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Vendor: IBM
Exam Code: C2160-667
Exam Name: Architectural Design of SOA Solutions

Several design considerations have to be taken into account when designing services in an SOA Which statement, as applied to those design considerations, is true?

A.    Stateless implies that service operation parameters should be allied to the operation semantics.
B.    Loose coupling implies that services should be designed using standardized interfaces and with the adoption of open standards.
C.    Service granularity implies the service consumer does not hard-code the specific location of the service.
D.    Encapsulation implies that services should hide the implementation details from their interface design.

Answer: D

A rapidly growing retail company recently outsourced their package delivery to a very reputable package delivery company. The two companies are integrated using SOA and Web services. However, the retail company is having customer satisfaction issues as the call center is not reliably calculating delivery dates. Which portion of the SOA Foundation is the focus to resolve this issue?

A.    Information Services
B.    Process Services
C.    Partner Services
D.    Interaction Services

Answer: C

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

The IBM SOA Foundation includes services that support business innovation and optimization. What should be found in an SOA deployment compliant with the SOA Foundation?

A.    Automatic recognition of marketplace trends and dynamic reconfiguration of services in support
B.    Tools to help simulate business design and to predict the effect that design 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

What is the next step while architecting an SOA solution after having just completed documenting the business processes?

A.    Determine the operations required to realize each process
B.    Select a business steward for each process and instruct the steward to identify re-usable services
C.    Identify the services needed to realize each business process and group them into logical components
D.    Identify core and non-core business components

Answer: C

A mortgage loan provider currently has legacy applications utilized by a network of branches and franchised agents. They want to expand by adding a new channel to allow independent mortgage brokers to submit mortgage loan applications. They realize they must provide a differentiating offering to the independent mortgage brokers to attract participants and grow the new channel. How can SOA benefit their requirement?

A.    By building an SOA with a secure connectivity layer, they could quickly enable the mortgage broker channel to use their applications without any changes to the legacy system.
B.    They could reduce the cost to develop new applications needed for each independent broker by reusing services as integration code that is written for each broker’s system to expedite development.
C.    By service enabling the legacy applications and offering a Web-based portal for independent brokers, they can minimize the impact to existing channels, minimize changes to existing code, and quickly create an offering for the new channel.
D.    By implementing security and governance as part of an SOA deployment, they can control access to the current system to determine which brokers are using the system and personalize their marketing to the high usage brokers.

Answer: C

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