Welcome to your interview.
The question is on your right: Handling Model Risk Under Drift. Take a moment with it first.
Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes). Discussion and graded submissions share your five interviewer interactions, so spend them well.
How do you handle model risk when the underlying assumptions of your math no longer hold?