Mulesoft MCD-Level-1 Exam Questions

229 Questions


Updation Date : 21-Jan-2026



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Pick the component with which DataWeave is tightly integrated.


A. All APIs


B. Mule runtime


C. Exchange


D. Flow Designer





B.
  Mule runtime

Explanation:
Correct answer is Mule runtime
DataWeave is the MuleSoft expression language for accessing and transforming data that travels through a Mule app. DataWeave is tightly integrated with the Mule runtime engine, which runs the scripts and expressions in your Mule app.

A RAML specification is defined to manage customers with a unique identifier for each
customer record. What URI does MuleSoft recommend to uniquely access the customer
identified with the unique ID 1234?


A.

/customers?custid=true&custid=1234


B.

/customers/1234


C.

/customers/custid=1234


D.

/customers?operation=get&custid=1234





B.
  

/customers/1234



What payload is returned by a Database SELECT operation that does not match any rows
in the database?


A.

false


B.

null


C.

Exception


D.

Empty Array





D.
  

Empty Array



Refer to the exhibit.



A.

Option A


B.

Option B


C.

Option C


D.

Option D





B.
  

Option B



Refer to the exhibit. 

What is a valid expression for the Choice router’s when expression to route events to the
documenticShipping flow?


A.

0#[ payload = 'US' ]


B.

#[ payload == 'US' J


C.

#[ if(payload = 'US') J


D.

#[ if(payload == "US") ]





B.
  

#[ payload == 'US' J



Refer to the exhibits.

The Validation component in the private flow throws an error. What response message is
returned to a client request to the main flow's HTTP Listener?


A.

Error - private flow


B.

Error - main flow


C.

Success - main flow


D.

Validation Error





C.
  

Success - main flow



What HTTP method in a RESTful web service is typically used to completely replace an existing resource?


A. GET


B. PATCH


C. PUT


D. POST





C.
  PUT

PUT replaces the original version of the resource, whereas the PATCH method supplies a set of instructions to modify the resource.

Refer to theexhibits.

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?


A.

${training.host}


B.

${training:host}


C.

#[training:host]


D.

#[training.host]





A.
  

${training.host}




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