> The only solution is to require face-to-face proctored exams and not allow students to use technology of any kind while taking the test.

I completely agree, but the entire higher ed system is moving to on-line instruction.

Basically, if the University of <xyz> follows your suggestion, all of the competing institutions will eat their lunch by offering on-line courses with the "convenience" of on-line assessments" and the University of <xyz> will lose enrollment.

:-(