As a first step toward replacing a corporate customer database, a company attempts to limit access to customer services via an official Customer entity service. However, some time later it is discovered that several applications have been bypassing the Customer service in order to directly access the customer database. As a result, these applications exhibit which negative form of coupling? Select the correct answer.
A. Contract-to-Implementation
B. Consumer-to-Implementation
C. Consumer-to-Contract
D. Contract-to-Technology
The design principle most associated with an approach whereby the technical interface or contract of a service is designed prior to its underlying logic is: Select the correct answer.
A. Service Autonomy
B. Service Reusability
C. Service Composability
D. Standardized Service Contract
Which of the following is not a meta abstraction type associated with the Service Abstraction principle? Select the correct answer.
A. functional
B. technology
C. programmatic
D. state
The Service Composability principle is solely dedicated to making services effective composition controllers. Select the correct answer.
A. True
B. False
Which of the following does not represent a typical form of service contract standardization addressed by the Standardized Service Contract principle? Select the correct answer.
A. the standardization of a service's functional expression
B. the standardization of industry technologies across different service inventories
C. the standardization of data models used by service contracts
D. All of the above represent typical forms of standardization addressed by the Standardized Service Contract principle.
Which of the following statements are true? SELECT ALL THAT APPLY
A. The adoption of service-orientation can result in an increased overall time and cost for the initial delivery of service logic.
B. The adoption of service-orientation can result in increased design complexity due to a constant emphasis on reuse.
C. The adoption of service-orientation can result in an emphasis on tactical (short-term) rather than strategic (long-term) planning in order to justify a quick ROI.
D. The adoption of service-orientation can result in a need to introduce a governance structure that may introduce new organizational roles and processes.
A service is sometimes referred to as an enterprise resource because: Select the correct answer.
A. It establishes itself as a resource that is of use to more than one part of the enterprise.
B. It can only be defined by enterprise architects.
C. It always depends on the availability of enterprise legacy systems.
D. None of the above.
Which of the following is not an influence of service-orientation? Select the correct answer.
A. Object-Oriented Analysis and Design (OOAD)
B. Business Process Management (BPM)
C. Enterprise Application Integration (EAI)
D. Fluid Dynamics (FD)
Which of the following characteristics directly supports or enables behavioral predictability within services? Select the correct answer.
A. availability (service downtime and periods of unavailability are minimized)
B. maintainability (the service is easily evolved over time without disrupting existing relationships with service consumers)
C. reliability (the service provides consistent results and performance)
D. All of the above.
Which of the following statements is true? Select the correct answer.
A. A composition member is a service that is not composed by other services.
B. A composition member is a service that is composed by another service.
C. A composition member is the same as a sub-controller.
D. None of the above statements are true.
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