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S90.08 – Advanced SOA Design & Architecture (S90-08A)

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Showing 1–3 of 10 questions

Question 1

Based on the publisher and subscriber roles established by the application of the Event-Driven Messaging pattern, which of the following statements are true?

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    a service, acting as a publisher, issues event notification messages to an event management program that is responsible for broadcasting the messages

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    a service consumer, acting as a subscriber, can selectively subscribe to specific events

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    an intermediate event management program enters the role of subscriber when accepting event subscriptions

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    upon receiving a message associated with an event that a service consumer subscribed to, the service consumer enters the publisher role
Question 2

Assuming you have technical service contracts for SOAP-based Web services, you can apply the ___________ pattern through the use of ___________.

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    Schema Centralization, XML schemas

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    Message Metadata, SOAP message headers

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    Decoupled Contract, WSDL definitions

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    Policy Centralization, WS-Policy definitions
Question 3

Which of the following statements are false?

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    The Compensating Service Transaction pattern is often applied by calling one or more "undo" operations provided as service capabilities of the services participating in a composition.

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    A compensating service transaction must be designed independently and without knowledge of the technical service contracts belonging to the composition members.

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    Compensating logic is generally expressed in its own process definition and separated from the overall service composition logic.

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    The Compensating Service Transaction pattern is one of the core patterns that comprise the Enterprise Service Bus compound pattern.