Anonymization is a type of masking, where indirect identifiers are removed from a data set to prevent the mapping back of data to an individual. Although masking refers to the overall approach of covering sensitive data, anonymization is the best answer here because it is more specific to exactly what is being asked.
Tokenization involves the replacement of sensitive data with a key value that can be matched back to the real value. However, it is not focused on indirect identifiers or preventing the matching to an individual. Encryption refers to the overall process of protecting data via key pairs and protecting confidentiality.

Explanation
The cloud service broker is responsible for obtaining new customers, analyzing the marketplace, and securing contracts and agreements.

Regulated PII pertains to data that is outlined in law and regulations. Violations of the requirements for the protection of regulated PII can carry legal sanctions or penalties. Contractual PII involves required data protection that is determined by the actual service contract between the cloud provider and cloud customer, rather than outlined by law. Violations of the provisions of contractual PII carry potential financial or contractual implications, but not legal sanctions. Legal and jurisdictional are similar terms to regulated, but neither is the official term used.

Explanation
A limit puts a maximum value on the amount of resources that may be consumed by either a system, a service, or a cloud customer. It is commonly used to prevent one entity from consuming enormous amounts of resources and having an operational impact on other tenants within the same cloud system. Limits can either be hard or somewhat flexible, meaning a customer can borrow from other customers while still having their actual limit preserved. A reservation is a guarantee to a cloud customer that a certain level of resources will always be available to them, regardless of what operational demands are currently placed on the cloud environment. Both cap and throttle are terms that sound similar to limit, but they are not the correct terms in this case.

Explanation
In order for any archiving system to be deemed useful and compliant, regular tests must be performed to ensure the data can still be recovered and accessible, should it ever be needed, for the duration of the retention requirements.