The exam can be formal, or informal, but you should consider all exams formal exchanges in order to make a good impression. For both types, you must listen carefully to the question, and answer directly.
Formal exams follow a list of questions in a prepared format.
Informal exams are more open, your responses are usually longer, and evaluations can be more subjective. Preparation Ask your teacher what will be on the exam. If you do not study, you will not do well. Create a good impression. Arrive at the location early to collect yourself and check out the situation, but wait until your scheduled time to keep the appointment.