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LESSON 3 – PORTS AND PROTOCOLS
3.1 Introduction
The text and exercises in this lesson try to impart a basic understanding of the ports and
protocols in current use, as well as their relevance within the operating systems, Windows and
Linux.
Additionally, you will have the opportunity to become familiar with a number of useful utilities
which will allow you to properly understand the network capabilities of your computer system.
At the end of the lesson you should have a basic knowledge of:
- the concepts of networks
- IP addresses
- ports and protocols.
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