CCNP Routing and Switching ROUTE 300-101 Official Cert Guide

Foundation Topics

The world has changed tremendously over the past 10–20 years as a result of the growth and maturation of the Internet and networking technologies in general. As recently as 1990, a majority of the general public did not know about nor use global networks to communicate, and when businesses needed to communicate, those communications mostly flowed over private networks. During the last few decades, the public Internet grew to the point where people in most parts of the world could connect to the Internet. Many companies connected to the Internet for a variety of applications, with the predominate applications being email and web access. During the first decade of the twenty-first century, the Internet has grown further to billions ...