Your answers to the questions of the interviewer depend upon your confidence and knowledge. Ensure you’re confident while answering their questions and have valuable knowledge of the related tools and software used in the video production process. You should demonstrate your vision to them and what capabilities you are willing to bring to their table. Do some research on who is interviewing you, the company and person, and come up with your own questions to ask and discuss, as it will show your eagerness to take hold of the job.