They ask this kind of common behavior questions is asked to assess your personality. This allows the interviewer to assess your goals and aspirations.
Portfolio managers work with a team of analysts and researchers and are ultimately responsible for making the final investment decisions for a fund asset-management.
Portfolio managers tend to specialize when it comes to styles of investing. Investment styles include hedging techniques, growth or value style of management, small or large-cap specialties, and domestic or international funding investing.
Portfolio managers often meet with high-level investors and potential investors in person.
I hope that will help you.