Mulesoft MCD-Level-1 Exam Questions

229 Questions


Updation Date : 15-Dec-2025



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Refer to the exhibits.

What is the response when a client submits a request to http://localhost:8081?


A. After


B. null


C. Before


D. Validation error





D.
  Validation error

Here’s specifically what is happening here:
1) Payload is successfully set to “Before”
2) Is null validation is used which will pass the message only if payload is null. In this case as payload is not null, it creates an Error Object. Flow execution stops
#[error.description] = “Validation error”
3) Because no error handler is defined, the Mule default error handler handles the error
4) “Validation error” is the error message returned to the requestor in the body of the HTTP request with HTTP Status Code: 500
Reference diagram:

Refer to the exhibits.

The my-app xml file contains an Error Handier scope named "global-error-handler"
The Error Handler scope needs to be set to be the default error handler for every flow in the Mule application.
Where and how should the value "global-error-handler" be added in the Mule project so that the Error Handler scope is the default error handler of the Mule application?


A. In the mule-artifact json file, as the value of a key-value pair


B. In the Validation folder as the value of a global element in the error-handling yaml file


C. In the pom.xml file, as the value of a global element


D. In the my-app.xml file, as an attribute of a configuration element





D.
  In the my-app.xml file, as an attribute of a configuration element

Which of the following is invalid type of event processor which can be used as a router?


A. Choice


B. Round Robin


C. Pick First


D. First Successful





C.
  Pick First

Pick First is not valid type. Rest all are valid type of event processor.

Refer to the exhibit 

What is the output payload in the On Complete phase


A.

summary statistics with NO record data


B.

The records processed by the last batch step: [StepTwol, StepTwo2, StepTwo3]


C.

The records processed by all batch steps: [StepTwostepOnel, stepTwostepOne2,
StepTwoStepOne3]


D.

The original payload: [1,2,31





D.
  

The original payload: [1,2,31



Refer to the exhibits.

Client sends the request to ClientRequestFlow which calls ShippingFlow using HTTP Request activity.
During E2E testing it is found that that HTTP:METHOD_NOT_ALLOWED error is thrown whenever client sends request to this flow.
What attribute you would change in ClientRequestFlow to make this implementation work successfully?


A. Change the method attribute value to "*’’


B. Change the path attribute value to "/api/ship"


C. Change the allowed method attributes value to "POST"


D. Change the protocol attribute value to "HTTPS"





C.
  Change the allowed method attributes value to "POST"

Explanation:
Correct answer is Change the method attributes value to "POST".
It can be fixed in either of the two ways as below.
1) Changing method attribute to POST in ClientRequestFlow
2) Setting allowedMethods as PUT in ShippingFlow (but doesn't fit as question mentions about changing ClientRequestFlow)

Refer tothe exhibit.
The Mule application Is debugged in Any point Studio and stops at the breakpoint What is
the value of the payload displayed In the debugger at this breakpoint?


A.

0


B.

"Processing"


C.

"Start"


D.

Complete"





C.
  

"Start"



According to MuleSoft, what is the Center for Enablement’s role in the new IT operating model?


A. Implements line of business projects to enforce common security requirements


B. Creates and manages discoverable assets to be consumed by line of business developers


C. Centrally manages partners and consultants to implement line of business projects


D. Implements line of business projects to enforce common security requirements





B.
  Creates and manages discoverable assets to be consumed by line of business developers

Correct answer is Creates and manages discoverable assets to be consumed by line of business developers.
C4E does not get directly involved in projects.

A Utility.dwl file is located in a Mule project at src/main/resources/modules. The Utility.dwl hie defines afunction named pascalize that reformats strings to pascal case. What is the correct DataWeave to call the pascalize function in a Transform Message component?



A.

Option A


B.

Option B


C.

Option C


D.

Option D





B.
  

Option B




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