Baselines are a set of configurations and policies applied to all new systems or services, and they serve as the basis for deploying any other services on top of them. Although standards often form the basis for baselines, the term is applicable in this case. Hardening is the process of securing a system, often through the application of baselines. Leveling is an extraneous but similar term to baselining.

Explanation/Reference:
Explanation:
The inter-cloud provider is responsible for peering with other cloud services and providers, as well as overseeing and managing federations and federated services. A cloud service administrator is responsible for testing, monitoring, and securing cloud services, as well as providing usage reporting and dealing with service problems. The cloud service integrator is responsible for connecting existing systems and services with a cloud. The cloud service business manager is responsible for overseeing the billing, auditing, and purchasing of cloud services.

Explanation
Sandboxing involves segregating and isolating information or processes from others within the same system or application, typically for security concerns. This is generally used for data isolation (for example, keeping different communities and populations of users isolated from other similar data).

Budgetary and cost controls is not one of the domains outlined in the CCM.