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Certified MuleSoft Developer I

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

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  • These questions were last updated on May 7, 2026
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Question 1 of 60

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
Answer

Suggested Answer

The suggested answer is D.

Question 2 of 60
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?
Answer

Suggested Answer

The suggested answer is B.

Community Votes1 vote
BSuggested
100%
Question 3 of 60
Northern Trail Outfitters (NTO) has an API to manage departments, with each department identified by a unique deptId. The API was built with RAML according to MuleSoft best practices.
What is valid RAML to specify a method to update the details for a specific department?
Answer

Suggested Answer

The suggested answer is B.

Question 4 of 60

Refer to the exhibits. A Mule application polls a database table.

This error is logged when the Mule application is run.

What should be changed in the Database connector configuration to resolve this error?

Exam Certified MuleSoft Developer I: Question 4 - Image 1
Answer

Suggested Answer

The suggested answer is A.

Question 5 of 60

Refer to the exhibits. BetterBooks has defined this Book data type and Book example to be used in APIs.

What is valid RAML for an API that uses this Book data type and Book example?

Exam Certified MuleSoft Developer I: Question 5 - Image 1
Answer

Suggested Answer

The suggested answer is B.

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