Mulesoft MCD-Level-1 Exam Questions

229 Questions


Updation Date : 29-Jan-2026



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Refer to the exhibits. In the color flow , both the variable named color and payload are set to "red".
An HTTP POST request is then sent to the decideColor flow's HTTP Listener.
What is the payload value at the Logger component after the HTTP request completes?


A. white


B. red


C. blue


D. Error message





C.
  blue

Explanation:
Correct answer is white.
Key thing to note here is that variables are not available to the called flow when it is invoked using HTTP request.
So the flow goes like below:
1) Color variable is set to red
2) Payload is set to red
3) Child flow is called using HTTP request which means variables are not available in called flow (They would have been if flow reference activity would have been used)
4) Hence set payload activity will set payload to white as color variable is null.
5) Payload returned in main flow is white.
6) So finally output of logger is white.

Refer to the exhibits.

As a mulesoft developer, what you would change in Database connector configuration to resolve this error?


A. Configure the correct host URL


B. Configure the correct database name


C. Configure the correct table name


D. Configure the correct JDBC driver





D.
  Configure the correct JDBC driver

Explanation:
Correct answer is Configure the correct JDBC driver as error message suggests the same Caused by: java.sql.SQLException: Error trying to load driver: com.mysql.jdbc.Driver :
Cannot load class 'com.mysql.jdbc.Driver': [
Class 'com.mysql.jdbc.Driver' has no package mapping for region 'domain/default/app/mule_app'.,
Cannot load class 'com.mysql.jdbc.Driver': [

How are multiple conditions used in a Choice router to route events?


A. To route the same event to the matched route of EVERY true condition


B. To find the FIRST true condition, then distribute the event to the ONE matched route.


C. None of these


D. To find the FIRST true condition, then route the same event to the matched route and ALL FOLLOWING routes





B.
  To find the FIRST true condition, then distribute the event to the ONE matched route.

Explanation:
Choice router finds the FIRST true condition, then distribute the event to the ONE matched route.
MuleSoft Doc Ref : https://docs.mulesoft.com/mule-runtime/4.1/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.

According to Mulesoft, how are Modern APIs treated as?


A. Products


B. SOAP API's


C. Rest API's


D. Code





A.
  Products

Explanation:
Correct answer is Products
Modern API has three features 1) Treated as products for easy consumption 2)
Discoverable and accessible through self-service 3) Easily managed for security , scalability and performance.

Refer to the exhibits.

A Mule application contains a Choice router. What is logged when the flow completes?


A.

EU


B.

US


C.

"REGION"


D.

["US", "EU"]





B.
  

US



What is the trait name you would use for specifying client credentials in RAML?


A. headers


B. client-id


C. client-id-required


D. cannot be specified in RAML





C.
  client-id-required

Explanation:
client-id-required enforces clients to add client_id and client_secret.
Please refer to below steps.
Add a section called traits: at the root level to define query parameters:
•traits:
- client-id-required:
queryParameters:
client_id:
type: string
client_secret:
type: string
2) Reference the trait in each of the methods to specify that each of the methods require these query parameters. After each method in the RAML file, add is:
[client-id-required]. For example:
/users:
get:
is: [client-id-required]
description: Gets a list of JSONPlaceholder users.

Refer to the exhibits.


A. Option A


B. Option B


C. Option C


D. Option D





C.
  Option C

Refer to the exhibits.

The main flow contains a Flow Reference component configured to call the child flow What part(s) of a Mule event passed to the Flow Reference component are available in the child flow?


A. The payload and all attributes


B. The payload and all variables


C. The entire Mule event


D. The payload





B.
  The payload and all variables


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