Before getting their Commercial Driver’s License (CDL), long-haul truck drivers must pass the CDL exam. The CDL exam varies f. Do You Have What It Takes To Be a Successful Online Student? This survey is based on a 12 week, 3 unit class. Eight-week classes require more time per week. Related: Most Job Candidates Fail My Simple Interview Test Right Away. Here’s How. How to Interview Your Interviewer How Auth….