What is Classless Addressing? Difference between Classful and Classless Addressing. Advantages of Classless Addressing.

What is Classful Addressing? What is the Classful Addressing example? Disadvantages of Classful Addressing

The types of IP address classes. What is Subnet Mask, and how it works? What is Subnetting, and how to create subnets?

What is TCP/IP and how does it work? TCP/IP Model Explained. What are TCP/IP addresses? Difference between TCP and IP.

What is the Protocol number in TCP/IP? Differences between IP address and Port number. What is Socket in a network?