An enterprise needs highly controlled storage and access to their databases as well as managing the infrastructure for web front ends and other applications. They have a large existing IT infrastructure and they are continually expanding the capabilities. Which cloud computing model will satisfy all their current needs and enable them to reduce cost?

Note: Some questions in this big practice test test your knowledge of IBM Cloud (formerly known as Bluemix) is a set of cloud computing services for business offered by the information technology company IBM.