Explanation
The hypervisor level, as a backend cloud infrastructure component, is not a unit where limits may be applied to control resource utilization. Limits can be placed at the service, virtual machine, and cloud customer levels within a cloud environment.

Explanation/Reference:
Explanation:
The physical security of crypto keys is of some concern, but guards or vaults are not always necessary.
Two-person integrity might be a good practice for protecting keys. The best answer to this question is option A, because it is always true, whereas the remaining options depend on circumstances.

Explanation
Explanation:
Security should be included in discussions from the very first phase when defining the scope. Adding security later is likely to incur additional costs in time and money, or will result in an incomplete or inadequate plan.

Explanation
Explanation:
With data anonymization, data is manipulated in such a way so as to prevent the identification of an individual through various data objects, and is often used in conjunction with other concepts such as masking.

Reversibility is the cloud concept involving the ability for a cloud customer to remove all of its data and IT assets from a cloud provider. Also, processes and agreements would be in place with the cloud provider that ensure all removals have been completed fully within the agreed upon timeframe. Portability refers to the ability to easily move between different cloud providers and not be locked into a specific one.
Removability and extraction are both provided as terms similar to reversibility, but neither is the official term or concept.