The OSI Model Explained Simply: 7 Layers | Networking Fundamentals for Beginners (Lesson 6)

The OSI model | Networking Fundamentals, lesson 6 In this lesson: why networking uses layered models, the seven OSI layers with real examples, the data unit and device at each layer, an easy way to remember the order, and how engineers use the OSI model to troubleshoot from the bottom up. Chapters: 0:00 Introduction 0:19 What you will learn 0:35 Why layers? 1:00 The seven layers 1:50 Units and devices 2:19 One example, seven layers 3:05 Remember the order 3:22 Troubleshooting with layers 3:57 Summary 4:17 Quick quiz 4:42 Next lesson Free tools, guides and the full course: https://zyranacademy.com Narration is computer-generated. #osimodel #networking #ccna #networkengineer #itcourse