There were multiple steps to the interview, including an assessment of a website and a test to see how you respond to stressful situations and manage your time. During the actual interview part, they focused on asking about your strengths and weaknesses.

You apply for PM or TS, and they may let you know you are also considered for QM role. The interview includes the presentation that you have to make. I think it is effectively the same as PM but you are judged for PM (IS) or QM.