Discuss the following, giving your arguments for or against. your friend is against examination. He argues that they only make a student nervous. You believe that the exam system may not be perfect, but it's the best, surest and quiclkest way to test a person's knowledge.
Firstly, examination is the best way to rate your knowledge. If you know enough it would not be a problem for you. In my opinion - there is no disadvantages. Just relax and write or speak what you learned.