SOA
S90-09A · Question #38
S90-09A Question #38: Real Exam Question with Answer & Explanation
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Question
You are an architect with a project team building services for Service Inventory A . You are told that no SLAs for Service B and Service C are available. You cannot determine how available these services will be, but it has been confirmed that both of these services support atomic transactions and the issuance of positive and negative acknowledgements. However, you also find out that the services in Service Inventory B use different data models than the services in Service Inventory A. Furthermore, recent testing results have shown that the performance of Service D is steady and reliable. However, Service D uses a different transport protocol than the services in Service Inventory A. The response time of Service A is not a primary concern, but Service Consumer A does need to be able to issue request messages to Service A 24 hours a day without disruption. What steps can be taken to fulfill these requirements?
Options
- AThe Event-Driven Messaging pattern is applied so that a subscriber-publisher relationship is
- BThe Reliable Messaging pattern is applied so that a system of acknowledgements is established
- CThe Asynchronous Queuing pattern is applied so that a central messaging queue is positioned
- DNone of the above.
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