China cloud computing market, Alibaba Cloud, current ranking 1.

The current certificate level in Alibaba Cloud should be divided into three levels, from low to high, namely, Assistant Engineer (ACA), Professional Engineer (ACP) and Senior Engineer (ACE). The business direction is divided into seven directions, namely cloud computing, big data, cloud security, artificial intelligence, database, Internet of Things, and cloud native. However, only cloud computing is the only one that has passed the Advanced Engineer (ACE) examination.

Examination certification doesn't have to start from assistant level, you can get ACP certification directly, but ACE certification must get ACP certification first. ACP certification registration fee 1200 yuan/time, and ACE certification registration fee is 2400 yuan/time. The certificate is valid for 2 years.