OSI Model Explained from Physical Layer | 7 Layers of Networking Made Simple

Master the OSI Model from the ground up — starting at the Physical Layer! In this video, we go layer-by-layer from Physical all the way up to Application, explaining each with real-world examples. Perfect for beginners, CCNA/CCNP students, and networking professionals preparing for interviews or certifications. What you’ll learn: ✅ OSI Model overview ✅ Layer-by-layer explanation starting at Physical Layer ✅ Functions & examples for each layer ✅ Easy memory tips for all 7 layers Chapters: Introduction Physical Layer Data Link Layer Network Layer Transport Layer Session Layer Presentation Layer Application Layer 📌 Subscribe for more:    / @raghavsecurenetlab   For more content, follow our channel 👉https://whatsapp.com/channel/0029VbBHhaCGO... #OSIModel #Networking #CCNA #NetworkingTutorial #Cybersecurity #RaghavSecurenetLab #paloaltofirewall #ccnp #osimodel