Answer:
More knowledge and relax mind.
Step-by-step explanation:
To feel prepared and confident for the interview, you must gain more knowledge in the field for which you are giving the interview because the interviewers will ask you many questions related to your field. You have to prepare your mind for the interview, this preparation gives you confident when you faces the interviewers. Do not take stress and relax your mind before going to the interview will help you to be confident for the interview so more knowledge and relax mind gives you the confident for your interview.