Good communication between departments is always important to the success of a company? Tell me about a time when you have worked with another department and how it went.

The interviewer is attempting to assess your ability to interact with others positively. He needs to know that you are a good team player and will get along with those around you. In addition, you may receive feedback from someone other than your direct supervisor, and the hiring manager wants to ensure you can process this without becoming defensive. Recognize the necessity of good communication between departments and be positive as you give specific examples from your previous employer. You want to impress the interviewer as being committed to the success of the entire organization.