Explanation
When operating within a global framework, a security professional runs into a multitude of jurisdictions and requirements, and many times they might be in contention with one other or not clearly applicable. These requirements can include the location of the users and the type of data they enter into systems, the laws governing the organization that owns the application and any regulatory requirements they may have, as well as the appropriate laws and regulations for the jurisdiction housing the IT resources and where the data is actually stored, which might be multiple jurisdictions as well.

Explanation
Cryptographic erasure is a secure method to destroy data by destroying the keys that were used to encrypt it.
This method is universally available for volume storage on IaaS and is also extremely quick. Shredding, degaussing, and demagnetizing are all physically destructive methods that would not be permitted within a cloud environment using shared resources.

Explanation
Explanation:
While the provider might share any of the other options listed, the provider will not share administration of security controls with the customer. Security controls are the sole province of the provider.