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March 31, 2023

Practicing with MuleSoft Certified Developer MCD-Level 1 exam dumps questions can help you build confidence and reduce exam anxiety. By familiarizing yourself with the types of questions you can expect to see on the MCD-Level 1 MuleSoft Certified Developer - Level 1 (Mule 4) exam and mastering the concepts and skills required to answer them, you can approach the exam with greater confidence and a sense of calm. Besides, MCD-Level 1 dumps questions can help you achieve this level of knowledge and confidence. Study free Mulesoft MCD-Level 1 exam dumps below.

Page 1 of 8

1. What is the output of Dataweave Map operator?

Map

Object

String

Array

2. Refer to the exhibits.

The main flow contains a Flow Reference to the child flow.

A web client sends a GET request to the main flow's HTTP Listener that includes a make query parameter.

What values are accessible in the child flow?

payload

payload make query param

payload model var

payload make query param model var

3. get:

4. Does a root element required when creating a XML response using Dataweave?

Depends on requirement

Not required

Always required

None of these

5. How we can scale deployed Mule application vertically on cloudhub?

Changing worker size

Adding multiple workers

Mule applications can be scaled only horizontally

Option 1 and 2 both can be used

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

Object of String file names

Array of String file names

Object of Mule event objects

Array of Mule event objects

7. Utility.encryptString( "John Smith" )

8. Refer to the exhibits.

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

The HTTP Listeners and HTTP Request use default configurations.

A web client submits a request to the main flow's HTTP Listener that includes query parameters for the pedigree of the piano.

What values are accessible to the Logger component at the end of the main flow?

payload

payload pedigree query params

payload producer var

payload pedigree query params producer var

9. Refer to the exhibits.

The mule application is debugged in Anypoint Studio and stops at the breakpoint as shown in below exhibit.

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

Start

Process

Finished

Payload is always empty at the breakpoint

10. Refer to the exhibits.

Set paylaod transformer is set the firstName and lastName of the customer as shown in below images.

What is the correct Dataweave expression which can be added in message attribute of a Logger activity to access firstName (which in this case is Madhav) from the incoming event?

firstName

customer.firstName

vars."customer.firstName"

vars."customer"."firstName"

Page 2 of 8

11. What is not the function of API Gateway?

Determine which traffic is authorized to pass through the API to backend services

Meter the traffic flowing through

Logs all transactions, collecting and tracking analytics data

Specify throttling, security and other policies

12. Refer to the exhibits.

What payload and quantity are togged at the end of the main flow?

[[order1, order2, order3, order4], 14]

[[1,2,3,4], 10]

[[1,2,3,4], 14]

[orderlorder2order3order4, 14]

13. Refer to the exhibit.

The Mule application's connectors are configured with property placeholders whose values are set in the config.yaml file

What must be added to the Mule application to link the config.yaml file's values with the property placeholders?

A configuration-properties element in the acme-app xml file

A dependency element in the pom xml file

A file-config element in the acrne-app xml file

A propertiesFile key/value pair in the mule-artifact json file

14. 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)

Option A

Option B

Option C

Option D

15. A shopping API contains a method to look up store details by department

To get information for a particular store, web clients will submit requests with a query parameter named department and a URI parameter named storeld.

What is a valid RAML snippet that supports requests from web clients to get data for a specific storeld and department name?

A)

Option A

Option B

Option C

Option D

16. Refer to the exhibit.

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

Mule event

Mule message payload

Mule message

Mule message attributes

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?

What export option create their smallest deployable archive that will successfully deploy to CloudHub?

A)

Option A

Option B

Option C

Option D

18. 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?

Account Type: #[flowVars.accountType]

Account Type: #[message.inboundProperties.accountType]

Account Type: # [attributes.accountType]

Account Type: #[vars.accountType]

19. Refer to the exhibit.

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

After

before

Validation Error

null

20. Refer to the exhibit.

What is the correct syntax to add a customer ID as a URI parameter in an HTTP Listener's path attribute?

(customerlD)

{customerlD}

#[customerlD]

${ customerID}

Page 3 of 8

21. What is the output type of the DataWeave map operator?

String

Array

Map

Object

22. Pick the component with which DataWeave is tightly integrated.

All APIs

Mule runtime

Exchange

Flow Designer

23. Refer to the exhibit.

What Database expression transforms the input to the output?

A)

Option A

Option B

Option C

Option D

24. A flow has a JMS Publish consume operation followed by a JMS Publish operation. Both of these operations have the default configurations.

Which operation is asynchronous and which one is synchronous?

Publish consume: Synchronous. Publish: Asynchronous.

