⟩ How would you define your success in your job?
Most researches show that the single best predictor for who will perform well and succeed in a new job is the one who possesses learning agility (a quick learner) and the one who can adjust himself/herself to new and different jobs.
Past performance or even experience, skills and intelligence are not as important as learning agility.
Therefore, there is a tried and tested reply to this question that helps you appear level-headed and knowledgeable.