When answering this question, you can talk about several factors that contribute to a video going viral. For example, videos that are funny, surprising, or emotionally touching tend to get shared a lot. Content that is relatable or trendy, or that features something unique or unexpected, also has a higher chance of spreading quickly. In addition, the timing of posting, the use of catchy titles or hashtags, and being shared by influencers can all help a video go viral. You can also mention that sometimes it’s just luck or being in the right place at the right time.