43. When enterprises build applications and services, compared to the three major cloud computing service model and the traditional model, the following statements is true? <br>(1) do not need to prepare any enterprise software and hardware to use the service called cloud IaaS service model <br>(2) To comply with enterprise business logic, workflow demands, the application software designed by the company's own development, the required hardware and program execution environment provided by the cloud service provider, called PaaS service mode <br>(3) business from the purchase or lease equipment to cloud vendors, put to the cloud data center hosting, and delivering business use, this mode is called IaaS service mode <br>(4) traditional application service system build mode, a high degree of flexibility to expand, lower cost spending, which is the main reason most companies still use
正在翻譯中..