SOA SOA Certifications S90-03A Questions & Answers

• Question 81:

  As a first step toward replacing a corporate customer database, a company attempts to limit access to customer services via an official Customer entity service. However, some time later it is discovered that several applications have been bypassing the Customer service in order to directly access the customer database. As a result, these applications exhibit which negative form of coupling? Select the correct answer.

  A. Contract-to-Implementation

  B. Consumer-to-Implementation

  C. Consumer-to-Contract D. Contract-to-Technology

  Correct Answer: B

• Question 82:

  A service contract publishes information that makes guarantees about how the service will behave at runtime and when it will be available. These types of guarantees are associated with which service meta information type? Select the correct answer.

  A. technology

  B. programmatic

  C. functional

  D. quality of service

  Correct Answer: D

• Question 83:

  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 84:

  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 85:

  Which of the following service-orientation principles support the application of the Service Composability principle? SELECT ALL THAT APPLY

  A. Standardized Service Contract

  B. Service Autonomy

  C. Service Integration

  D. Service Statelessness

  Correct Answer: ABD

• Question 86:

  When applying the Service Loose Coupling design principle, we want to the coupling of the service logic to the service contract because that allows the service contract to remain from the service logic. Select the correct answer.

  A. increase, decoupled

  B. reduce, decoupled

  C. increase, coupled

  D. reduce, coupled

  Correct Answer: A

• Question 87:

  Each time our corporate development team makes a change to the service logic it is required to publish a new version of the service contract. Our customers are complaining because their service consumer programs become incompatible with new service contract versions and therefore no longer work. Which of the following service-orientation principles is most likely to help us solve this on-going problem? Select the correct answer.

  A. Service Reusability

  B. Service Statelessness

  C. Service Loose Coupling

  D. Service Autonomy

  Correct Answer: C

• Question 88:

  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 89:

  The design principle most associated with an approach whereby the technical interface or contract of a service is designed prior to its underlying logic is: Select the correct answer.

  A. Service Autonomy

  B. Service Reusability

  C. Service Composability

  D. Standardized Service Contract

  Correct Answer: D

• Question 90:

  Which of the following is not a state deferral option that is commonly used in support of applying the Service Statelessness principle? Select the correct answer.

  A. database

  B. utility service

  C. messages

  D. service registry

  Correct Answer: D