The only difference between the two is that the name of the school is different. The graduation certificate of the national university graduation is the name of the national open university, and online education is online education. The names of the schools may be Sichuan University, Sichuan Agricultural University, Southwestern University of Finance and Economics, etc. In other words, the only difference between online education and CDB is that the school name is different, and everything else is the same. Online education is what we often call online education. Sign up twice a year, in spring and autumn. Registration can be done at any time of the year. Take the entrance examination after registration, and then you will have a student status.