Checking who they are once isn't the same as knowing who they are the whole time.

A candidate can pass check-in and still hand off the keyboard at minute forty. Most proctoring stacks were built to catch content cheating, not Identity Drift, mid-session.

This isn't a pitch to replace your current vendor it's a narrower question, worth asking alongside whatever you're running today, the same one ANAB-accredited programs and state licensing boards are already being asked to answer.