How do I get started

Hey there guys, I'm 23 and currently work as the opposition, you Know IT Sales, but I'd like to cross over and become an engineer, does anyone have any advice on how or where I should start?
Eventually I'd like to be a cisco enginner but to be honest I don't have any Knowledge(to speak of) so it would be totally starting from scratch, I'd be totally grateful for any information given.
thanks
Adam
Eventually I'd like to be a cisco enginner but to be honest I don't have any Knowledge(to speak of) so it would be totally starting from scratch, I'd be totally grateful for any information given.
thanks
Adam
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2020 Goals: 0 of 2 courses complete, 0 of 2 exams complete