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Code d'Examen: A2160-667
Nom d'Examen: IBM (Assessment: IBM Architectural Design of SOA Solutions)
Questions et réponses: 105 Q&As
Code d'Examen: A2180-379
Nom d'Examen: IBM (Assessment: IBM WebSphere Integration Developer V6.2, Solution Development)
Questions et réponses: 55 Q&As
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NO.1 The SOA reference architecture identifies core services including Interaction, Process,
Information,
Partner, Access, and Infrastructure.
What is one valid reason for excluding one or more of these services in an SOA?
A. The application is predominantly middleware in nature, eliminating the need for
presentation services.
B. The consumer and the provider belong to different companies.
C. The business sponsor has set budget constraints on solution architecture and the
architectural
components to be included have to be prioritized.
D. The customer's internal politics make the specification too difficult.
Answer: A
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NO.2 Why is it necessary to enforce policies and monitor services within SOA Services
Management?
A. To insure data integrity and correlate business processes
B. To trace transactions and diagnose problems
C. To collect key performance metrics
D. To ensure service availability
Answer: D
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NO.3 A company wants to integrate a number of existing best-of-breed applications by
implementing service
facades and an Enterprise Service Bus (ESB). The initial scenario involves the transfer of
order
information between a number of these backend services depending on business rules.
An SOA Designer is asked to capture the functional requirements.
What is the most appropriate starting point.?
A. Analysis of the information requirements of the existing applications
B. Investigation into appropriate industry standards for transferring data
C. Creation of use cases to understand what the services may be and how they interact
D. Define the component model associated with the existing applications and specify the
service
interfaces
Answer: C
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NO.4 A retail catalog companys printing and mailing expenses are growing much more
rapidly than revenue.
Each time they update their database, they ship more catalogs and customers call in with
more
corrections.
Which evaluation and recommendation should the SOA Designer make?
A. Data quality is low. Master data management should be installed to cleanse and maintain
data quality
both from data sources and updates from the call center.
B. Third party mail lists are inconsistent. Use process modeling to identify when multiple
records are
created and how multiple catalogs get printed. Then use process simulation to optimize new
processes.
C. Processes do not incorporate data cleansing. Create an information service that retrieves
similar
records and displays them in a portlet, so operators can see multiple records and work with
the customer
to eliminate them.
D. Data entry is a very common source of error and customers are often inconsistent as well.
Operator
generated updates should be re-implemented to the indirect exposure solution pattern to
separate data
entry from record update permitting a data cleansing step in the update processes.
Answer: A
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NO.5 A company has an existing message-based middleware solution that allows
exchanging business
information among several applications using a topic-based publish-subscribe integration
pattern. As part
of its SOA strategy, the company is now embarking on service-enabling the applications and
wants to
employ the publish-subscribe pattern using Web services technology.
Which Web services specification best addresses this need?
A. WS-Federation
B. WS-Addressing
C. WS-Notification
D. WS-MetaDataExchange
Answer: C
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NO.6 A Fortune 100 company is migrating its Enterprise Application Integration (EAI)
architecture to SOA.
The intent is to begin exposing its capabilities to business partners. The CIO is thinking about
building a
high speed, custom messaging solution so there is capacity for future growth.
What should the SOA Designer say about the long-term implications of that direction?
A. A custom messaging solution could provide performance advantages if development
priority is
allocated to provide standards-based connectors and adapters for business partners to
connect.
B. XML messages can be transformed at wire speed using Enterprise Service Bus (ESB)
appliances like
WebSphere DataPower SOA Appliance, so it is not necessary to be concerned with that part
of the
system's performance.
C. Total cost of ownership will increase with custom middleware. Open standards-based
commercial
messaging products are more interoperable, extensible, scalable, replaceable, and reliable
than
custom-built systems.
D. It will take a serious commitment to detailed technical support to make this happen. It is
always a
tradeoff between standards-based compliance and performance. The implementation of the
custom
messaging will need to provide serious performance advantages to business partners.
Answer: C
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NO.7 How can a designer most effectively integrate components developed in various
technologies at
different companies into a composite application within an SOA?
A. Through careful coordination to ensure compatible interfaces
B. Through the use of industry standards such as SOAP over HTTPS
C. By placing the components in a service repository which will mediate the differences in
their interfaces
D. By providing code mediation and transformation functions through a business process
modeling effort
Answer: B
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NO.8 The IBM SOA Foundation includes services that support business innovation and
optimization.
What should be found in an SOA solution compliant with the SOA Foundation?
A. Automatic recognition of marketplace trends and dynamic reconfiguration of services in
support
B. Business process simulation to predict the effect that process changes might have on the
business
C. Alerts generated whenever business efficiency drops below a predefined threshold
D. An SOA dashboard for executives showing new business opportunities categorized by
Return on
Investment (ROI)
Answer: B
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