Test delivery settings control whether or not the test questions and answer choices can be randomized. Now that you have created the test questions [KB], the final step is to setup test delivery. From your test options, select "Questions" as shown below:
Click "Test Delivery Settings" button to bring up the delivery options popup.
Enter how many questions you would like to randomly show to test takers. By default, it shows all the questions you have published. For example, this feature is extremely useful when you may have a set of 200 test questions, and you want to show only 50 questions to be randomly from the questions pool to candidates when taking the test.
By default, the system randomizes the questions and answer choices. Select 'No' to turn off that feature.
You'll see two advanced features that is designed to pull questions evenly from all objectives and/or based on questions difficulty level.