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Tuesday, June 7, 2011

IZ0-451 Q&A 59

The event delivery network is designed for handling asynchronous messaging arising from a
business event or service and supports.............

A. Request-response model.
B. Publish-subscribe declarative model.
C. Fire-forget model.
D. Request-reply model.

Answer: C

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8 comments:

Anonymous said...

Correct answer here should be B, no?

Anonymous said...

No, it should be C

Anonymous said...

It is B

Anonymous said...

Hi, It should be A

Anonymous said...

Correct Answer is Publish-Subscribe declerative model.(Reference Oracle SOA Boot camp docs)

Jack D said...

The answer is C only because the Event raised never looks for a response and also doesn't bother about who is consuming it. It just fires and forgets.

ysinghal said...

from SOA developer guide

Business events are typically a one-way, fire-and-forget, asynchronous way to send a notification of a business occurrence. The business process does not:

Rely on any service component receiving the business event to complete.

Care if any other service components receive the business event.

Need to know where subscribers (if any) are and what they do with the data.

Anonymous said...

http://www.packtpub.com/article/event-delivery-network-oracle-soa-suite-11g-R1

The "mode" is "fire and forget".

The "model" is "publish/subscribe".

The answer is "B".