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What is a Network Protocol?
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Well a Network Protocol is essentially a set of rules
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and conventions that governs the communications
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between Network devices or as an example
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between Computers on a Network
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In order for 2 Computers to talk to each other
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as an example they must be speaking the same language
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If I only speak English and you only speak French
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we’re not going to communicate effectively
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In the same way, when 2 Computers communicate with one another
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there needs to be a set of rules governing
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how those computers exchange data
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and effectively communicate with one another
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In our everyday lives we follow guidelines or rules
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when we communicate with one another
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As an example; when you drive on the road
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you follow a set of rules
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when the traffic light is green it means GO
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when its red it means STOP
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Now networking there are many types of Networking Protocols
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and standards to ensure that Computers
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can effectively communicate with other devices
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which maybe right next to them
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or on the other side of the world
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Later in this course you’ll learn about
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the OSI Model or Open Systems Interconnection Reference Model
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which defines 7 layers of Networking Protocols
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For now simply understand
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that a Network Protocol is essentially
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a language that governs
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the communications between
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the Networking Devices
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