Some so-called betting topics may be just a marketing gimmick, and the probability of really betting on the original topic is very low. The proposition of educational examination is usually strictly confidential and carefully designed, so it is difficult to predict accurately.
However, some high-quality counseling materials or questions in the course may cover some common test sites and questions. Reviewing these contents systematically can help candidates to strengthen their knowledge system and improve their test-taking ability to a certain extent, but this is not an absolute guarantee to get the correct answer.
Generally speaking, don't rely too much on pre-test questions. Solid study and comprehensive review are the reliable basis for good grades. At the same time, be careful when choosing such products or services to avoid being misled by false propaganda.