What are the cloud solutions of Huawei Cloud PaaS for traditional industry IT systems?

What are the cloud solutions of Huawei Cloud PaaS for traditional industry IT systems?
A . Apply zero transformation to the cloud. Automatic deployment and operation and maintenance
B . Application switching cloud middleware reduces operation and operation and maintenance costs
C . Application containerization, second-level elastic scaling, higher resource utilization
D . Application microservices, feature decoupling, fast online
E . Extreme business innovation, function-based programming

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Answer: ABCD