1, you can't take the postgraduate entrance examination in junior year, but you can apply for it in senior year. Undergraduate junior is a non-fresh graduate and cannot apply for the exam.

2, even if a fake registration is made, it is easy to be found when it is confirmed on the spot. Even if it is passed, it doesn't mean much. It just depends on the topic.

3. The "National Master Admissions Guide" stipulates that fresh graduates with nationally recognized academic qualifications will be disqualified when they enroll.