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 ...

The process of troubleshooting your network involves a methodology that starts with cabling and works through the OSI model to the application layer. The network devices have a network cable that ...

Multicast and broadcast traffic could be straining your network, and it's impossible to see.

A wireless router is a staple in any home that has a broadband Internet connection, whether it be via a cable or phone service provider. Here are the basics you need to know before getting a wireless ...

The MACsec, IPsec and SSL/TLS/DTLS protocols are the primary means of securing data in motion (communicated between connected devices). These protocols can be anchored in hardware or implemented in ...

This presentation covers the principles of measuring high-frequency electrical networks with network analyzers. You will learn what kinds of measurements are made with network analyzers, and how they ...