Networking Fundamentals and Physical Networks

Overview

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Dive into the foundational concepts of networking with this comprehensive course. From understanding network models to mastering physical network installation, this course equips you with the essential knowledge to navigate and troubleshoot modern network infrastructures effectively. Gain a solid grasp of the OSI model, MAC addresses, IP addressing, and more, setting the stage for advanced networking expertise. The journey begins with an introduction to core network models and progresses to cabling and topology fundamentals, exploring coaxial, twisted-pair, and fiber-optic technologies. You'll then delve into Ethernet basics, learning about frame structures, device interconnections, and standards like Gigabit Ethernet. Each section builds incrementally, ensuring a clear understanding of networking layers and components. Next, you’ll transition to physical network installation. Learn structured cabling techniques, testing methods, and troubleshooting strategies to handle real-world scenarios. This hands-on approach ensures you're well-prepared for practical challenges in the field, enhancing your ability to design and maintain robust network systems. Ideal for aspiring IT professionals, this course is designed for beginners with no prior networking experience. Whether preparing for certifications like CompTIA Network+ or seeking to advance your IT career, you’ll find the content approachable yet thorough.

Syllabus

Network Models

In this module, we will explore the foundational concepts of network models, including their structure, purpose, and application. Topics include the OSI model, MAC addressing, and logical IP addressing, providing a detailed understanding of data encapsulation and traffic types within a network.

Cabling and Topology

In this module, we will delve into the physical layout and materials used in networks, including topologies, cabling types, and fire ratings. Learn the technical specifications and real-world applications to design efficient and safe network infrastructures.

Ethernet Basics

In this module, we will uncover the core principles of Ethernet technology, from its foundational concepts to practical cable termination. Discover how hubs and switches handle data traffic and learn techniques for expanding network connectivity.

Ethernet Standards

In this module, we will examine the standards that define Ethernet technologies, focusing on speed, distance, and compatibility. Learn about transceivers and how to troubleshoot common Ethernet connectivity scenarios.

Installing a Physical Network

In this module, we will focus on the installation and maintenance of physical networks, from structured cabling components to real-world troubleshooting methods. Learn about cable testing, termination, and tools to ensure reliable network performance.