So, you say you can sell? Prove it! If you say you can sell, then you better be prepared to prove it. That's what this question is all about--and it's a popular one.

One of the best ways an interviewer can get a feel for your selling strengths and style is to see you in action. This question is also designed to put you on the spot, see if you can think on your feet, and test your ability to perform under pressure.