Honestly, I am not sure I have personally ever had to communicate low level details like that with anyone else. The people I have talked pogromming with in my life have all be capable technologists, which allow us to discuss in high level detail. If a list is the right data structure for whatever high level problem we are trying to solve, it is assumed we know that and understand how to use it.

> Every interview question can be characterized as trivia if you squint hard enough.

Well, I suppose. And there isn't anything wrong with trivia per se. But at the same time it should not be surprising when someone doesn't have an answer. A lot of this stuff just isn't worth having in immediate memory – unless you enjoy trivia, in which case, cool!