A state-owned enterprise company is recently undergoing cloud assessment, and the company has put forward...

A state-owned enterprise company is recently undergoing cloud assessment, and the company has put forward requirements for the IT department, requiring that the annual business expenditure be strictly controllable, and no changes are allowed after the budget is determined at the beginning of the year. In addition, the business department also put forward requirements for the IT department, so it is the first time to try to go to the cloud so it will frequently create, delete, change the configuration and other operations of virtual machines, and ensure that these operations are flexible and simple. So which of the following options does IT need to choose to meet these requirements? Multiple selection