Fundamental SOA & Service-Oriented Computing v6.3

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What is the minimum number of domain service inventories you need in order to create a single enterprise service inventory?

  • A. two
  • B. three
  • C. one for each business domain
  • D. An enterprise service inventory is not comprised of domain service inventories.


Answer : D

Service-oriented analysis and service-oriented design are typical phases of an SOA delivery lifecycle.

  • A. True
  • B. False


Answer : A

Service-oriented architecture must be designed to be both integration-centric and silo-based.

  • A. True
  • B. False


Answer : B

__________ And __________ are used to classify and organize services within a service inventory.

  • A. service compositions, service-oriented solutions
  • B. service capabilities, service compositions
  • C. service models, service layers
  • D. service contracts, service capabilities


Answer : C

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.


Answer : A

In order to achieve __________ we have traditionally required __________ projects.
With service-orientation, we aim to establish an intrinsic level of __________ within each service so as to reduce the need for __________ effort.

  • A. vendor diversity, integration, vendor diversity, design
  • B. agility, development, scalability, development
  • C. interoperability, integration, interoperability, integration
  • D. autonomy, integration, statelessness, integration


Answer : C

A service can be designed to access or invoke: SELECT ALL THAT APPLY.

  • A. a database
  • B. a distributed application
  • C. a legacy system or resource
  • D. other services


Answer : A,B,C,D

A software program that invokes and interacts with a service is referred to as a:

  • A. service contract
  • B. service inventory
  • C. service container
  • D. none of the above


Answer : D

A Service Level Agreement (SLA) is a common machine-readable document that is considered part of the technical service contract. Select the correct answer.

  • A. True
  • B. False


Answer : B

Which of the following statements is false?

  • A. Service-orientation is a design paradigm that must be applied on an enterprise-wide basis in order to be successful.
  • B. Service-orientation is a design paradigm comprised of a set of design principles.
  • C. Service-orientation is an evolutionary design paradigm that has been influenced by older, established IT paradigms and platforms.
  • D. Service-orientation is applied to logic in order to create service-oriented logic.


Answer : A

Which of the following statements is true?

  • A. "Contract first" design is important to SOA because it makes you think about service contract design options at the same time that you are building the underlying service logic.
  • B. "Contract first" design is important to SOA because it forces you to establish standardized service contracts prior to the development of the underlying service logic.
  • C. "Contract first" design is important to SOA because without a contract, services cannot be invoked. However, there is no preference as to when, during the service delivery lifecycle, the contract should be designed or established.
  • D. "Contract first" design is an unproven design technique that is not commonly employed when delivering service-oriented solutions and is therefore not considered important to SOA.


Answer : B

Which of the following statements is true?

  • A. For a service consumer to interact with a service it must comply to the requirements of the service contract.
  • B. The service contract is used to express meta data about a service for human consumption only, and compliance to the service contract by service consumers is therefore not required.
  • C. Service contracts are only used to access a service when the service consumer itself is not a service.
  • D. All of these statements are true.


Answer : A

A service inventory is considered to have normalized services when:

  • A. its scope does not overlap with any existing databases
  • B. service boundaries within the service inventory do not overlap with each other
  • C. each service within the service inventory is not used by more than one service composition
  • D. legacy systems within the service inventory boundary do not overlap with each other


Answer : B

Which of the following statements are true? SELECT ALL THAT APPLY

  • A. A service can be comprised of one or more components.
  • B. A service inventory is comprised of a collection of services.
  • C. A service composition is comprised of a set of aggregated services.
  • D. A service-oriented solution is comprised of a set of service inventories.


Answer : ABC

Which of the following statements is false?

  • A. A service is a unit of logic to which service-orientation has been applied to a meaningful extent.
  • B. Services are designed to increase the need for integration.
  • C. Services are the fundamental building blocks of service-oriented solutions.
  • D. A service composition is comprised of services.


Answer : B

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