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Exam MCIA - Level 1 All Questions

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Exam MCIA - Level 1 topic 1 question 62 discussion

Actual exam question from Mulesoft's MCIA - Level 1
Question #: 62
Topic #: 1
[All MCIA - Level 1 Questions]

Refer to the exhibit. This Mule application is deployed to multiple CloudHub workers with persistent queues enabled.
The retrieveFile flow's event source reads a CSV file from a remote SFTP server and then publishes each record in the CSV file to a VM queue.
The processCustomerRecords flow's VM Listener receives messages from the same VM queue and then processes each message separately.
How are messages routed to the CloudHub workers as messages are received by the VM Listener?

  • A. Each message is routed to the SAME CloudHub worker that retrieved the file, thereby BINDING ALL messages to ONLY that ONE CloudHub worker
  • B. Each message is duplicated to ALL of the CloudHub workers, thereby SHARING EACH message with ALL the CloudHub workers
  • C. Each message is routed to ONE of the available CloudHub workers in a NON-DETERMINISTIC non-round-robin fashion, thereby APPROXIMATELY BALANCING messages among the CloudHub workers
  • D. Each message is routed to ONE of the CloudHub workers in a DETERMINISTIC round-robin fashion, thereby EXACTLY BALANCING messages among the CloudHub workers
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Suggested Answer: C 🗳️
by Outdoor25 at Jan. 2, 2022, 8:30 p.m.

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madgeezer
2 years, 3 months ago
Selected Answer: C
C. Each message is routed to ONE of the available CloudHub workers in a NON-DETERMINISTIC non-round-robin fashion, thereby APPROXIMATELY BALANCING messages among the CloudHub workers
upvoted 2 times
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sanni27
2 years, 10 months ago
Agree with C. ref - https://help.mulesoft.com/s/question/0D52T00004mXXXSSA4/vm-deployed-into-cloudhub-with-multiple-workers
upvoted 1 times
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Outdoor25
2 years, 10 months ago
It should be C. I was leaning towards D but D is only applicable if we are dealing with HTTP requests. The question is about Persistent VM queue consumer. Because its Persistent VM which is going to distribute message across workers in non-deterministic way hence causing messages to be processed in non-deterministic way.
upvoted 1 times
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