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Introduction to Networking.md

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Introduction to Networking

What is an IP address?

  • An IP address is a unique identifier for a device on a network.
  • It is a 32-bit number that is usually written in dotted decimal notation, such as 192.168.57.139.
  • The IP address is used to route data to the correct device on the network.
  • The IP address is also used to identify the device on the network.
ifconfig or ipconfig

What is a MAC Address?

TCP, UDP, and the Three-Way Handshake

SYN > SYN ACK > ACK

Common Ports and Protocols

The OSI Model

Please Do Not Throw Sausage Pizza Away

Subnetting