It’s not reasonable to assume candidates who took the exam later will have cheated. It unfairly penalizes honest candidates. Sure there’s the option to cheat for later exam takers, but the day the CAS stops relying on an honor code is a dark day. Also I’d believe there’s a significant amount of material mastery required to pass even if you do know what types of questions will be on the exam, unless you have a perfect photographic memory, which in that case you’re probably going to pass anyway.
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