MCD-Level-1 Exam Questions

Total 229 Questions

Last Updated Exam : 15-Apr-2025

An HTTP Request operation sends an HTTP request with a non-empty JSON object payload to an external HTTP endpoint.The response from the external HTTP endpoint
returns an XML body. The result is stored in a target named the Result.
What is the payload at the event processor after the HTTP Request?


A.

The XML response body


B.

null


C.

The original JSON request body


D.

Anon-empty Java object





C.
  

The original JSON request body



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



Refer to the exhibits.

In the requestFlow an HTTP Request operation is configured to send an HTTP request with
an XML payload. The request is sent to the HTTP Listener in the transform Flow.
That flow transforms the incoming payload into JSON format and returns the response to
the HTTP request. The response of the request is storedin a target variable named the
Result.
What is the payload at the Logger component after the HTTP Request?


A.

A non-empty Java object


B.

The original XML payload


C.

null


D.

The returned JSON response





B.
  

The original XML payload



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



A Database On Table Row listener retrieves data from a CUSTOMER table that contains a
primary key userjd column and an increasing kxjin_date_time column. Neither column 
allows duplicate values. How should the listener be configured so it retrieves each row at most one time?


A.

Set the watermark column to the bgin_date_time column


B.

Set the target value to the last retrieved login_date_time value


C.

Set the target value to the last retrieved user_jd value


D.

Set the watermark column to the user_Id column





A.
  

Set the watermark column to the bgin_date_time column



Refer to the exhibit.

A Mule event is composed of ahierarchy of objects. Where in the hierarchy are variables
stored?


A.

Mule event


B.

Mule message payload


C.

Mule message


D.

Mule message attributes





C.
  

Mule message



Refer to the exhibit. 

In the execution of the Scatter_Gather, the flow1 route completes after 10 seconds and the
flow2 route completes after 20 seconds.
How many seconds does it take for the Scatter_Gather to complete?


A.

0


B.

10


C.

20


D.

30





C.
  

20



Refer to the exhibit.
In the execution of the Scatter-Gather, the "steep 1 sec" Flow Reference takes about 1
second to complete, and the "sleep 5 sees" Row Reference takes about 5 secondsto
complete.
About how many seconds does it take from the time the Scatter-Gather is called until the
Set Payload transformer is called?



A.

0


B.

1


C.

5


D.

6





C.
  

5



A web client submits a request to http://localhost:8081?accountType=personal. The query
parameter is captured using a Set Variable transformer to a variable named accountType.
What is the correct DataWeave expression to log accountType?


A.

Account Type: #[flowVars.accountType]


B.

Account Type: #[message.inboundProperties.accountType]


C.

Account Type: # [attributes.accountType]


D.

Account Type: #[vars.accountType]





D.
  

Account Type: #[vars.accountType]



Refer to the exhibits. 

A web client sends a POST request with thepayload {"oid": "1000", "itemid": "AC200", "qty":
"4" } to the Mule application. The File Write operation throws a FILE:CONNECTIVITY error.
What response message is returned to the web client?


A.

‘’FILE:CONNECnvnY'


B.

"ORDER:NOT_CREATED"


C.

"OTHER ERROR"


D.

"File written"





A.
  

‘’FILE:CONNECnvnY'




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