A computer network course covers fundamental principles, protocols, and technologies essential for designing, implementing, and managing networks. It introduces network architecture, protocols, and topologies, progressing to OSI and TCP/IP models. Students learn about network devices, including routers, switches, and firewalls, and explore data transmission mechanisms and encoding techniques. Wired and wireless networking technologies like Ethernet, Wi-Fi, and Bluetooth are examined, along with network security measures such as authentication and encryption. The course also addresses network management protocols like SNMP and troubleshooting techniques. Internet and web technologies, including HTTP, DNS, and IPv6, are covered, as well as emerging trends like SDN and IoT. Through hands-on labs and projects, students gain practical experience in configuring devices and analyzing network traffic. Real-world case studies provide insights into applying theoretical concepts. Overall, the course prepares students for careers in designing, securing, and managing computer networks effectively.