What you learn in school does not mean what you do at work
Being a computer science major, I have basically signed up to learn how to write software and work above the actual hardware layer.
I would get to apply what I learned in school if I was on the right team, but of course that team is filled with Electrical Engineers and CIS (business) majors which don't understand any theory/reasoning behind computer science...
So today I look at AMD architecture and need to figure out how to tell the hardware that the ethernet is not plugged when it's not plugged in!