What would you do if your replacement doesn't show up?
The answer to this question allows you to showcase your problem-solving skills. With your answer, the interviewer is expecting you to know that maintaining the coverage is important than your plans. The best answer would be: I will be giving my best to train and provide all types of assistance to the person who is going to be my replacement. If at any point, I will find that person doesn’t show up as my replacement I will talk to my manager and update him about this and also try to create some documentation that the team can refer to after my exit.