Chapter 4: Configuring Internet Access

Exam Objectives

check.png Getting connected to the Internet

check.png Working with TCP/IP technologies on the Internet

check.png Configuring Internet settings with Internet Explorer

check.png Working with firewall devices to protect your computer

In this chapter, you examine how to connect to the Internet and discover some of the basics of how it works. This chapter is chock-full of terminology that you need to be familiar with as well as different methods available to access the Internet. Because the Internet now plays such an integral part in many people’s lives, as a CompTIA A+ Certified Professional, you should be familiar with where it came from — and how to connect to it.

Understanding the Internet

The Internet was originally created and implemented by DARPA (Defense Advanced Research Projects Agency; often referred to as just ARPA) in response to a U.S. Department of Defense (DoD) request. At the time, the DoD was concerned about its centralized communications network. Most communications were relayed through a central computing system or hub, and damage to that system could ...

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