You could have double-downed on being a double-dumbass. They usually cancel each other out.

AS THIS COMMERCIAL IS OBVIOUSLY NOT CANON, THEY CAN DO WHATEVER THE FUCK THEY WANT IN THE EXPANDED UNIVERSE. DENIS IS OKAY WITH ALLOWING MINUTAE TO PASS BY UNMOLESTED. INSTEAD, HENRIKSEN FELL INTO'S DENIS'S NERD-TRAP.

Denis, I will never believe anything you say, ever again.

It's the Constitution Class Enterprise, post TOS refit, as you can CLEARLY see them using footage of the ship about to enter standard orbit around Regula Class-D asteroid from ST 2. Since this Enterprise lacks battle damage, we can assume this mission took place during their next Five-Year Mission after their conflict with the V'Ger probe in ST: TMP, probably a year after. (As we all know that was when the bad body-suit uniform was dropped in favor of the burgundy style with ranking flap). Though why Scotty is in a ST5 era Engineering suit is beyond me.

And sadly, while this entire comment from me is a joke... It doesn't change the fact that I didn't have to look up any of the above "facts".

I am a nerd.

You're totally fine, there's a shot in Star Trek VI of Scotty clearly in the Enterprise-D engineering set and they didn't even replace the TNG yellow Okudagrams with the TOS movie style green ones. So the Enterprise-D apparently had a "retro" design.
They're cheap bastards and we put up with it. They should have rebuilt the engineering set from the first movie.
Here's that shot:
http://movies.trekcore.com/gallery/albums/…

And then in Generations they flipped the Bird of Prey explosion from the Star Trek VI fight. Behold, the temporal causality loop of cheapness!