An interview is a structured conversation during which the interviewers will be trying to find out more about you, your skills, experience, extracurricular involvement and personal attributes. They are trying to get a real sense of your suitability to the team and organisation. An interview is a two-way conversation: it is your chance to find out more about the opportunity and environment, and to decide if the fit is good for you.
It is not good to believe you don't need to prepare, and be over confident, or to be stressed and overwhelmed.
Know what to expect and to prepare well for each interview. Have a clear understanding of: