. Bring all necessary documents / Dress appropriately / Arrive early / Ask questions at the end of an interview Research the company Be professional and ask relevant questions one by one. Give candidates ample time to think before they answer. You can start with the general questions first and move on to specific ones regarding their resume, skills and experience. Listen to each candidate's answers and ask follow-up questions if necessary. In the end, you can ask the candidates if they have any queries. Inform the candidates when they can expect a response from the company.