Step 1) Planning. When you are contacted to schedule an interview, you can ask if there will be a test as part of the interview process. You can also ask how many people will be at the interview. When you prepare for an interview, plan and rehearse answers to potential interview questions.It may be useful to memorize your training, skills and experience, and be ready to answer questions on what you did and how you did it.ere are some suggestions to help you succeed in an interview. 1  Greet the interviewer or panel members. 2  Let the interviewer or panel members take the lead and set the tone. 3  Ask for more explanation if you do not understand a question. 4  During the interview, you may be asked if you have any questions.