Restore a backup from older versions Log in to a Moodle as admin and restorea course from the file  backup-moodle2-course-4-c102-20180116-1830-nu.mbz Confirm that you see the following warnings in the middle of restore process  The questions category "Default for Miscellaneous", originally at system/course category context in backup file, will be created at course context by restore The questions category "Cat A", originally at system/course category context in backup file, will be created at course context by restore The questions category "Cat B", originally at system/course category context in backup file, will be created at course context by restore Confirm that the restore process completes without any error Visit the course you just restored and go to the question bank Confirm that you see the following categories in the question bank and the numbers in front of each category are the same: Question categories for 'Course: xyz' Cat 1 (2) Cat 2 (2) Cat 3 (3) Cat A (2) Cat B (2) Default for C102 (0) Default for Miscellaneouse (0) Question categories for 'Category: Miscellaneous' Default for Miscellaneous (0) Questions categories for 'System' Cat I (2) Cat II (2) Default for System (0) Go to the course main page and click on the single quiz activity the course has Confirm that the quiz has 10 questions, 4 of which are random questions from the following categories: Cat 2, Cat 3, Cat B, Cat II Random question from Top category Edit quiz questions and remove all non-random questions from the quiz Add a random question to the quiz and set the category of the random question (i.e. the category that the random question is going to be picked from) to the "Top" category of the course. Confirm that a new question titled "Random (Any category in this course)" is added to the quiz Export Go to the "Question bank > Export" in the course Choose the 'Moodle XML format' Confirm that the "export category" drop-sown menu contains all 'Top' categories Select the course context's 'Top' category and export questions to file Open the exported file and confirm it contains all questions that are inside any sub-categories of the exported 'Top' category Other things to check Go to the question bank and confirm that you cannot edit or delete any of the 'Top' categories Edit the quiz's questions and try to add a true/false question to the quiz Confirm that the category drop-down menu that is displayed on the 'add question' form does not contain ant 'Top' category Backup/Restore from same version Create a backup of the course Restore the backup into a new course Confirm that the new course has the same question categories and questions as the original course