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Code d'Examen: A2090-552
Nom d'Examen: IBM (IBM Optim Implementation for Distributed Systems (2009))
Questions et réponses: 129 Q&As
Code d'Examen: A2160-667
Nom d'Examen: IBM (Assessment: IBM Architectural Design of SOA Solutions)
Questions et réponses: 105 Q&As
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NO.1 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.2 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.3 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.4 A government agency wants to ensure the selected patterns and code standards set
down by their SOA
governance body are adhered to.
Which type of tool will support this?
A. Code generation
B. Parsing
C. UML modeling
D. Data modeling
Answer: A
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NO.5 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.6 A team is evaluating the maturity of a customer's solution architecture relative to the
IBM SOA
Foundation. It is discovered that the customer has invested heavily in an internally-developed
Enterprise
Service Bus (ESB) and that their ESB has functionality expected to be found in other SOA
Foundation
services, especially Process Services, Business Services, and Information Services.
Which recommendation should be made?
A. Continue development of the ESB because the architecture is generally compliant with the
SOA
Foundation.
B. Stop development of the ESB because the architecture violates the principle of loose
coupling among
services.
C. Continue using the ESB but begin a transition to a vendor-supported, standards-compliant
ESB.
D. Modify development priorities to shift Process Services functionality to other parts of the
Solution
Architecture.
Answer: C
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NO.7 A large airline has decided to use SOA as a means to reduce costs through the use of
an Enterprise
Service Bus (ESB) based infrastructure. The IT strategy group has purchased sophisticated
messaging
middleware and prototyped some services related to accessing passenger information. The
airline needs
to decide what to do next.
Which recommendation should be made?
A. Move the prototype to production to assess the impact on the enterprise architecture.
B. Identify a governance method to define policies and procedures for sharing the ESB
infrastructure.
C. Align an SOA project with a business initiative and select high-value services through
process analysis.
D. Add a process server to the infrastructure to provide a means to use the passenger
information
services.
Answer: C
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NO.8 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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