Network Fundamentals

Training Overview

This training is designed for anyone who wants to understand the basic concepts and operating principles of computer networks. The course begins by highlighting what a network is and its importance in today's world. In the section on network types, various network architectures are examined, from local area networks (LAN) to wide area networks (WAN) and beyond, emphasizing their use cases and advantages. Detailed descriptions of network devices are provided, explaining how networks are built and the roles these devices play in network operations. Network topology is studied to understand the benefits and challenges of different network arrangements, while communication modes and types show how data exchange occurs.

The training then dives deeply into computer network models; fundamental network models such as the OSI (Open Systems Interconnection) model and the TCP/IP (Transmission Control Protocol/Internet Protocol) model are detailed, including the functions of their layers. The section on protocols and ports offers crucial information about protocols like TCP and UDP and their associated port numbers, which are critical for understanding how the internet operates. Concepts such as Media Access Control (MAC) addresses and Internet Protocol (IP) addresses provide foundational knowledge about how devices are identified and communicate within a network. The topic of subnetting delves into the efficient use of IP addressing structure and network segmentation, covering an important aspect of network management.