Because it is not a certificate from the same department. The national vocational qualification grades are divided into five grades: primary, intermediate, advanced, technician and senior technician. Five-level primary skills of national vocational qualification: able to use basic skills to independently complete the routine of this profession.

Introduction to the National Computer Rank Examination: NCRE is a national computer proficiency examination approved by the former State Education Commission (now the Ministry of Education) and sponsored by the Examination Center of the Ministry of Education. It faces the society and is used to examine candidates' computer application knowledge and skills.