Level 2 is not enough, level 3 is ok. It depends on when you were born. If you are older, you should be able to apply for the second level if you have a certain job. This thing should be no problem as long as you study hard, and it is not as difficult as you think. After studying for more than half a month, I passed. If you study, you should choose a larger and more formal training institution. At present, the biggest one in the province should be Shenyang Zhihong Vocational Training School, which will give you a head teacher of their human resources major.