Had one instructor (back when I was going to UCF) who graduated from University of Texas (at Austin)...he knew those State Machines (he was good at them). He didn't know what the hell PKZIP was (or why one would use it to turn in code that was larger than 1.44 M on a floppy).
(BTW: if the kid is claiming 5 years experience ... in particular C++ experience...ask him why the hell he didn't use the STL?)