My usual "Pass" answers end up being something specific to the stack a good .net developer should know, with a mutual agreement of just how awesome it is to thi

My usual "Pass" answers end up being something specific to the stack a good .net developer should know, with a mutual agreement of just how awesome it is to think about the smallest steps and finding out how deep - even if in hobby terms - that person's drive to understand it is. There's no rattling off a "freebie" answer to it.