Free MuleSoft MCD-Level-1 Practice Test & Real Exam Questions

  • Exam Code/Number: MCD-Level-1
  • Exam Name/Title: MuleSoft Certified Developer - Level 1 (Mule 4)
  • Certification Provider: MuleSoft
  • Corresponding Certification: MuleSoft Certified Developer
  • Exam Questions: 235
  • Updated On: Jul 03, 2026
How would you debug Mule applications?
Correct Answer: D Vote an answer
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Refer to the below exhibit.
A Mule application configures a property placeholder file named config.yaml to set some property placeholders for an HTTP connector.
What is the valid properties placeholder file to set these values?
Correct Answer: C Vote an answer
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Refer to the exhibit.

The Database Select operation returns five rows from a database. What is logged by the Logger component?
Correct Answer: D Vote an answer
What is output of Dataweave flatten function?
Correct Answer: C Vote an answer
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In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do?
Correct Answer: C Vote an answer
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A company has an API to manage departments, with each department identified by a unique deptld. 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?
Correct Answer: C Vote an answer
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An organization is beginning to follow Mulesoft's recommended API led connectivity approach to use modern API to support the development and lifecycle of the integration solutions and to close the IT delivery gap.
What distinguishes between how modern API's are organized in a MuleSoft recommended API-led connectivity approach as compared to other common enterprise integration solutions?
Correct Answer: A Vote an answer
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What is minimal requirement in a flow for a Mule application to compile?
Correct Answer: A Vote an answer
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Refer to the exhibits.

A Mule application has an HTTP Request that is configured with hardcoded values. To change this, the Mule application is configured to use a properties file named config.yaml.
what valid expression can the HTTP Request host value be set to so that it is no longer hardcoded?
Correct Answer: A Vote an answer
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What valid RAML retrieves details on a specific by its orderld as a URL parameter?
Correct Answer: A Vote an answer
A web client sends one GET request to the test flow's HTTP Listener, which causes the test flow to call the updateTemp flow After the test flow returns a response, the web client then sends a different GET request to trie getTemp flow's HTTP Listener The test flow is not called a second time.
What response is returned from the request to the getTemp flow's HTTP Listener?


Correct Answer: D Vote an answer
Refer to the exhibit.

In the execution of the Scatter_Gather, the flow1 route completes after 10 seconds and the flow2 route completes after 20 seconds.
How many seconds does it take for the Scatter_Gather to complete?
Correct Answer: B Vote an answer