Jurisdiction will dictate much of the compliance and audit requirements for a data center.
Although all the aspects listed are very important to security, from a strict compliance perspective, jurisdiction is the most important. Personnel access, natural disasters, and utility access are all important operational considerations for selecting a data center location, but they are not related to compliance issues like jurisdiction is.

Dynamic masking involves the live replacing of sensitive data fields during transactional use between the data and application layers of a service. Static masking involves creating a full data set with the sensitive data fields masked, but is not done during live transactions like dynamic masking. Active and transactional are offered as similar types of answers but are not types of masking.

A reservation is a minimum resource that is guaranteed to a customer within a cloud environment. Within a cloud, a reservation can pertain to the two main aspects of computing:
memory and processor. With a reservation in place, the cloud provider guarantees that a cloud customer will always have at minimum the necessary resources available to power on and operate any of their services.

Explanation
Reversibility is the ability for a cloud customer to easily remove their applications or data from a cloud environment, as well as to ensure that all traces of their applications or data have been securely removed per a predefined agreement with the cloud provider.