If you want to get Huawei's network optimization certification, you first need to understand the certifications related to network optimization in Huawei's certification system. Huawei certifications related to network optimization include the following three: HCPA-IP Network (Huawei Certified Preparatory Expert Level - IP Network) HCIA-Routing&Switching (Huawei Certified Junior Network Engineer - Routing & Switching) HCIP-Routing&Switching (Huawei Certified Network Engineer - Routing & Switching). If you want to get Huawei's Network Excellence certification, you are recommended to study and prepare for the above certification routes, and pass the corresponding exams to obtain the certification qualification. Among them, HCPA-IP Network is a preparatory expert level certification, which you need to pass a more difficult exam to obtain; while HCIA-Routing&Switching and HCIP-Routing&Switching are primary and intermediate network engineer certifications, which you need to pass the corresponding exams to obtain. It is recommended that you start with HCIA-Routing&Switching to gradually improve your skill level and certification level. At the same time, it is recommended that you attend an official Huawei certification training course, so that you can better understand the content and focus of the certification exam and improve the probability of passing the exam.