chapter 21

The Internet

[Cueball sitting at computer]

Voice outside frame: Are you coming to bed?

Cueball: I can’t. This is important.

Voice: What?

Cueball: Someone is WRONG on the Internet.

XKCD, “DUTY CALLS

Image

In this chapter, you will learn how to

Explain how the Internet works

Connect to the Internet

Use Internet application protocols

Troubleshoot an Internet connection

The Internet was once the domain of academics and technologists, but over the past few decades it has mushroomed into a dense fabric that interconnects literally billions of devices—including devices used mainly by people and devices that just do their own thing ...

Get Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition now with the O’Reilly learning platform.

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