📖 Lesson 7 — TCP/IP Model

Lesson Introduction 🌍

In the previous lesson, we learned about the OSI Model.

The OSI Model gave us a way to understand communication by dividing networking into seven layers.

However, there is another model that is even more important in the real world.

The model that powers:

• The Internet.
• Websites.
• Online banking.
• Cloud services.
• Social media.
• Almost every modern network.

This model is:

The TCP/IP Model

Learning Objectives

By the end of this lesson, students should understand:

✅ What the TCP/IP Model is.

✅ Why TCP/IP is important.

✅ The four layers of TCP/IP.