Computer Networks
This course offers a step-by-step immersion into the world of computer networks: from basic concepts and clear examples to complex technologies used in real corporate infrastructures. The training is structured so that even a beginner can quickly get oriented, while an experienced specialist can systematize and deepen their knowledge.
In the first lesson, you will learn what a computer network is, why it is needed, and how it is structured. Using simple analogies—like a WhatsApp group chat—we will explore the principles of device connections, the concept of protocols, the advantages of networks (such as resource sharing, load balancing, reliability, and location independence), and data transmission modes (simplex, half-duplex, full-duplex).
Read more about the course
The subsequent modules of the course expand your horizons step by step:
- Types of networks and topologies - from local to global, from bus to star;
- OSI and TCP/IP models - layers, functions, comparison;
- Network equipment and cabling systems;
- Ethernet, ARP, VLAN, protocols for all levels;
- IPv4/IPv6 addressing, routing, BGP, OSPF, EIGRP;
- Switching technologies and IEEE standards;
- Security - from firewalls and IDS/IPS to VPN and cryptography;
- Network monitoring, diagnostics, and optimization;
- Modern approaches - virtualization, SDN, CDN, redundancy.
The course combines theory with practical examples, so you not only memorize terms but also understand how they work in real conditions.
After completing the program, you will confidently navigate the field of network technologies, understand architecture and protocols, and be able to design, configure, and analyze the performance of computer networks.
Watch Online Computer Networks
| # | Title | Duration |
|---|---|---|
| 1 | 1. Introduction to Computer Networks | 12:34 |
| 2 | 2. Types of Networks and Interconnected Networks | 08:50 |
| 3 | 3. Network and Logical Topologies | 16:38 |
| 4 | 4. OSI Model and Layers | 22:43 |
| 5 | 5. TCP/IP Model and Its Layers + Comparison | 10:17 |
| 6 | 6. Network Cabling and Connectors | 13:17 |
| 7 | 7. Network Devices | 09:43 |
| 8 | 8. Ethernet Frame Structure + ARP + NAC | 12:32 |
| 9 | 9. Network Protocols | 13:01 |
| 10 | 10. Application Layer Protocols... | 12:15 |
| 11 | 11. Layer Functions, Protocols and Connectionless vs Connection-Oriented Protocols | 10:12 |
| 12 | 12. IP Addressing (IPv4 and IPv6) | 10:07 |
| 13 | 13. Subnetting, Supernetting and Classful vs Classless Addressing | 13:14 |
| 14 | 14. Network Address Translation (NAT), Dynamic Host Configuration Protocol (DHCP), Domain Name System (DNS) | 12:39 |
| 15 | 15. Routing Algorithms | 14:57 |
| 16 | 16. Distance Vector and Link State Routing Protocols | 14:00 |
| 17 | 17. Border Gateway Protocol (BGP), Interior Gateway Protocols (IGRP, EIGRP, OSPF) | 12:01 |
| 18 | 18. Switching Techniques | 10:29 |
| 19 | 19. Ethernet Standards (IEEE 802.3) and Wireless Networking (IEEE 802.11) | 08:16 |
| 20 | 20. Ethernet Switching and VLANs | 09:19 |
| 21 | 21. Data Link Protocols and Spanning tree Protocol | 11:57 |
| 22 | 22. Network Security Fundamentals | 13:02 |
| 23 | 23. Firewall and their Types | 07:43 |
| 24 | 24. Intrusion Detection and Prevention Systems | 14:20 |
| 25 | 25. Virtual Private Networks (VPNs) and Public Key Infrastructure (PKI) | 11:59 |
| 26 | 26. Cryptography Basics (Symmetric and Asymmetric Encryption) | 08:55 |
| 27 | 27. Transport Layer Security (TLS) and SSL | 14:25 |
| 28 | 28. Network Layer and Application Layer Firewalls | 15:14 |
| 29 | 29. Traffic Management Techniques | 20:51 |
| 30 | 30. Quality of Service (QoS), Bandwidth and Latency, Network Congestion and Control Mechanisms | 16:20 |
| 31 | 31. Network Performance Metrics | 13:44 |
| 32 | 32. Network Troubleshooting Techniques | 13:30 |
| 33 | 33. Network Monitoring and Management | 11:30 |
| 34 | 34. Network Protocol Analysis Tools (Wireshark, tcpdump) | 10:12 |
| 35 | 35. Client-Server Vs Peer-to-Peer Architectures | 17:04 |
| 36 | 36. Network Design Principles and Considerations | 11:19 |
| 37 | 37. Load Balancing Techniques, Content Delivery Networks (CDNs) | 14:30 |
| 38 | 38. Network Virtualization | 10:55 |
| 39 | 39. Software-Defined Networking (SDN) | 11:43 |
| 40 | 40. Network Reliability and Fault Tolerance | 11:47 |
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