> Things more complicated than that that need exact answers shouldn't exist in an interview.

Agreed, testing for arcane knowledge is pointless in a world where information lookup is instant, and we now have AI librarians at our fingertips.

Critical thinking, capacity to ingest and process new information, fast logic processing, software fundamentals and ability to communicate are attributes I would test for.

An exception though is proving their claimed experience, you can usually tease that out with specifics about the tools.