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SOA Certified Professional S90-08A Exam Syllabus Topics:

SOA Certified Professional Advanced SOA Design & Architecture Sample Questions:

Question 1

Which of the following statements are true?

A. The Redundant Implementation pattern is most useful for services that possess non-agnostic service logic.
B. The Redundant Implementation pattern is concerned with eliminating single point of failure problems associated with services that are actively reused.
C. The Redundant Implementation pattern can be supplemented with the Intermediate Routing pattern, which can be applied to load balance access to a redundantly deployed service.
D. The Redundant Implementation pattern addresses issues of scalability, not issues of availability.

Question 2

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. 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.
B. 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.
C. 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.
D. None of the these statements describe solutions that directly solve this problem.

Question 3

A service composition architecture with the following requirements needs to be created: 1. Services will have different periods of availability. 2. Sometimes the destination of a message cannot be determined until runtime. 3. All the services do not support the same messaging protocol. Of the following choices, which patterns should be used to address these requirements?

A. Event-Driven Messaging, Intermediate Routing, Atomic Service Transaction
B. Intermediate Routing, Data Format Transformation, Asynchronous Queuing
C. Protocol Bridging, Intermediate Routing, Asynchronous Queuing
D. Protocol Bridging, Compensating Service Transaction, Asynchronous Queuing

Question 4

An atomic service transaction requires that:

A. None of the above.
B. services be designed to be aware of all the other services that have also registered as participants in the same transaction in order to exchange success or failure messages with them
C. a service participating in a transaction either commit or rollback changes in response to the success or failure of the transaction
D. alternative compensating logic is executed to undo changes that may have been committed by the services participating in a transaction

Question 5

The application of the Rules Centralization pattern achieves the ___________ of business rules data within an inventory, but it also ___________ business logic associated with business-centric services.

A. centralization, centralizes
B. decentralization, centralizes
C. decentralization, decentralizes
D. centralization, decentralizes

Solutions: