Often It Is a Requirement to Wrap a Legacy System

question 47

Multiple Choice

Often it is a requirement to wrap a legacy system with a service. This is typically accomplished by encapsulating calls to the legacy system's Application Programming Interface (API) within the core logic of the service. Care must be taken to not expose details of the underlying API through the service contract as it may unintentionally couple the service consumer to the legacy system. Which pair of service-orientation principles directly addresses this concern? Select the correct answer.

• A) Service Loose Coupling, Service Abstraction
• B) Service Statelessness, Service Autonomy
• C) Service Loose Coupling, Service Statelessness
• D) Service Autonomy, Standardized Service Contract

Understand how organizations apply differentiation strategies to stand out from the competition.

Comprehend the concept and importance of strategic choice in developing competitive advantage.

Know the characteristics of mechanistic and organic organizations and their implications for organizational design.

Understand organizational fundamentals including division of labor, hierarchy of authority, and decision-making structures.

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Definitions:

Correlation Matrix

A table showing the correlation coefficients between variables, illustrating how changes in one variable are associated with changes in another.

Crystal Ball

In decision-making and forecasting, a metaphorical term used to describe the ability to predict future events or outcomes.

Crystal Ball

A metaphorical term referring to the attempt to predict future events or outcomes, often used in the context of business forecasting or decision making.

Crystal Ball

A forecasting and risk analysis software used in financial, operational, and project applications.