Certified MuleSoft Developer I

Here you have the best Salesforce Certified MuleSoft Developer I practice exam questions

  • You have 13 total questions to study from
  • Each page has 5 questions, making a total of 3 pages
  • You can navigate through the pages using the buttons at the bottom
  • This questions were last updated on October 8, 2025
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Question 1 of 13
Refer to the exhibits. The Mule application does NOT define any global error handlers.
The Validation component in the private flow throws an error.
What response message is returned to a web client request to the main flow's HTTP Listener?
Exam Certified MuleSoft Developer I: Question 1 - Image 1
    Correct Answer: D

Question 2 of 13
A function named toUpper needs to be defined that accepts a string named userName and returns the string in uppercase.
What is the correct DataWeave code to define the toUpper function?
    Correct Answer: B

Question 3 of 13
Refer to the exhibits. The Set Variable transformer is set with value
#[ { first: "Max", last: Mule" } ]
What is a valid DataWeave expression to set as the message attribute of the Logger to access the value "Max" from the Mule event?
Exam Certified MuleSoft Developer I: Question 3 - Image 1
    Correct Answer: B

Question 4 of 13
Refer to the exhibits. The main flow contains an HTTP Request operation configured to call the child flow's HTTP Listener.
A web client sends a GET request to the HTTP Listener with the qty query parameter set to 30.
After the HTTP Request operation completes, what parts of the Mule event at the main flow's Logger component are the same as the Mule event that was input to the HTTP Request operation?
Exam Certified MuleSoft Developer I: Question 4 - Image 1
    Correct Answer: C

Question 5 of 13
Refer to the exhibits. The input array of strings is processed by the batch job that processes, filters, and aggregates the values.
What is the last message logged by the Logger component after the batch job completes processing?
Exam Certified MuleSoft Developer I: Question 5 - Image 1
    Correct Answer: C