in 8 groups separated by :
      - Examples include: AAAE:1063:110A:BEEF:0FA5:0010:1010
      - MAC Addressing:
      - Media Access Control.
      - This is a unique address That cannot be changed.
      - It is stored on the device network interface card.
      - They are stored as hexadecimal values six pairs of digits.
      - The first three pairs identify the manufacturers
  - - - HTTPS (Hyper Text Transfer Protocol Secure)
      - HTTP (Hyper Text Transfer Protocol)
    - - IMAP (Internet Message Access Protocol)
      - SMTP (Simple Mail Transfer Protocol)
      - POP(3) (Post Office Protocol)
    - - FTP (File Transfer Protocol)
      - TCP/IP (Transmission Control Protocol / Internet Protocol
  - - - The TCP/IP model consists of four layers.
      - This gives the model a modular design.
      - It allows for hardware and software manufacturers to adapt only individual elements of the process.
      - Application Layer
      - Used in software such as email clients and web browsers.
      - Encodes the data so it can be understood by the recipient.
      - Formats the data and attaches a Header depending on the protocol being used either SMTP or HTTP(S).
      - Transport Layer
      - Splits data into packets.
      - A sequence number is attached (1 of X where "X" is the amount of packets) so that the packets can be re-assembled once received.
      - This is also required for error checking for lost packets.
      - Happens at the router and uses TCP.
      - Network Layer (Internet Layer)
      - Attaches the IP address of the sender.
      - Attaches the IP address of the recipient.
      - Link Layer (Data Link Layer)
      - Attaches the MAC address of the sender and recipient.
      - This allows the individual device that needs the data to be identified.