HCIE refers to Huawei Certified Internetwork Expert, which is a certification system provided by Huawei for high-end technical talents in the field of networking, and is one of the highest level certificates for network engineers.HCIE is classified into different specialties, such as data center, enterprise network, and security. By obtaining the HCIE certificate, one can prove that one has reached a very high level of skills and knowledge in the field of networking.