I have just published a couple of articles on preparing for an interview. The first was on clarifying the goal for the interview and the second was on using an approach I called GRIFT to create a more robust structure.
The final stage of preparing for an interview is to come up with an agenda and preferred set of questions. In some cases you might use a very detailed and structured approach, while in others you might not spend any time preparing your questions.
Either way it helps to have an overall structure for an interview and one approach you might try for this is to use “FOC” or Frame-open-close. You can use this approach when preparing for an interview or you can use it without any more preparation as the interview starts.