SOA Certified SOA Architect S90.03 Questions & Answers

• Question 81:

  Which of the following statements is true? Select the correct answer.

  A. A composition initiator must exist as a service.

  B. A composition initiator can be any type of program capable of invoking a service and therefore does not need to be service-oriented.

  C. A composition initiator is often associated with the intermediary role.

  D. None of the above statements are true.

  Correct Answer: B

• Question 82:

  Services with __________________ tend to be more __________________. Select the correct answer.

  A. a stateful context, more stateless

  B. an agnostic context, reusable

  C. a non-agnostic context, reusable

  D. None of the above.

  Correct Answer: B

• Question 83:

  Fill in the blank for the following definition of the Service Reusability design principle:

  "Services contain and express __________________ logic and can be positioned as reusable enterprise

  resources." Select the correct answer.

  A. non-agnostic

  B. agnostic

  C. distinct

  D. new

  Correct Answer: B

• Question 84:

  A service-oriented solution can be comprised of which of the following core architectural elements? Select the correct answer.

  A. messages

  B. services

  C. contracts

  D. All of the above.

  Correct Answer: B

• Question 85:

  Which of the following statements is true? Select the correct answer.

  A. Service compositions can challenge the traditional notion of interoperability because they rely heavily

  on integration and therefore make integration an intrinsic process of service delivery.

  B. Service compositions can challenge the traditional notion of integration because services are ideally designed to be intrinsically interoperable and therefore require less integration effort when assembled into service compositions.

  C. Service compositions can challenge the traditional notion of interoperability because they consist of distributed programs (services) and integration is rarely carried out across applications that are remotely distributed.

  D. None of the above statements are true.

  Correct Answer: B

• Question 86:

  A composition initiator is a variation of the composition controller role that represents nested composition logic. Select the correct answer.

  A. True

  B. False

  Correct Answer: B

• Question 87:

  Which of the following are considered negative forms of coupling: SELECT ALL THAT APPLY

  A. Logic-to-Contract

  B. Contract-to-Logic

  C. Contract-to-Technology

  D. Contract-to-Implementation

  Correct Answer: BCD

• Question 88:

  Fundamental to service-orientation is the ability to continually recompose existing services into new compositions with minimal impact. This is why service-oriented technology architectures are required to be composition-centric. Select the correct answer.

  A. True

  B. False

  Correct Answer: A

• Question 89:

  The service-oriented architectural model is ideally designed to be neutral to vendor platforms so that organizations have the freedom to diversify by leveraging multiple vendor technology innovations over time, as required. Select the correct answer.

  A. True

  B. False

  Correct Answer: A

• Question 90:

  The __________________ principle encourages services within the boundary of a specific service inventory to share messages based on the same data models. This practice directly supports the __________________ principle, which is concerned with designing services so that they can be effectively and repeatedly aggregated into different solutions. Select the correct answer.

  A. Service Abstraction, Service Autonomy

  B. Service Autonomy, Service Composability

  C. Standardized Service Contract, Service Composability

  D. None of the above.

  Correct Answer: C