Huawei Certification Huawei certification system is built around the new ICT technology architecture of “Cloud, Management and End” collaboration. According to the learning and upgrading needs of ICT practitioners, Huawei certification is divided into three levels: engineer level, senior engineer level and expert level. Cisco Certification Cisco Career Certifications are launched by Cisco, a famous manufacturer in the network field. Microsoft certification was launched in 1992 and has become increasingly influential in the IT industry.