Your question is Smart Home Entry System. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Design a smart home entry system.
Asked in the Problem solving / whiteboard stage. Explain your target users, the entry scenarios you would support, and how you would prioritize the experience. Address security, accessibility, reliability, privacy, and failure recovery. Define how you would evaluate whether the system is successful.