Mulesoft MCD-Level-1 Exam Questions

229 Questions


Updation Date : 21-Jan-2026



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Refer to the exhibits. A web client sends a POST request to theHTTP Listener and the
Validation component in the Try scope throws an error. What respo
nse message is returned to the web client?


A.

Validation Error


B.

"END"


C.

"ERROR1"


D.

''ERROR2"


E.

Validation Error


F.

"END"


G.

"ERROR1"


H.

''ERROR2





D.
  

''ERROR2"



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)

How are query parameters dynamically passed to an outbound REST request using an HTTP Request operation?


A. As query parameters in the HTTP Request operation


B. As URI parameters in the HTTP Request operation


C. In the Mule event's payload


D. As flow variables





A.
  As query parameters in the HTTP Request operation

Explanation:
In General > Request > Query Parameters, click the plus icon (+) to add a parameter to a request. Type a name and value for the parameter or use a DataWeave expression to define the name and value.

Refer to the exhibit.

The default scope in choice router recursively calls the color flow.
A web client sends a PUT request to the HTTP listener with payload Blue.
What response is returned to the web client?


A. "Blk"


B. "Green"


C. A timeout error


D. ["Blue", "Red", "Blk"]





C.
  A timeout error

Explanation:
Sequence can be described as follows.
* When web client sends the request , it sends payload as Blue (mentioned in question)
* In first iteration this will go to default choice , which sets payload to Red
* Via default route , flow will call itself with payload as Red
* In second iteration , as payload is Red , it will go to first route in choice router which will set payload to Blk and second iteration will end returning back payload as Blk to first iteration.
* This Blk will be again set to payload and first iteration will end returning back response as Blk

A Mule application contains a global error handler configured tocatch any errors.
Where must the global error handler be specified so that the global error handler catches
all errors from flows without their own error handlers?


A.

A configuration properties file


B.

Nowhere, the global error handler is automatically used


C.

A global element


D.

The pom.xml file





C.
  

A global element



In an application network. If the implementation but not the interface of a product API
changes, what needs to be done to the other APIs that consume the product API?


A.

The applicationsassociated with the other APIs must be restarted


B.

The applications associated with the other APIs must be recoded


C.

The other APIs must be updated to consume the updated product API


D.

Nothing needs to be changed in the other APIs or their associated applications





D.
  

Nothing needs to be changed in the other APIs or their associated applications



Which of the below is not a valid category for connector type?


A. Gold


B. Select


C. Premium


D. Community





A.
  Gold

Gold is not valid category for connector types.

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 completesprocessing?


A.

[ ["A", "C", "D" ], ["E"] ]


B.

[''E'']


C.

[''D", "E"]


D.

[ "A", "C, "D", "E" ]





A.
  

[ ["A", "C", "D" ], ["E"] ]




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