With new rules, Minnesota driver's license exams are back online Some may have to redo earlier tests after state addressed "irregularities"on website. By Tim Harlow Star Tribune December 16, 2020 — 5:20pm Text size Copy shortlink: Online road knowledge tests are back. The state's Driver and Vehicle Services (DVS) division on Tuesday resumed offering online Class D knowledge exams after taking the system down last month to improve security and ensure integrity of the testing system. There are some changes: Test takers will have to begin the exam immediately after registering, and proctors will be limited to supervising tests for three prospective drivers a year.