62db5789_Known_Issues__Affected_Users
[Current Issue] Quizzes: When previewing quizzes, if a lecturer completes the quiz then clicks the back button on their browser, the display on the quiz timer resets to where it was when the page originally opened. This means that it may appear as if the preview quiz has additional time, even though the timer has actually run out. [Status] This issue is currently with Moodle HQ. [Affected Users] 
Teaching staff previewing a quiz, Be aware that timer irregularities during quiz previews are not experienced when students attempt the quiz. Regardless of whether they click the back button or click the quiz in breadcrumbs and attempt the quiz again (or continue their attempt), the timer will show the correct time Note: This is part of the Moodle 2 design and affects only the lecturer preview of quizzes. It does not affect how students see the quiz timer.
Known Issues
Affected Users