WEBVTT

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Welcome, to domain four, Network Security for the Certified and Cybersecurity

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certification. Networks are the pipelines that allow us to communicate in

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ways that were unheard of only a few decades ago.

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We can share data with friends and business partners around

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the world in seconds. In this module, which accounts for 24% of the exam content,

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we'll examine the types of networks we use and explore how

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to secure those networks so that they provide reliable and

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accurate transmission of data.

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This course is divided into three modules, Computer Networking,

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Network Threats and Attacks, and Network Infrastructure.

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This will provide us with a glimpse into the design, architecture, and

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function of networks, and open our eyes to the ways we can protect those

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networks and the systems that rely on those networks.

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Let's get started with the first module, Computer Networking.