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