Oscar is a excellent computer programmer who has been asked by a local university to teach a course in computer sciences. As part of the curriculum, Oscar teaches students how to bypass certain security features of popular software programs. During one class lesson, Oscar opened a homework grading software and d$$monstrated to students the exact steps to uncover all the correct answers. Is Oscar's conduct a violation of the DMCA?

No$,$ because it was done for educational purposes.

Yes, because he knowingly bypassed the security protocol.

Yes, because it does not meet a fair use exception."

No$,$ because there was no financial harm.