Simply put, computer networking is the study of how computers can be linked to share data. The concept of connecting computers dates back to the 1960s, when the Department of Defense led the first ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Several responses to the last tutorial pointed out how intricate and complex the world of IP ...

This sample chapter from the only authorized companion guide for the Cisco Networking Academy Program introduces newcomers to the basic concepts and components of modern computer networks. The chapter ...