MuleSoft Certified Developer-Level 1 (Mule 4) Sample Questions

1. How would you debug Mule applications?

2. What does to the attributes of a Mule event happen in a flow after an outbound HTTP Request is made?

3. The new RAML spec has been published to Anypoint Exchange with client credentials.

What is the next step to gain access to the API?

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

5. What is not an asset?

6. How to import Core (dw::Core) module into your DataWeave scripts?

7. What is the value of the stepVar variable after the processing of records in a Batch Job?

8. What is the object type returned by the File List operation?

9. Where are values of query parameters stored in the Mule event by the HTTP Listener?

10. How can you call a flow from Dataweave?

11. Refer to the exhibit.

What Database expression transforms the input to the output?

A)

B)

C)

D)

12. Refer to the exhibit.

The main flow contains an HTTP Request in the middle of the flow.

The HTTP Listeners and HTTP request use default configurations.

What values are accessible to the Logger at the end of the flow after a web client submit request tohttp://local:801/order?color=red?

13. Refer to the exhibits.

What is valid text to set the field in the Database connector configuration to the username value specified in the config.yaml file?

14. Refer to the exhibit.

The input array of strings is passed to the batch job, which does NOT do any filtering or aggregating.

What payload is logged by the Logger component?

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

16. A Mule application contains an ActiveMQ JMS dependency. The Mule application was developed in Anypoint Studio and runs successfully in Anypoint Studio.

The Mule application must now be exported from Anypoint Studio and shared with another developer.

What export options create the smallest JAR file that can be imported into the other

developer’s Anypoint Studio and run successfully?

17. A Mule project contains a MySQL Database dependency. The project is exported from Anypoint Studio so it can be deployed to CloudHub.

What export options create the smallest deployable archive that will successfully deploy to CloudHub?

A)

B)

C)

D)

18. Refer to the exhibit.

What should be changed to fix the 415 error?

19. Refer to the exhibit.

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

20. Refer to the exhibits.

A company has defined this Book data type and Book example to be used in APIs.

What is valid RAML for an API that uses this Book data type and Book

example?

A)

B)

C)

D)

21. A Mule application contains two HTTP Listeners, each configured for different API endpoints: http://acme.com/apis/orders and http: //acme .com/a pis/customers.

What base path value should be set in an HTT? Listener config element so that it can be used to configure both HTTP Listeners?

22. Acompany 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)

23. An SLA based policy has been enabled in API Manager.

What is the next step to configure the API proxy to enforce the newSLA policy?

24. Refer to the exhibits.

What is written to the records.csv file when the flow executes?

25. ARAML specification is defined to manage customers with a unique identifier for each customer record.

What URI does MuleSoft recommend to uniquely access the customer identified with the unique ID 1234?

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

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

28. Refer to the exhibits.

The Set Payload transformer in the addltem child flow uses DataWeave to create an order object.

What is the correct DataWeave code for the Set Payload transformer in the createOrder flow to use the addltem child flow to add a router call with the price of 100 to the order?

29. 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)

30. Refer to the exhibits.

The Validation component in the private flow throws an error.

What response message is returned to a client request to the main flow’s HTTP Listener?

31. Refer to the exhibits.

A web client submits a request to the HTTP Listener and the HTTP Request throws an error.

What payload and status code are returned to the web client?

32. 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?

33. Refer to the exhibit.

This RAML specification includes a resource and method to retrieve accounts by account_type and industry.

What is the correct URI to get all retail finance accounts?

34. What execution model is used by For Each and Batch Job scopes?

35. A Mule flow has three Set Variable transformers.

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

36. An app team is developing a mobile banking app. It took them two months to create their own APIs to access transaction information from a central database. The app team later found out that another team had already built an API that accesses the transaction information they need.

According to MuleSoft, what organization structure could have saved the app team two months of development time?

37. Refer to the exhibit.

How many private flows does APIKIT generate from the RAML specification?

38. Refer to the exhibit.

The Mule application Is debugged in Any point Studio and stops at the breakpoint.

What is the value of the payload displayed In the debugger at this breakpoint?

39. What path setting is required for an HTTP Listener endpoint to route all requests to an APIkit router?

40. 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?