Networking Basics

Jul 8, 2024

Lecture Notes

Networking Basics

IP Address and Subnet Mask

  • IP Address: A unique address assigned to each device on a network.
  • Subnet Mask: Used to divide the IP address into the network and host portions.
    • Example Mask: 255.255.255.0
  • Function of Subnet Mask:
    • Determines which portion of an IP address is the network portion and which part is the host portion.
    • Example explained: 255.255.255.0
    • The first three octets (255) represent the network portion.
    • The last octet (0) represents the host portion of the IP address.