What are the advantages of the DWS digital warehouse relocation program? (Multiple choice)

Which of the following Huawei Cloud middleware services can solve the asynchronous message decoupling problem of business applications?

ServiceStage is a one-stop full-stack cloud-native application development and management platform. Which of the following advantages of ServiceStage can support the creation of the strongest cloud-native PaaS service? (Multiple choice)

Which of the following descriptions are correct about the pain points of traditional recommendation systems? (Multiple choice)

From the perspective of access and management, what types of blockchain can be divided into? (Multiple choice)