There is no doubt that universities and other learning institutions will keep using online exams in the future. In case the exams are no open-book exams, there must be any kind of proctoring. Students complain about the well-known online proctoring tools. They have issues with the handling of illnesses, which could be categorized as cheating attempts. Another big problem is when during an exam the screen automatically switches to the setup screen.
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Don’t take too much advice. Most people who have a lot of advice to give — with a few exceptions — generalize whatever they did. Don’t over-analyze everything. I myself have been guilty of over-thinking problems. Just build things and find out if they work.