China Mobile's online college exam questions are different. According to the public information of relevant materials, the examination question bank of China Mobile Network University is very large, containing a large number of questions, and it is constantly being updated and expanded. Therefore, each student's examination questions are randomly generated from this huge question bank, so the questions are different and the examination time is different. The examination time of China Mobile Network University is chosen by the students themselves, so the examination time of different students is different, and the generation of examination questions is related to the examination time, so different exams.