When enabled, a link to the the answer sheet appears on the quiz. The answer sheet is meant to be a navigational tool for users to use when navigating a lengthy quiz. For example a quiz with more than 20 questions.
The answer quiz will display the correct answer feedback to the learner if "Correct answer" is checked anywhere else than "After the quiz".
The answer sheet link is shown as a button on the quiz.
The answer sheet columns are set by using the "Review options" configurations on the quiz.