
7.1 What is the Internet?
Figure 83. What is the Internet?
Key Points
The Internet is the largest computer network linking TCP/IP based universities,
government agencies, companies and computer “hosts.” Security is a major
concern when connecting to the Internet.
Presentation Script
The Internet is:
•
A Network of Networks - concatenation of over 40K networks all connected
together.
•
Second largest network in the world, after the global phone system. The
phone system can be a good analogy since they both have no single entity in
charge and it still works, grows, and evolves as demanded. You can also
analogize about the infrastructure and technology evolutions. ...