However, luck and performance during the interview also plays a big role in this. If the interviewers happen to ask about something that you are familiar with, or they happen to like your as a person, you can still nail it. Try to prepare a few concrete technical examples that demonstrate your senior/intermediate level understanding in the QA area, and also prepare some stories that show them your soft skills (leadership, time management, interpersonal, working under pressure, etc). If you don't have so many examples, Google it. Present those stories in a confident way during the interview. Good luck