When creating a domain, which two properties must be defined?

In the context of creating a domain within a utility network, defining the tier definition and subnetwork controller type is essential. The tier definition establishes how the network is structured in terms of hierarchical levels, such as different voltage levels in an electric distribution network. This tiering is crucial for managing the network efficiently, as it dictates how resources are allocated and how data flows within the network.

The subnetwork controller type specifies the entity responsible for managing and controlling the subnetwork. This could involve aspects such as monitoring, reporting on performance, and facilitating maintenance or troubleshooting. By clearly defining these two properties, you ensure that the domain operates effectively within the utility network's broader organizational structure, leading to streamlined operations and better resource management.

The other options focus on elements important in other contexts or aspects of utility networks but do not pertain specifically to the fundamental requirements when creating a domain. For instance, cost analysis factors and resource allocation relate more to the financial planning of projects rather than the structural setup of a domain. Similarly, network segmentation and data synchronization concern network performance and reliability, while layer definition and node configuration, although significant in design and operation, do not capture the essential properties required for establishing a domain within the utility network framework.