Introduction to Computer Networking

In this lesson, technology expert Todd McLeod explains the difference between intranets, extranets, and VPNs, and shows how these networks are used.

In this lesson, technology expert Todd McLeod gives a brief overview of the different kinds of cables used to connect computers to and within a network.

In this lesson, Todd McLeod discusses the science of wireless connections and the radio waves that make them possible, as well as radiation concerns.

In this lesson, discover exactly what a network topology is and how each router, computer, and connection in the network is affected by these arrangements.

Technology expert Todd McLeod discusses the two most common network models that serve as part of a network's architecture and shares how those setups function.