The part 3 would consist of follow-up questions. The follow-up questions would be related to the topic which would be given in the part 2 of the IELTS exam.  Part 2 will also consist of about 10 questions and the candidate will have to answer those questions. The examiner will ask each question one by one and once you have answered the question the examiner will ask the next question. You can ask the examiner to repeat the question and so it would be a good idea to ask the examiner to repeat the question. If you fail to answer the question correctly then the examiner will skip to the next question.