Huawei certification, the China Software Evaluation Center's soft test, Cisco certification and Ruijie certification are more well-known certifications in the IT industry, the difference is mainly in the following areas: different areas of coverage: these certifications correspond to different areas of knowledge. Huawei certification is mainly centered on Huawei's own solutions, products and technologies; soft test certification is more focused on software engineering capabilities, management and project implementation capabilities; Cisco certification covers a wide range of content from network basics to the professional field; Ruijie certification is mainly focused on LAN switches, router equipment and other aspects. Depth of knowledge and difficulty of different: different certification exams vary in difficulty and depth of knowledge, according to the field and the level of different have obvious differences. Different Recommended Targets: These certifications are mainly recommended for different groups. For example, Huawei certification is suitable for personnel engaged in Huawei solutions, products; soft test certification is recommended for software engineers or computer-related graduates; Cisco certification is suitable for network engineers or other network-related staff; Ruijie certification is mainly suitable for staff engaged in the maintenance of local area network equipment. Certification value is different: the recognition and value of different certifications are different, but the specific recognition and value will fluctuate in the industry. In short, Huawei certification, soft test, Cisco certification and Ruijie certification and other certifications are more representative of the IT field certification, choose which certification depends on their own needs, direction and goals.