To tell the truth, this is indeed the formal diploma of Wuhan University, but the undergraduate certificate and degree certificate issued by Wuhan University are absolutely different from ours. Although the self-taught examination and the unified examination are both national education systems, they are naturally different in nature. You can check the details online.
As for whether this test is useful or not, it is hard to say. To be sure, if you use this to find a job, it will be the same as a junior college, because the self-study exam has no credibility in society. Generally, people who take the self-study exam are those who come out to mix degrees, in order to evaluate their professional titles and get promoted. But if you have personnel relations in a certain unit, this is definitely useful. After entering the unit, this can be used as an undergraduate diploma as long as there is a relationship, but the premise is that there is a relationship in this unit. If one day you resign, you will still be a junior college student.
Actually, I don't blame Wu Da for this kind of thing. This is true all over the country and in colleges and universities. Self-taught examination belongs to national quality education, which is to use the resources of colleges and universities to let more people receive higher education, thus improving national quality. Those who go abroad for self-study exams are generally uneducated, unemployed or elderly. They take the self-study exam only to improve themselves. In China, self-taught exams often pay more attention to degrees for work, but the self-taught exams themselves can't be like this.
Personally, I think we should study in a junior college first. After my freshman year, if I think I can read and am interested in this major, I can make a set of books to read.