This is usually one of the initial questions, which will give the interviewer the opportunity to understand the exposure of the candidate.
Scrum Product Owner is responsible for maximizing the value of the product resulting from the work of the Development Team. However, how the Product Owner accomplishes this can vary widely depending on many factors, including the team, the business stakeholders, and the development processes of the organization. Their job is to act as the proxy of the customer, prioritize the backlog, answer or get answers to the team’s queries and accept/reject the work that the team generates.