Data networks form the backbone of all modern communication systems. Whether you're working in telecoms, IT, or a related field, a solid understanding of networking fundamentals is essential for navigating today’s connected world. This short, single-module course provides a clear and accessible introduction to how data networks operate, laying the groundwork for further study in networking, internet technologies, or telecommunications.

In just three hours, you'll explore the foundational concepts of computer networking, starting with the purpose and structure of data networks and the key terms you need to know. You'll learn about how packet-switching enables efficient data transfer, how the Ethernet protocol supports local area networks, and how the TCP/IP model underpins communication across the internet.

The course also introduces you to key internet operations and services, providing insight into how global connectivity is achieved and managed. Whether you're new to networking or seeking a refresher, this course gives you the essential knowledge you need to understand how data moves reliably and efficiently across modern digital systems.
Designed for technical professionals and learners with little or no prior experience, this course is the perfect starting point for anyone looking to build confidence in the principles of data networking.

Course Contents                        

• Background to Computer Networking
  
• Packet-Switching Principles
  
• The Ethernet Protocol
  
• TCP-IP
  
• Internet Operations and Services