Explanation/Reference:
Explanation:
All the others are data analytics methods, but "refractory iterations" is a nonsense term thrown in as a red herring.

Explanation/Reference:
Explanation:
The cloud service integrator role is responsible for connecting and integrating existing services and applications with cloud-based services.A cloud service administrator is responsible for testing, monitoring, and securing cloud services, as well as providing usage reporting and dealing with service problems. The cloud service user is someone who consumes cloud services. The cloud service business manager is responsible for overseeing the billing, auditing, and purchasing of cloud services.

Explanation
Once a storage LUN is allocated to a virtual machine, the operating system of that virtual machine will format, manage, and control the file system and security of the data on that LUN.

Explanation
In order to obtain and comply with certifications, independent external audits must be performed and satisfied.
Although some testing of certification controls can be part of an internal audit, they will not satisfy requirements.