Most often, instructors want to ensure that learners complete the quiz activities on their own. Quiz security is ensured through the Moodle Quiz settings and course design strategies.
Moodle Quiz is a very effective tool for creating tests and exams, and it is tempting to want to use it for high stakes exams that must be very secure. It is my opinion that this is not likely to be achievable in a web-based exam. If high security is required, consider providing in-person, supervised examinations.
When offering web-based exams, greater security is achieved through the Moodle Quiz settings and using course design strategies.
These can be grouped into three categories. ...