In a high-traffic content management system scenario, it is necessary to dynamically adjust computing, storage and other resources according to the amount of computing, and automatically replace…

In a high-traffic content management system scenario, it is necessary to dynamically adjust computing, storage and other resources according to the amount of computing, and automatically replace unhealthy ECS instances. In order to ensure data processing and computing efficiency, which of the following cloud service combinations are not suitable for this scenario? (Multiple choice)