SOA SOA Certifications S90.03 Questions & Answers

• Question 61:

  The service-oriented architectural model is business-driven so that it can stay in alignment with how the business may change over time. Select the correct answer.

  A. True

  B. False

  Correct Answer: A

• Question 62:

  Project Team A delivered 3 services and a month later Project Team B delivered 5 services. After an audit of the services delivered by these two project teams, it was determined that 3 of the services delivered by Project Team B contained redundant logic that already resides in 2 of the services originally delivered by Project Team A. The audit results are negative because it is considered undesirable to have redundant logic among services. Which service-orientation principle could have been applied to help avoid this result? Select the correct answer.

  A. Service Statelessness

  B. Service Reusability

  C. Standardized Service Contract

  D. Service Abstraction

  Correct Answer: B

• Question 63:

  Which of the following are considered characteristics associated with service-oriented technology architecture? Select the correct answer.

  A. vendor-neutral

  B. business-driven

  C. enterprise-centric

  D. All of the above

  Correct Answer: D

• Question 64:

  The Service Statelessness principle aims to establish a mechanism for the runtime deferral of state data in order to minimize a __________________ condition when the service is __________________. Select the correct answer.

  A. stateful, passive

  B. stateless, passive

  C. stateful, active

  D. stateless, active

  Correct Answer: C

• Question 65:

  Which of the following is a common reason as to why the Standardized Service Contract principle is not followed in some organizations? Select the correct answer.

  A. Development tools are used to auto-generate the details of the technical service contract.

  B. Developers ignore service contract design standards.

  C. Developers are required to use pre-defined third-party service contracts obtained with the purchase of legacy system adapters.

  D. All of the above.

  Correct Answer: D

• Question 66:

  Which of the following statements reveal common misunderstandings about service- orientation and SOA? SELECT ALL THAT APPLY

  A. In order for an enterprise to be successful with SOA, enterprise-wide standardization is required.

  B. Service-orientation is a revolutionary paradigm that is incompatible with existing paradigms and practices.

  C. Adoption of service-orientation will return an immediate ROI due to its focus on tactical (short-term) requirements fulfillment.

  D. In order for an enterprise to be successful with SOA, an understanding of service- orientation is required.

  Correct Answer: ABC

• Question 67:

  When applying the Service Autonomy principle, runtime autonomy and design-time autonomy are related through the following rule of thumb: "The __________________ the amount of design-time autonomy, the __________________ the amount of attainable runtime autonomy." Select the correct answer.

  A. lesser, lesser

  B. greater, lesser

  C. greater, greater

  D. lesser, greater

  Correct Answer: C

• Question 68:

  I have a service composition with three services. Service A retrieves a list of country codes from a database and keeps this data in memory while interacting with Service B and Service C. However, because Service A is concurrently invoked many times, and because each instance of Service A loads its own copy of the country code data into memory, the demands on the overall infrastructure become too high and performance and reliability are negatively affected. Which service-orientation principle can be applied to help solve this problem? Select the correct answer.

  A. Service Reusability

  B. Service Autonomy

  C. Service Abstraction

  D. Service Statelessness

  Correct Answer: D

• Question 69:

  The composition member is the runtime role assumed by a service with a capability that is executing the parent composition logic required to compose capabilities within other services. Select the correct answer.

  A. True

  B. False

  Correct Answer: B

• Question 70:

  When applying the Service Loose Coupling principle __________________ coupling types are avoided in order to __________________ the governance independence of the service. Select the correct answer.

  A. positive, minimize

  B. negative, minimize

  C. negative, maximize

  D. positive, maximize

  Correct Answer: C