The interviewer would like to know more about the types of decisions you are accustomed to making in the workplace. The way you answer this question will give them a good idea of your level of experience, seniority, and ability to handle the decision-making requirements in this position.
If the job you are interviewing for requires you to be decisive and quick on your feet, you will need to be able to provide examples of how you have done these things in the past. If you worked in tech support, you faced problems you needed to find solutions for regularly. If you worked as a sales rep, you might have been required to know how to negotiate and make decisions on prices and benefits you can give your customers.
You may have faced decisions that became so routine you didn't think twice! Refer to these types of decisions and be sure to highlight how these types of decisions have prepared you for a role like this one.
