S90.08無料問題集「SOA Advanced SOA Design & Architecture」

質問 1

Even though atomic service transactions can be used to ensure that all services within the
transaction either succeed or fail, in larger transactions involving multiple services, the
amount of required memory consumption can ___________.

（A）add up and reduce overall service scalability

（B）be minimized through the use of service agents

（C）None of the above.

（D）be deferred to a compensating service transaction

正解：A 解答を投票する

質問 2

Because the Process Abstraction pattern advocates the abstraction of ___________ logic,
its application helps filter out ___________ logic in support of defining ___________
services.

（A）agnostic, atomic, agnostic

（B）agnostic, rules-related, non-agnostic

（C）non-agnostic, agnostic, agnostic

（D）non-agnostic, business, agnostic

正解：C 解答を投票する

質問 3

The Invoice service in an accounting firm is heavily reused by different service
compositions. The owners of the service decide to protect its integrity by disallowing
access to any part of its underlying implementation and further want to avoid the risk of
having this service create a single point of failure. Which two patterns should they apply in
order to accomplish this goal?

（A）Contract Centralization, Decoupled Contract

（B）Data Model Transformation, Service Data Replication

（C）Contract Centralization, Redundant Implementation

（D）Domain Inventory, Redundant Implementation

正解：C 解答を投票する

質問 4

Assuming you have technical service contracts for SOAP-based Web services, you can
apply the ___________ pattern through the use of ___________.

（A）Schema Centralization, XML schemas

（B）Policy Centralization, WS-Policy definitions

（C）Decoupled Contract, WSDL definitions

（D）Message Metadata, SOAP message headers

正解：A、B、C、D 解答を投票する

質問 5

Based on the publisher and subscriber roles established by the application of the Event-
Driven Messaging pattern, which of the following statements are true?

（A）upon receiving a message associated with an event that a service consumer subscribed
to, the service consumer enters the publisher role

（B）a service consumer, acting as a subscriber, can selectively subscribe to specific events

（C）a service, acting as a publisher, issues event notification messages to an event
management program that is responsible for broadcasting the messages

（D）an intermediate event management program enters the role of subscriber when
accepting event subscriptions

正解：B、C 解答を投票する

質問 6

If a service consumer program needs to get data from a service that is not available, it can
poll the service by periodically issuing a request message. This type of interaction can be
inefficient because it can lead to unnecessary message transmissions. Which of the
following statements describes a solution to this problem?

（A）By applying the Messaging Metadata pattern, the service consumer can write a request
identifier in the message header. Service agents then intercept the request messages and
do not forward those that contain a previously detected identifier. This practice eliminates
the delivery of the duplicate messages to the service.

（B）The Event-Driven Messaging pattern can be applied to establish a messaging
framework in which service consumers are automatically notified of relevant runtime
service events.

（C）None of these statements describe solutions that directly solve this problem.

（D）By applying the Atomic Service Transaction pattern, a service can be designed to invoke
an alternative exception handling process when it is unavailable to receive a given
message.

正解：B 解答を投票する

質問 7

Of the following Web service technologies, which is most commonly associated with the
Orchestration pattern?

（A）WS-BPEL

（B）WS-Coordination

（C）WS-Addressing

（D）WS-ReliableMessaging

正解：A 解答を投票する

質問 8

The Messaging Metadata pattern requires a messaging framework that supports the
processing of messages with headers or properties.

（A）False

（B）True

正解：B 解答を投票する

質問 9

The messaging framework established by the application of the Event-Driven Messaging
pattern positions a(n) ___________ as being responsible for the broadcast of event
notification messages.

（A）event-driven Web service

（B）database

（C）event management program

（D）synchronous queue

正解：C 解答を投票する

質問 10

When applying the Asynchronous Queuing pattern you aim to establish an environment in
which:

（A）temporary message storage is provided in case either the service or service consumer
are unavailable

（B）periodic re-transmission of a message is supported until it is successfully delivered

（C）enforcement of consistent, uninterrupted, synchronous communication between service
and service consumer are guaranteed

（D）an intermediate buffer exists between a service and its service consumer

正解：A、B、D 解答を投票する

S90.08 無料問題集「SOA Advanced SOA Design & Architecture」

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