[greyface-]

If all assessment is proctored in-person, it's easily enforceable.

[nradov]

Do scores on proctored exams have any correlation with job performance? Employers mostly care about ability to complete projects on time and get along with colleagues. How do you put that on an exam?

[dyauspitr]

For basic courses yes. Anything graduate level usually involves papers that take weeks or months of work.