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Q46 Single choice

Universal Containers wants to notify an external system, in the event that an unhandled exception occurs, by publishing a custom event using Apex.

What is the appropriate publish/subscribe logic to meet this requirement?

A
Publish the error event using the EventBus.publish() method and have the external system subscribe to the event using CometD.
B
Publish the error event using the addError() method and have the external system subscribe to the
event using CometD.
C
Publish the error event using the addError() method and write a trigger to subscribe to the event and notify the external system.
D
Have the external system subscribe to the event channel. No publishing is necessary.

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