Interview was conducted through a job agency. When I arrived on site the production manager led me into a storage room where the interview was held. I had brought a portfolio of work which I had been recommended to bring, however the interviewer did not ask any questions about this work even though it was relevant to the work. I was asked about questions which weren't relevant to the role, and was asked multiple questions more than once. It appeared the interviewer didn't know the time which he was hiring for.