To pass Huawei certification exams in one go requires solid preparation and adequate practice. Listed below are some suggestions for preparing for Huawei certification exams: Understanding the content of the exam: Before you start to prepare, you should have a detailed understanding of the content and requirements of the exam, including the exam subjects, the exam format, the exam time and the exam fee. Study materials: You can choose to study the study materials provided by Huawei's official teaching materials, training videos or attend training courses. At the same time, you can also read relevant books or refer to knowledge resources on the Internet for supplementation. Practice experiments: Huawei certification exams focus on practical operational skills, so you need to practice network configuration, debugging and troubleshooting in a lab environment. Tools such as virtual machines and simulators can be utilized for practice. Practice Tests: Participating in practice tests can improve familiarity with the exam format and content, help candidates identify their weak points, and make up for and review them in a timely manner. Make a plan: You can make a detailed study plan and review plan according to your personal situation and the requirements of the exam, and grasp the time schedule and key points. Finding the right study method: Different people have different study methods and habits, and should find a suitable study method for themselves, such as reading, practicing, and listening to lectures. In short, to prepare for Huawei certification exam and pass it at once, you need to conduct systematic study and practical training, combined with practice tests and exam registration, etc., which can effectively improve the passing rate.