Introduction

By itself, the computer sitting on your desk is a powerful personal and business tool. Link that system with 1, 2, or even 1,000 other computers, and the possibilities and potential of your system become almost endless. That is the nature of networking.

Companies of all sizes depend on a collection of interconnected computers to conduct business. These computer networks make possible most of the applications and services used in corporate and home environments. Email, printing, real-time communication, file sharing, and videoconferencing would all be unavailable (or pointless) without networks.

The CompTIA Network+ exam is designed to prepare people to work with and around computer networks. The CompTIA objectives introduce basic ...

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