S90.03無料問題集「SOA Design & Architecture」

質問 1

Services with __________________ tend to be more __________________. Select the
correct answer.

（A）None of the above.

（B）a stateful context, more stateless

（C）an agnostic context, reusable

（D）a non-agnostic context, reusable

正解：C 解答を投票する

質問 2

The following statement describes the relationship between the Service Reusability
principle and which other design principle? "Because of the potentially high performance
and concurrent usage demands of reusable services, the extent of control they can
exercise over their underlying environment is an important design consideration in
guaranteeing an acceptable level of predictable runtime behavior." Select the correct
answer.

（A）Service Abstraction

（B）Service Loose Coupling

（C）Standardized Service Contract

（D）Service Autonomy

正解：D 解答を投票する

質問 3

Often it is a requirement to wrap a legacy system with a service. This is typically
accomplished by encapsulating calls to the legacy system's Application Programming
Interface (API) within the core logic of the service. Care must be taken to not expose
details of the underlying API through the service contract as it may unintentionally couple
the service consumer to the legacy system. Which pair of service-orientation principles
directly addresses this concern? Select the correct answer.

（A）Service Loose Coupling, Service Abstraction

（B）Service Statelessness, Service Autonomy

（C）Service Autonomy, Standardized Service Contract

（D）Service Loose Coupling, Service Statelessness

正解：A 解答を投票する

質問 4

The composition controller role is most associated with which of the following service
models? Select the correct answer.

（A）utility service

（B）task service

（C）entity service

（D）data service

正解：B 解答を投票する

質問 5

Which of the following are goals of the Service Reusability design principle? Select the
correct answer.

（A）To increase organizational agility by enabling wide-scale service composition from
service inventories that contains a high percentage of reusable services.

（B）To allow for service logic to be repeatedly leveraged over time so as to achieve an
increasingly high return on the initial investment of delivering the service.

（C）All of the above.

（D）To support the creation of services based upon agnostic service logic.

正解：C 解答を投票する

質問 6

Which of the following is not a meta abstraction type associated with the Service
Abstraction principle? Select the correct answer.

（A）technology

（B）programmatic

（C）functional

（D）state

正解：D 解答を投票する

質問 7

Which are the three design principles that often act as regulators to ensure that the
remaining five principles are properly applied: SELECT ALL THAT APPLY

（A）Service Abstraction

（B）Service Loose Coupling

（C）Service Composability

（D）Service Reusability

正解：A、B、C 解答を投票する

質問 8

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 Statelessness, Standardized Service Contract

（B）Service Reusability, Service Statelessness

（C）Service Discoverability, Service Abstraction

（D）Service Autonomy, Service Reusability

正解：C 解答を投票する

質問 9

Which of the following statements describes service re-composability, as it relates to the
Service Composability principle? Select the correct answer.

（A）I have a service composition with 5 services.

（B）I have a service that is part of a service composition.

（C）I have a service that is part of 2 service compositions.

（D）I have 2 service compositions that are part of 2 service inventories.

正解：C 解答を投票する

質問 10

A composition initiator is a variation of the composition controller role that represents
nested composition logic. Select the correct answer.

（A）False

（B）True

正解：A 解答を投票する

S90.03 無料問題集「SOA Design & Architecture」

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