If you are at all interested in breaking into sales and trading, this is the definitive guide I wish I had when I first interviewed and started as a summer analyst at

Asked questions by two interviewers, then by another flight of two interviewers. Very friendly and pleasant experience. All in all, it took about an hour or so. There were some standard tell me about yourself questions, some questions about understanding finance, and some curveball creative questions like estimating the revenue of a local company.