in cloud architecture, which of the following is an example of saas? select the best answer from the following. a. a database is hosted in a data center and is provided to the customer as a service. you have no control over the infrastructure, server, operating system, etc. you control only database itself. b. a database is installed on a virtual machine that resides in the cloud infrastructure. you have control over the operating system, but not to the physical hardware. c. a database is installed in an on-premise infrastructure. you have complete control over the infrastructure, hardware, operating system, etc. d. a database cannot be provisioned in a software as a service environment.