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<v ->In this section of the course,</v>



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we're going to discuss network attacks.



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There are many different types of threats out there



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and many of them carry out their attacks over your networks.



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These attacks include things like denial of service attacks,



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spoofing, hijacking, replays,



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transitive attacks, DNS attacks,



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and ARP poisoning.



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Now, before we get into all of those different types



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of attacks, though,



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it's important for us to do a quick review



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of the basics of ports and protocols



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that you learned back in Network+.



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After all, the exam is going to focus



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on particular ports and protocols



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and how it's best to secure them.



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So, let's get started with our review



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of ports and protocols in the next lesson.