Data Communication and Networking Videos: Data Communication & Networking UnitSubject NameMaterial 1Introduction to Data communicationView 2Physical layer View 3Data Link layerView 4Medium Access control sub layerView 5Network layerView 6Transport layerView 7Application layerView Simplified Material We Provides Best Handwritten Material with Download Facility. Learn at Your Own Pace You can Learn Any time with our website Support. Check Your Knowledge With Quiz We Provides Level-wise Quiz for every Subject and Win Exacting Prices.