Yes. You should be able to just put it on the physical interface. The "native" keyword for the encapsulation command is sort of a hack. It basically says, "hey use 802.1q--but don't". It does make the configuration a little easier to follow. If that command isn't available, just put it on the physical interface. The course does use the "native" keyword, so I would assume anything on the exam has been updated. HTH.
Paul thanks for the reply It did help.
I understand just kinda irritated because we didn't ever talk about it in class or ever have to do that on a packet tracer. I always thought that the interface wasn't able to be used when you used sub interfaces.
O well in the long run I guess it makes me learn more and understand it a little bit better then before.