Chapter3

Ethernet Basics

“In theory there is no difference between theory and practice. In practice there is.”

—Yogi Berra

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In this chapter, you will learn how to

Define and describe Ethernet

Explain early Ethernet implementations

Describe ways to enhance and extend Ethernet networks

In the beginning, there were no networks. Computers were isolated, solitary islands of information in a teeming sea of proto-geeks who banged out binary messages with wooden clubs and wore fur pocket protectors. Okay, maybe it wasn’t that bad, but if you wanted to move a file from one machine to another, you had to use Sneakernet, which meant you saved the ...

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