SOA SOACP S90-01A Questions & Answers

• Question 31:

  A service-oriented solution can be comprised of a single service with a single service capability.

  A. True

  B. False

  Correct Answer: A

• Question 32:

  When following the distinct lifecycle phases of an SOA delivery project you are: A. discouraged from involving business analysts as part of the definition of services so that services remain technically focused

  B. discouraged from involving technology experts as part of the definition of services so that services remain business focused

  C. encouraged to have business analysts and technology experts collaborate in the definition of services so that services have and retain an alignment of technology and business

  D. none of the above

  Correct Answer: C

• Question 33:

  Service A invokes ServiceB. Service B invokes ServiceC. Service C invokes both Service D and Service E. In this runtime scenario, which services are acting as service consumers?

  A. Service A, Service B, Service C

  B. Service D, Service E

  C. Service A

  D. None, because a service cannot also be a service consumer.

  Correct Answer: A

• Question 34:

  I anticipate building larger service compositions comprised of more services. How will this likely affect performance and infrastructure?

  A. It will likely increase performance demands and require an increase in infrastructure investment.

  B. It will likely reduce performance demands and require an increase in infrastructure investment.

  C. It will likely increase performance demands and require a reduction in infrastructure investment.

  D. It will not affect performance or infrastructure.

  Correct Answer: A

• Question 35:

  Which of the following is a recommended or common part of a service-oriented enterprise?

  A. business services

  B. service registries

  C. service contracts

  D. all of the above

  Correct Answer: D

• Question 36:

  Which of the following statements makes sense?

  A. I am going to register my new service in the service registry so that other project teams can discover it in order to determine whether they should reuse it as part of service- oriented solutions they are planning to build.

  B. I am going to register my new service inventory in the service registry in order to improve the performance of my service-oriented solution, because other services in my service composition will be able to dynamically discover and retrieve the new service much faster than if it was not registered in the service registry.

  C. I am going to register my new service in the service registry because Service Registration is one of the eight principles of service-orientation.

  D. None of these statements make sense.

  Correct Answer: A

• Question 37:

  I built a service-oriented solution a year ago comprised of 3 services. I've just been told that the business process automated by the solution is going to be replaced by a new business process that introduces some changes to how the business process logic needs to be automated. What should I do?

  A. Replace the solution with a brand new service-oriented solution comprised of new services designed specifically to automate the new business process.

  B. Identify the services within the solution that are no longer relevant to the new business process and permanently retire them so that no other service-oriented solution inadvertently uses them.

  C. Assuming there is an established service inventory in place, attempt to locate any existing services that can provide the logic required to automate the new business process and then change how the services within the solution need to be composed, as required.

  D. Due to the fact that service-oriented solutions are inherently unable to adapt to business process change, you should investigate for how long you can continue to use your current solution. Even if it does not exactly provide the functionality required by the new business process, it is still likely to automate a subset of the new business process logic, thereby providing you with an opportunity to continue to get some value from the solution before you are forced to retire it.

  Correct Answer: C

• Question 38:

  Service Composition A is comprised of 4 services. Service Composition B is comprised of 6 services. Because both service compositions are comprised of services from the same service inventory, the service inventory will have a total of how many services?

  A. 10

  B. 24

  C. Based on the information provided, it's impossible to know how many services reside in the service inventory because we don't know how many other service compositions exist.

  D. Based on the information provided, it's impossible to know how many services reside in the service inventory because the quantity of services within a service inventory is not determined by the quantity of services in service compositions.

  Correct Answer: D

• Question 39:

  Which of the following is an expected result of successfully adopting SOA?

  A. A natural increase in runtime performance that you will gain as a result of the fact that service compositions will often be comprised of a greater amount of individually participating programs (services) than traditional distributed applications.

  B. The fact that the existing IT organizational structure will not have to change because of how well a service-oriented enterprise fits into traditional IT departmental structures that are focused on project-centric application delivery.

  C. The tactical (short-term) focus of service-orientation, which allows for the initial rapid delivery of services without concerns about their subsequent governance.

  D. The strategic (long-term) target state that is attainable when many of the services delivered are interoperable and reusable, thereby allowing for them to be repeatedly composed in response to new and changing business requirements.

  Correct Answer: D

• Question 40:

  Below are excerpts from four different SOA adoption strategy documents. Based on your understanding of SOA, service-orientation, and the goals of service-oriented computing, select the adoption strategy that is clearly the most likely to succeed:

  A. "As part of our planned transition toward service-orientation, we will continue to extend the existing legacy applications with transformation-centric middleware that will enable seamless integration and runtime conversion between the different data models and data formats used by these applications."

  B. "Each of our existing legacy applications already establishes a domain boundary that is defined by the purpose of the application. We are confident that by leveraging these pre-defined silo-based boundaries we can create a series of effective domain service inventories, each with a scope that corresponds to a legacy application boundary."

  C. "Our strategy fully supports the tactical (short-term) nature of service-oriented computing by de-emphasizing standardization and allowing different project teams to deliver services optimized to their respective requirements. This not only speeds the initial delivery of services, it further supports interoperability by enabling services to leverage established integration technologies."

  D. "Our strategy is to make the consistent application of service-orientation principles a priority in order to support the attainment of the goals of service-oriented computing. The primary justification for this approach is the fact that we have identified the goals of service-oriented computing to be in alignment with our own business goals."

  Correct Answer: D