| Lecture 0 | Introduction (updated 22/02/2024), |
| Lecture 1,2 | Concept of Computer Networks.pdf (updated 22/02/2024) |
| Lecture 3,4 | Physical layer (updated 9/10/2025) |
| Lecture 5,6,7 | Datalink layer (updated 30/10/2025) , |
| Lecture 8,9,10,11 | Internet layer (updated 22/02/2024), |
| Lecture 12,13 | Transport layer (updated 22/02/2024), |
| Lecture 14,15 | Application layer (updated 22/02/2024), |