Mulesoft MCD Level 1 Delta Exam Questions (101 Q&As)

1. What DataWeave expression transforms the example XML input to the CSV output?

A)

B)

C)

D)

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

3. Refer to the exhibits.

Each route in the Scatter-Gather sets the payload to the number shown in the label.

What response is returned to a web client request to the HTTP Listener?

A)

B)

C)

D)

4. 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 stored in a target variable named the Result.

What is the payload at the Logger component after the HTTP Request?

5. Refer to the exhibits.

A web client sends a POST request to the HTTP Listener with the payload "Hello-".

What response is returned to the web client?

6. Refer to the exhibit.

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

7. Refer to the exhibit.

What is the correct way to create a user?

A)

B)

C)

D)

8. Refer to the exhibit.

What is the correct syntax to add an employee ID as a URI parameter in an HTTP Listener path?

9. Refer to the exhibits.

A web client submits a request to http://localhost:8081/fliqhts?destination=SFO and the Web Service Consumer throws a WSC:BAD_REQUEST error.

What is the next step to fix this error?

10. What is the correct syntax for a Logger component to output a message with the contents of a 3SON Object payload?

11. Refer to the exhibit.

What expression correctly specifies input parameters to pass the city and state values to the SQL query?

A)

B)

C)

D)

12. Refer to the exhibits.

A web client sends a POST request with the payload {"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?

13. Refer to the exhibits.

The Set Payload transformer’s value is set to {‘year’: ‘2020’}.

What message value should be added to the Logger component to output the message ‘The year is 2020’, without hardcoding 2020?

14. Refer to the exhibits.

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?

15. A company has an API to manage departments, with each department identified by a unique deptld. The API was built with RAML according to MuleSoft best practices.

What is valid RAML to specify a method to update the details for a specific department?

A)

B)

C)

D)

16. 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 seconds to complete.

About how many seconds does it take from the time the Scatter-Gather is called until the Set Payload transformer is called?

17. A company has an API to manage purchase orders, with each record identified by a unique purchase order ID. The API was built with RAML according to MuleSoft best practices.

What URI should a web client use to request order P05555?

18. A Mule flow has three Set Variable transformers.

What global data structure can be used to access the variables?

19. A Mule project contains a DataWeave module called MyModule.dwl that defines a function named formatString. The module is located in the project’s src/main/resources/modules folder.

What is the correct way in DataWeave code to import MyModule using a wildcard and then call the module’s formatString function?

A)

B)

C)

D)

20. An API implementation has been deployed to CloudHub and now needs to be governed. IT will not allocate additional vCore for a new Mule application to act as an API proxy.

What is the next step to preseive the current vCore usage, but still allow the Mule application to be managed by API Manager?

21. Refer to the exhibits.

A Mule application contains a Choice router.

What is logged when the flow completes?

22. Refer to the exhibit.

The Batch Job processes, filters and aggregates records, What is the expected output from the Logger component?

23. 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?

24. Refer to the exhibit.

The error occurs when a project is run in Anypoint Studio. The project, which has a dependency that is not in the MuleSoft Maven repository, was created and successfully run on a different computer.

What is the next step to fix the error to get the project to run successfully?

25. Refer to the exhibits.

The two Mule configuration files belong to the same Mule project. Each HTTP Listener is configured with the same host string and the port number, path, and operation values are shown in the display names.

What is the minimum number of global elements that must be defined to support all these HTTP Listeners?

26. Refer to the exhibits.

The input array of strings is processed by the batch job that processes, fitters, and aggregates the values.

What is the last message logged by the Logger component after the batch job completes processing?

A)

B)

C)

D)

27. Refer to the exhibit.

The main flow is configured with their error handlers. A web client submit a request to the HTTP Listener and the HTTP Request throws an HTTP: NOT_FOUND error.

What response message is returned?

28. Refer to the exhibit.

What is the response to a web client request to http://localhost:8081?

29. A flow needs to combine and return data from two different data sources. It contains a Database SELECT operation followed by an HTTP Request operation.

What is the method to capture both payloads so the payload from the second request does not overwrite that from the first?

30. An On Table Row Database listener retrieves data from a table that contains record_id, an increasing numerical column.

How should the listener be configured so it retrieves new rows at most one time?

31. A web client submits a request to http://localhost:8081/books/0471767840. The value "0471767840" is captured by a Set Variable transformer to a variable named booklSBN.

What is the DataWeave expression to access booklSBN later in the flow?

32. Refer to the exhibit.

What Database expression transforms the input to the output?

A)

B)

C)

D)

33. Refer to the exhibit.

The API needs to be updated using the company-wide standard for the Plan data type. The Object data type has already been published in Anypoint Exchange with the global reference . ACME/DataTypes/PlanDataType.raml.

What is a valid RAML specification that reuses the Plan data type?

A)

B)

C)

D)

34. To avoid hard-coding values, a flow uses some property placeholders and the corresponding values are stored in a configuration file.

Where does the configuration file’s location need to be specified in the Mule application?

35. Refer to the exhibit.

What can be added to the flow to persist data across different flow executions?