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what is a protocol

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Dave Baldwin
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A protocol is a specific method for a network connection such as http, ftp, smtp, etc.  The actual details of a protocol are in the binary code implemented in the driver software.  This article https://en.wikipedia.org/wiki/Internet_protocol_suite lists most of the Internet protocols in use.  From a user viewpoint, all you usually need is to make sure your software is using the same protocol as the site you're trying to connect to.
Protocol is a certain way of communication in between devices.  The devices communicating with each other need to be talking in the same language.
Are we doing your homework?  Just wondering...
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ASKER

"Are we doing your homework?  Just wondering..."

No, I graduated high school over a decade ago.
Perhaps I should have expanded more on the question - I want to know what exactly a Protocol is comprised of and how they're built -i.e. Assembly/Machine Code?

What is a Protocol, exactly?
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Dave Baldwin
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data rich answers thanks