S90.03

S90.03 practice questions, page 3 of 4, with answer review and explanations.

Question 11

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.

  1. database
  2. utility service
  3. messages
  4. service registry

Question 12

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.

  1. Service Autonomy
  2. Service Reusability
  3. Service Composability
  4. Standardized Service Contract

Question 13

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.

  1. Service Autonomy, Service Reusability
  2. Service Statelessness, Standardized Service Contract
  3. Service Discoverability, Service Abstraction
  4. Service Reusability, Service Statelessness

Question 14

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.

  1. Service Reusability
  2. Service Statelessness
  3. Service Loose Coupling
  4. Service Autonomy

Question 15

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.

  1. increase, decoupled
  2. reduce, decoupled
  3. increase, coupled
  4. reduce, coupled