SOA Certified SOA Architect S90.03 Questions & Answers

• Question 41:

  A service cannot enter the role of composition sub-controller when invoked by a composition initiator. Select the correct answer.

  A. True

  B. False

  Correct Answer: A

• Question 42:

  Service-orientation establishes a distinct approach to carrying out a(n) __________________. Select the correct answer.

  A. separation of concerns

  B. identification of constructs

  C. inheritance of contracts

  D. refactoring of code

  Correct Answer: A

• Question 43:

  Which of the following characteristics is not a result of the consistent application of service-orientation principles? Select the correct answer.

  A. reduced dependencies between services

  B. increased availability and scalability of services

  C. reduced behavioral predictability of services

  D. increased awareness of services

  Correct Answer: C

• Question 44:

  As the quantity of services in service inventories increase, the potential for service compositions to become larger and more complex increases also. Select the correct answer.

  A. True

  B. False

  Correct Answer: A

• Question 45:

  When applying the Service Loose Coupling design principle, we want to __________________ the

  coupling between the service contract and service consumers and __________________ the coupling of

  the service contract to its underlying logic.

  Select the correct answer.

  A. reduce, reduce

  B. reduce, increase

  C. increase, reduce

  D. increase, increase

  Correct Answer: A

• Question 46:

  Fill in the blank for the following definition for the Service Loose Coupling design principle:

  "Service contracts impose low __________________ requirements and are themselves decoupled from

  their surrounding environment." Select the correct answer.

  A. consumer coupling

  B. granularity

  C. legacy encapsulation

  D. state deferral

  Correct Answer: A

• Question 47:

  I have a service that is required to access a shared database. When the load on the database is heavy (for example when the billing department is running reports) my service often times-out and returns a fault to the service consumer. Which service-orientation principle should I apply to address this problem? Select the correct answer.

  A. Service Loose Coupling

  B. Service Discoverability

  C. Service Autonomy

  D. Service Reusability

  Correct Answer: C

• Question 48:

  A(n) __________________ in the extent to which the Service Reusability principle is applied to a service can result in a(n) __________________ in the potential for the service to be repeatedly composed. SELECT ALL THAT APPLY

  A. decrease, decrease

  B. increase, decrease

  C. decrease, increase

  D. increase, increase

  Correct Answer: AD

• Question 49:

  I built Service Composition A, which is comprised of 4 services. It was very successful in that it fulfilled all of its expected business requirements. I was then assigned a new project that required me to deliver a new service composition called Service Composition B. After studying the new business requirements, I realized that one of the services in Service Composition A could be reused "as is" in Service Composition

  B. However, when I tried to make it part of Service Composition B, I ran into a number of problems. In the end, it turned out that even though the service was reusable, it was simply not designed to participate in more than one service composition. Which service-orientation principle would have addressed this issue if I would have applied it to the service prior to completing Service Composition A? Select the correct answer.

  A. Service Composability

  B. Service Discoverability

  C. Service Reusability

  D. There is no service-orientation principle that addresses this issue.

  Correct Answer: A

• Question 50:

  Which of the following are goals of the Service Reusability design principle? Select the correct answer.

  A. To support the creation of services based upon agnostic service logic.

  B. To allow for service logic to be repeatedly leveraged over time so as to achieve an increasingly high return on the initial investment of delivering the service.

  C. To increase organizational agility by enabling wide-scale service composition from service inventories that contains a high percentage of reusable services.

  D. All of the above.

  Correct Answer: D