Computer Networks: Implementation & Security

Master modern computer networking and build the skills required to design, implement, and troubleshoot secure network systems. Learn how real-world networks operate and how to manage them effectively. This course provides a structured journey through networking fundamentals and advanced concepts. You will start with core principles such as the OSI model, TCP/IP communication, and subnetting, building a strong foundation in how networks function. You will then explore network infrastructure, including VLANs, DHCP, NAT, DNS, wireless technologies, and virtualization. The course also covers physical networking and WAN technologies, helping you understand how enterprise networks are designed and maintained. A strong focus is placed on network security and business continuity, including access control, threat detection, and disaster recovery strategies. You will also learn structured troubleshooting techniques and diagnostic tools to resolve real-world network issues. By the end of the course, you will be able to confidently analyze, implement, and troubleshoot modern network systems, preparing you for networking and IT infrastructure roles.