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Salesforce Certified MuleSoft Platform Integration Architect (Mule-Arch-202) Exam - Topic 9 Question 43 Discussion

Refer to the exhibit.A Mule application is deployed to a cluster of two customer-hosted Mute runtimes. The Mute application has a flow that polls a database and another flow with an HTTP Listener.HTTP clients send HTTP requests directly to individual cluster nodes.What happens to database polling and HTTP request handling in the time after the primary (master) node of the cluster has railed, but before that node is restarted?
A) Database polling continues Only HTTP requests sent to the remaining node continue to be accepted
B) Database polling stops All HTTP requests continue to be accepted
C) Database polling continues All HTTP requests continue to be accepted, but requests to the failed node Incur increased latency
D) Database polling stops All HTTP requests are rejected

Salesforce Certified MuleSoft Platform Integration Architect (Mule-Arch-202) Exam - Topic 9 Question 43 Discussion

Actual exam question for Salesforce's Salesforce Certified MuleSoft Platform Integration Architect (Mule-Arch-202) exam
Question #: 43
Topic #: 9
[All Salesforce Certified MuleSoft Platform Integration Architect (Mule-Arch-202) Questions]

Refer to the exhibit.

A Mule application is deployed to a cluster of two customer-hosted Mute runtimes. The Mute application has a flow that polls a database and another flow with an HTTP Listener.

HTTP clients send HTTP requests directly to individual cluster nodes.

What happens to database polling and HTTP request handling in the time after the primary (master) node of the cluster has railed, but before that node is restarted?

Show Suggested Answer Hide Answer
Suggested Answer: A

Correct answer is Database polling continues Only HTTP requests sent to the remaining node continue to be accepted. : Architecture descripted in the question could be described as follows.When node 1 is down , DB polling will still continue via node 2 . Also requests which are coming directly to node 2 will also be accepted and processed in BAU fashion. Only thing that wont work is when requests are sent to Node 1 HTTP connector. The flaw with this architecture is HTTP clients are sending HTTP requests directly to individual cluster nodes. By default, clustering Mule runtime engines ensures high system availability. If a Mule runtime engine node becomes unavailable due to failure or planned downtime, another node in the cluster can assume the workload and continue to process existing events and messages


by Wayne at May 13, 2026, 11:16 AM

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Percy
15 hours ago
Database polling stops when the master node fails.
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Virgina
6 days ago
C) seems plausible, but increased latency? Not sure about that one.
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Maira
11 days ago
Totally agree with A), makes sense for the remaining node to handle requests.
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Janae
16 days ago
Wait, how can polling continue if the master is down? Sounds off.
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Zack
21 days ago
I think B) is correct. Polling should stop if the master fails.
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Pamella
26 days ago
A) Database polling continues, only HTTP requests to the remaining node are accepted.
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Hester
1 month ago
I remember something about increased latency when a node fails, but I can't remember if that applies to polling or just HTTP requests. This is tricky!
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Shasta
1 month ago
I’m leaning towards option B because I recall that HTTP requests can still be processed by the remaining node, but I’m not confident about the database polling.
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Nilsa
1 month ago
This reminds me of a practice question where we discussed how HTTP requests are handled in a cluster. I feel like option A could be correct.
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Rachael
3 months ago
I think I remember that when a master node fails, the database polling might stop since it relies on that node. But I'm not entirely sure.
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