Based on the ArchiMate 3 documents or objectives, a realization relationship indicates that an entity plays a critical role in the creation, achievement, sustenance, or operation of a more abstract entity. A serving relationship models that an element provides its functionality to another element. The diagram should use a realization relationship from the Risk Assessment service to the Enterprise Risk Management process to indicate that the service realizes the process. The diagram should also use a serving relationship from the Risk Measurement application to the Risk Assessment service to indicate that the application serves the service.

According to the conceptual model of architecture description from ISO/IEC 42010, an architecture view is a representation of a system from the perspective of a set of concerns. An architecture viewpoint is a specification of the conventions and rules for constructing and using an architecture view. A and B in the diagram correspond to these concepts respectively.

According to the ArchiMate 3.2 Specification1, a principle defines a general property that applies to any system in a certain context. A principle is a normative property of all systems in a given context that expresses a fundamental value or property1. Therefore, the correct answer is

According to the ArchiMate 3.2 Specification1, an application function describes the internal behavior of an application component, and an application component may be assigned to an application function, which means that the application component performs the application function. Therefore, the correct answer is A. Assignment. This relationship indicates that an instance of a technology function performs (part of) the behavior of an instance of an application function1.