Since we live in a not-so-ideal world and there are all kinds of people, it is expected that your interviewer would expect you to deal with different kinds of people, and therefore, this question becomes slightly more important than the other social media marketing interview questions.  The first step to avoiding hateful comments is to acknowledge their presence. If you already expect some people to be abusive or mean toward your brand, you can create a better framework to deal with it. You also need to express that you will be dealing with hateful comments or a crisis like such in a polite, mature but also a compact way so that you don't appear submissive as a brand. You should also learn the community guidelines of the social platform you intend to handle and the company you want to join and talk about applying them in the best possible way in the interview. And yes, previous experience in handling such situations helps so don't shy away from sharing such experiences.