Which of the following is a benefit of virtualization in a cloud environment?

The end users of a SaaS application use multiple services from the same application. A unique login ID and password are required for each user to access each service.
Which of the following access control methods should be implemented by the SaaS application vendor to simplify the access to its services?

A company wants to ensure production data is not exposed during a functional and load testing exercise, as it will be the source of the data.
Which of the following techniques should the cloud administrator deploy to ensure testing requirements are met?

A customer is building a web cluster in which all nodes must access a shared pool of images.
Which of the following storage types would be BEST for this workload?

A pharmaceutical company is migrating its systems and infrastructure to the cloud. Due to security restrictions and regulatory policies, the company Chief Executive Officer (CEO) is concerned about moving this information to the cloud.
Based on the CEO's concern, which of the following should the company do First?