This question is clear, well-written, and about a topic that many people will likely face during the interview process. Knowing the answers to this question could possibly help someone pass an interview and land a job they need, or it could help someone know that the job they're interviewing for just isn't for them. It could result in someone's increased happiness, either way, by giving them the confidence to know if the position is for him or her.
While it's quite possible this is not a real, actual problem the asker is facing, we shouldn't take this too literally; it is a real, actual problem someone might likely face or perhaps a problem the asker may have even faced in the past or will face in the future.
We oftentimes suggest to new users that they focus their questions on a problem they're facing because it's the easiest way to get people to think along the lines of what would be a good, constructive topic for a Stack Exchange site. While it is possible to ask about a problem someone else might have, it isn't always easy, and many people have trouble wording questions in a constructive manner that they don't have a direct interest in.
As for answers, the top answer meets the guidelines in the FAQ. It's backed up with facts, references, and the specific expertise of the author as a person who has conducted many interviews.
In this case, our users nailed it!