Local Area Networking and the OSI Model - Online course| Alison

Computer Networking - Local Area Networks and the OSI Model - Revised

Learn about Local Area Networks (LAN) and the seven layers of the OSI Model with this free computer networking course.

Network and Security
Free Course
This free online Computer Networking course will give you an in-depth look at Local Area Networks and the OSI Model. Local area networks (LANs) are computer networks that range in size from a few computers in a single office to hundreds of devices across several buildings. With this course, you will learn more about LANs' key features and how they link computers together and provide shared access to printers, file servers, and other services.
  • Duration

    1.5-3 Hours
  • Assessment

  • Certification

  • Responsive

  • Publisher

    Channel 9





View course modules


This course will first give you an overview of the Local Area Network (LAN) and how a computer network interconnects computers within a limited area. The course will then discuss important network terminologies to help you better understand the components that are required to get computers and other types of hardware to communicate with each other. You will also study Serial Data Transfer and IP Addresses as well as the different types of networks and computing.

You will then look into the Open Systems Interconnection (OSI) model and how its layers determine the movement and consumption of network traffic. The course will discuss the Physical Layer or Layer 1, the Data Link Layer (DLL) or Layer 2, the Network Layer or Layer 3, the Transport Layer or Layer 4, the Session Layer or Layer 5, the Presentation Layer or Layer 6, and Application Layer or Layer 7, along with their functions.

A local area network (LAN) helps businesses, schools, and other organizations conduct their daily operations smoothly and securely. Setting up a reliable local area network will not only benefit you and your employees but also your customers and business partners. This network and security online course is designed to give you a strong grasp of the structure and function of LANs and OSI, so check out the course today and start bringing your professional skills to the next level.

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Learning Outcomes

Having completed this course you will be able to:

  • Define what Local Area Network (LAN) means.
  • Describe the key devices found on a LAN.
  • Explain how Hubs, Switches and Routers function.
  • Describe how Ethernet functions.
  • Describe the structure and function of IP Addresses.
  • List the seven layers of the OSI Model.
  • Describe the functions of each layer of the OSI Model.
  • List the four layers of the TCP Model.
  • Describe the functions of each layer of the TCP Model.
  • Explain the differences between the OSI Model and the TCP Model.


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