1. Online education belongs to the national education series and is recognized by the Ministry of Education. Theoretically, you can apply.

2. But it actually depends on the recruitment requirements of each unit. If the application requires "full-time undergraduate degree", then you can't apply for any adult education degree.

3. Age limit has nothing to do with academic qualifications. Generally, undergraduate students are required to be under 35 years old, which also depends on the application requirements.