SOA Certified SOA Architect S90.03 Questions & Answers

• Question 1:

  The decoupling of a service contract from the service's underlying implementation results in a(n) __________________ in the service's level of abstraction because __________________ service implementation details helps prevent service consumers from being designed to indirectly couple to the underlying service implementation. Select the correct answer.

  A. increase, hiding

  B. increase, publishing

  C. decrease, hiding

  D. decrease, publishing

  Correct Answer: A

• Question 2:

  When referring to the Service Discoverability principle, the quality of interpretability refers to a service's ability to be effectively discovered at runtime by service consumer programs designed to carry out dynamic runtime discovery. Select the correct answer.

  A. True

  B. False

  Correct Answer: B

• Question 3:

  Which of the following statements describes service re-composability, as it relates to the Service Composability principle? Select the correct answer.

  A. I have a service that is part of a service composition.

  B. I have a service composition with 5 services.

  C. I have a service that is part of 2 service compositions.

  D. I have 2 service compositions that are part of 2 service inventories

  Correct Answer: C

• Question 4:

  I was discussing my new service with a client who told me that my technical service contract revealed too much information about the underlying service design. For example, based only on the names of my service capabilities, my client could determine that the service was using an Oracle database. What service-orientation principle should I apply to address this problem? Select the correct answer.

  A. Service Reusability

  B. Service Discoverability

  C. Service Autonomy

  D. Service Abstraction

  Correct Answer: D

• Question 5:

  Which of the following statements does not make sense? Select the correct answer.

  A. By applying the Standardized Service Contract principle, the amount of data model transformation logic required by my solution has been reduced.

  B. Since the design standards created in support of the Standardized Service Contract principle have been more widely enforced, I've noticed the same data models being shared by more services.

  C. It is thanks to the Standardized Service Contract principle that we have been able to better isolate our services so as to reduce their dependency on shared databases.

  D. All of these statements make sense.

  Correct Answer: C

• Question 6:

  A(n) __________________ in the extent to which a service needs to share resources with other parts of the IT enterprise will result in a(n) __________________ of the service's overall __________________. Select the correct answer.

  A. decrease, decrease, standardization

  B. increase, decrease, standardization

  C. decrease, increase, autonomy

  D. increase, increase, autonomy

  Correct Answer: C

• Question 7:

  A company is about to release a service for worldwide usage. As a result, the service contract receives a great deal of attention. After a review it is decided to limit the service contract content to only what is deemed absolutely necessary and to further have the service's Service Level Agreement (SLA) translated into several different languages so that the service can be easily located by those who may want to use it. Which pair of service- orientation principles directly supports these design-time considerations? Select the correct answer.

  A. Service Autonomy, Service Reusability

  B. Service Statelessness, Standardized Service Contract

  C. Service Discoverability, Service Abstraction

  D. Service Reusability, Service Statelessness

  Correct Answer: C

• Question 8:

  The Service Discoverability principle is primarily concerned with increasing the __________________ of the information published about a service. Select the correct answer.

  A. complexity ratio

  B. scalability ratio

  C. communications quality

  D. linear quality

  Correct Answer: C

• Question 9:

  My service was consuming too much memory so I chose to persist data between invocations to a database. After doing so, I found that the performance of my service declined significantly due to the fact that my database is shared with other applications. As a result, I further isolated the service by giving it its own dedicated database. Which service-orientation principles were involved in this scenario? Select the correct answer.

  A. Service Loose Coupling

  B. Service Reusability

  C. Service Autonomy

  D. Service Statelessness

  Correct Answer: CD

• Question 10:

  Which of the following are runtime roles associated with service compositions? SELECT ALL THAT APPLY

  A. composition controller

  B. composition member

  C. composition sequencer

  D. composition sub-controller

  Correct Answer: ABD