Huawei certification is a global certification system for the IT industry, covering a wide range of fields such as networking, cloud computing, storage and big data. There are four levels of Huawei certifications: HCSA (Huawei Certified Solution Specialist), HCIA (Huawei Certified IT Fundamentals Specialist), HCIP (Huawei Certified IT Expertise Professional), and HCIE (Huawei Certified IT Interdisciplinary Expert). Each level contains different exam subjects and grades. Huawei certification exams cover the following areas: Theoretical Knowledge: Includes basic theoretical knowledge in related technical areas, such as network principles, routing and switching, cloud computing fundamentals, and storage technologies. Practical Operation: Examine the practical operation ability and skill level of candidates through practical exercises in network configuration, debugging, and troubleshooting in a laboratory environment. Solution Design and Implementation: For some of the high-level certifications, it is also necessary to examine the candidates' ability to design and implement solutions in actual work. In short, Huawei certification exams are very comprehensive and specific, covering many aspects of the IT technology field, and examining different levels and directions from basic knowledge to practical operations and real-world applications. Therefore, obtaining Huawei certification can prove that you have professional skills and knowledge, and have a certain advantage in career development and competition in the IT industry.