Bah... let me give you a bit of wisdom from someone who spent several decades(!) teaching at
a (community) college ... and who still does.
If you're going to college, and one of the requirements is "Linux Fundamentals,"
all you really need to do is to pay a visit to the department chair. Talk
to him or her about what you've already done, and what you already know. It ought to be fairly easy to convince that individual that, in your case, the requirement is clearly irrelevant and ought to be excluded. (Even the "Linux+ alternative" ... which was put into place by some academic committee, (heh)
... might be "clearly irrelevant" in your
Therefore: "make an appointment, and then, very politely, make your case." The curriculum, the course of study, is a generic thing ... but every student's background is unique. If you truly do not need to take a course, then it would be a waste of resources to blindly make you do so. Frankly, that "course-seat" (a very finite resource ...)
might be much better spent accommodating some other
... someone who does
need to take the class! A department chairman is, for this very reason, empowered to make such a call.
"Authority has its privileges."
P.S.: B-u-t i-f
him-or-her responds "in the negative," then listen very closely
to his-or-her explanation ... because you will
learn something very-important about "the designers' intent" concerning the degree program of which you are a part. If such a judgment should be handed down, accept it.