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Exam MCD-Level-2 Topic 1 Question 20 Discussion

Actual exam question for MuleSoft's MCD-Level-2 exam
Question #: 20
Topic #: 1
A Mule application deployed to a standardalone Mule runtime uses VM queues to publish messages to be consumed asynchronously by another flow.
In the case of a system failure, what will happen to in-flight messages in the VM queues that have been consumed?

Suggested Answer: B Vote an answer

Explanation
In case of a system failure, in-flight messages in persistent VM queues that have been consumed will be processed after the system comes online. This is because persistent VM queues store messages on disk and guarantee delivery even if there is a system crash or restart. Therefore, any in-flight messages that have been consumed but not processed will be recovered from disk and processed when the system is back online.
References: https://docs.mulesoft.com/mule-runtime/4.3/vm-connector#persistent-queues

by Heather at Feb 17, 2024, 06:40 AM

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