Alibaba Cloud Cloud Computing Architect Certification (ACE- Alibaba Cloud Certified Expert) exam is a single exam for the role of solution architect in Alibaba Cloud. Technical certification can effectively prove that Certification staff has the following capabilities: identify and collect requirements, so as to rationally use Alibaba Cloud products to build Alibaba Cloud computing architecture solutions. According to the business needs of enterprises, we can introduce new services and functions based on Alibaba Cloud products, formulate effective technical solutions and enterprise best practices, and maximize scalability, security, reliability, durability and cost performance. Be able to choose the architecture and evaluate the influence scope of the application deployed in Alibaba Cloud. Be able to diagnose the common problems in the operation of business systems based on Alibaba Cloud cloud computing products, and find the corresponding solutions. Provide best practices and architectural guidance during the life cycle of the project. Zhang Jian is also the president of Alibaba Cloud Intelligent Enterprise Group, so the ace certificate is his signature.