Huawei certification is not a national certification, belonging to the vendor certification, that is, the enterprise's own introduction of technical level exam certification. It is divided into HCIA, HCIP, HCIE three levels of certification. Huawei certification is divided into many directions, of which the more common directions are digital communication, security, big data, cloud computing, storage, routing and switching, security, transmission, artificial intelligence, network unified communications, cloud services, data center infrastructure, intelligent computing and so on.