Mulesoft MCD-Level-1 Exam Questions

229 Questions


Updation Date : 3-Nov-2025



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Refer to the exhibit.


The main flow contains a Flow Reference for the child flow.
What values are accessible in the child flow after a webclient submits a request to
http://localhost:8Q81/order? color=red?


A.

payload


B.

payload
quantity var


C.

payload
color query param


D.

payload
quantity var color query param





D.
  

payload
quantity var color query param



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?


A. The API interfaces are specified as macroservices with one API representing all the business logic of an existing and proven end to end solution


B. The API interfaces are specified at a granularity intended for developers to consume specific aspect of integration processes


C. The API implementation are built with standards using common lifecycle and centralized configuration management tools


D. The APIO implementations are monitored with common tools, centralized monitoring and security systems





B.
  The API interfaces are specified at a granularity intended for developers to consume specific aspect of integration processes

Explanation:
Correct answer is The API interfaces are specified at a granularity intended for developers to consume specific aspect of integration processes.

Refer to the exhibit.

What payload is returned from a request to http//localhost.8081/
Refer to the exhibits, what payload is returned from a request tohttp://localhost;8081/?


A.

1


B.

2


C.

3


D.

4





C.
  

3



Refer to the exhibit. 

What is the correct DataWeave expression for the Set Payload transformer to call the
createCustomerObject flow with values for the first and last names of a new customer?


A.

lookupC createCustomerObJect( "Alice", "Green- ) )


B.

createCustomerObject( { first: "Alice", last: "Green" > )


C.

lookupf "createCustomerObject", { first: "Alice", last: "Green" > )


D.

createCustomerObject( "Alice", "Green")





C.
  

lookupf "createCustomerObject", { first: "Alice", last: "Green" > )



Refer to the exhibits.

All three of the conditions for the Choice router are true. What messages are written in the application log?


A. Route1


B. Route2


C. Route1,Route2


D. Route1,Route2,Default





A.
  Route1

Only one of the routes in the Choice router executes, meaning that the first expression that evaluates to true triggers that route1 execution and the others are not checked. If none of the expressions are true, then the default route executes. Hence only Route1 will be executed as it is the first expression. hence output of logger is Route1.
MuleSoft Doc Ref : https://docs.mulesoft.com/mule-runtime/4.3/choice-router-concept The Choice router dynamically routes messages through a flow according to a set of DataWeave expressions that evaluate message content. Each expression is associated with a different routing option. The effect is to add conditional processing to a flow, similar to an if/then/else code block in most programming languages.
Only one of the routes in the Choice router executes, meaning that the first expression that evaluates to true triggers that route’s execution and the others are not checked. If none of the expressions are true, then the default route executes.

What is the difference between a subflow and a sync flow?


A. No difference


B. Subflow has no error handling of its own and sync flow does


C. Sync flow has no error handling of its own and subflow does


D. Subflow is synchronous and sync flow is asynchronous





B.
  Subflow has no error handling of its own and sync flow does

Explanation:
Correct answer is Subflow has no error handling implementation where as sync flow has Subflow:
A subflow processes messages synchronously (relative to the flow that triggered its execution) and always inherits both the processing strategy and exception strategy employed by the triggering flow. While a subflow is running, processing on the triggering flow pauses, then resumes only after the subflow completes its processing and hands the message back to the triggering flow.
Synchronous Flow:
A synchronous flow, like a subflow, processes messages synchronously (relative to the flow that triggered its execution). While a synchronous flow is running, processing on the triggering flow pauses, then resumes only after the synchronous flow completes its processing and hands the message back to the triggering flow. However, unlike a subflow, this type of flow does not inherit processing or exception strategies from the triggering flow.
This type of flow processes messages along a single thread, which is ideally suited to transactional processing.

Refer to the exhibits.

A web client submits a request to http://localhQst:8081 /flights. What is the result at the end
of the flow?


A.

"string"


B.

"Java"


C.

"object"


D.

"XML"





C.
  

"object"



According to MuleSoft. what is the first step to create a Modern API?


A.

Gather a list of requirements to secure the API


B.

Create an API specification and get feedback from stakeholders


C.

Performance tune and optimize the backend systems and network


D.

Create a prototype of the API implementation





B.
  

Create an API specification and get feedback from stakeholders




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