Explanation
Because IPsec is implemented at the system or network level, it is the responsibility of the systems staff. IPsec removes the responsibility from developers, whereas other technologies such as TLS would be implemented by developers.

The use of subcontractors can add risk to the supply chain and should be considered; trusting the provider's management of their vendors and suppliers (including subcontractors) is important to trusting the provider. Conversely, the customer is not likely to be allowed to review the physical design of the datacenter (or, indeed, even know the exact location of the datacenter) or the personnel security specifics for the provider's staff. "Redundant uplink grafts" is a nonsense term used as a distractor.

Explanation
Orchestration is the programmatic means of managing and coordinating activities within a cloud environment and allowing for a commensurate level of automation and self-service. Provisioning, allocation, and automation are all components of orchestration, but none refers to the overall concept.

The United States has a myriad of regulations focused on specific types of data, such as healthcare and financial, but lacks an overall comprehensive privacy law on the national level.
The European Union, the Asian-Pacific Economic Cooperation, and Russia all have national privacy protections and regulations for the handling the PII data of their citizens.