Publish consume: Asynchronous. Publish: Synchronous

Publish consume: Asynchronous. Publish: Asynchronous

Publish consume: Synchronous. Publish: Synchronous

25. What happens to the attributes of a Mule event in a flow after an outbound HTTP Request is made?

Attributes are replaced with new attributes from the HTTP Request response (which might be null)

New attributes may be added from the HTTP response headers, but no headers are ever removed

Attributes do not change

Previous attributes are passed unchanged

26. 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?

Error - private flow

Error - main flow

Success - main flow

Validation Error

27. What is the default port used by Mule application debugger configuration in Anypoint Studio?

8082

8080

7777

6666

28. Refer to the exhibits.

A web client submits a request to http://localhQst:8081.

What is the structure of the payload at the end of the flow?

A)

Option A

Option B

Option C

Option D

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

Option A

Option B

Option C

Option D

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

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

Request access to the API in Anypoint Exchange

Email the owners of the API

Create a new client application

No additional steps needed

Page 4 of 8

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

/(*)

/()

“/*”

32. 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?

'#[The year is $(pay load .year)]*

The year is #[payload.year]'

'#[The year is " + paytoad.year]'

#["The year is "++ payload.year].

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

#include dw::core

Not needed

import core

import dw::core

34. 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 to http://localhost;8081/?

35. 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?

Modify the API implementation to use auto-discovery to register with API Manager

Upload the Mule application's JAR file to the API instance in API Manager

Deploy the same API implementation behind a VPC and configure the VPC to connect to API Manager

36. host: " localhost"

37. Refer to the exhibit.

How should be the where clause written for the configured input parameters in such a way that it achieves below SQL query?

WHERE city := ${city} AND state := ${state}

WHERE city = attributes.city AND state = attributes.state

WHERE city = :city AND state = :state

WHERE city := city AND state := state

38. What is the correct way to format the decimal 200.1234 as a string to two decimal places?

200.1234 as string as format: ".0#"

200.1234 as String {format: ".0#"}

200.1234 as String as format: ".0#"

200.1234 as string {format: ".0#"}

39. What is the purpose of the api:router element in APIkit?

Creates native connectors using a 3rd party Java library

Serves as an API implementation

Validates requests against RAML API specifications and routes them to API implementations

Validates responses returned from API requests and routes them back to the caller

40. Which of the module is imported automatically in Dataweave scripts?

dw::core

dw::System

dw::Runtime

dw::Crypto

Page 5 of 8

41. What is the minimum Cloudhub worker size that can be specified while deploying mule application?

0.2 vCores

0.5 vCores

1.0 vCores

0.1 vCores

42. 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?

43. What is minimal requirement in a flow for a Mule application to compile?

Event Source

Event Processors

Error handlers

Source and processors both

44. 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?

Set the target to store the last retrieved record_id value

Set the ObjectStore to store the last retrieved record_id value

Set the target to the record_id column

Set the watermark column to the record id column

45. An API has been created in Design Center.

What is the next step to make the API discoverable?

Publish the API to Anypoint Exchange

Publish the API from inside flow designer

Deploy the API to a Maven repository

Enable autodiscovery in API Manager

46. 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)

Option A

Option B

Option C

Option D

47. 3. loginUser("[email protected]")

48. A function named newProdCode needs to be defined that accepts two input parameters, an integer value for itemID and a string value for productCategory, and returns a new product code.

What is the correct DataWeave code to define the newProdCode function?

fun newProdCode{itemID: Number, productCategory: String) ―> "PC-" ++ productCategory ++ (itemID as String)

fun newProdCode(itemID: Number, productCategory: String) = "PC-" ++ productCategory ++ (itemID as String)

function newProdCode(itemID: Number, productCategory: String) = "PC-" ++ productCategory ++ (itemID as String)

var newProdCode(itemID: Number, productCategory: String) -> "PC-" ++ productCategory ++ (itemID as String)

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

Gather a list of requirements to secure the API

Create an API specification and get feedback from stakeholders

Performance tune and optimize the backend systems and network

Create a prototype of the API implementation

50. A RAML example fragment named StudentExample.raml is placed in the examples folder in an API specification project.

What is the correct syntax to reference the fragment?

examples: !include StudentExample.raml

examples: #import StudentExample.raml

examples: !include examples/StudentExample.raml

examples: #import examples/StudentExample.raml

Page 6 of 8

51. 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?

The XML response body

null

The original JSON request body

A non-empty Java object

52. What does C4E stands for in MuleSoft recommended IT operating model?

Centre for Empowerment

Centre for Engagement

Centre for Enablement

Centre for Excellence

53. 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?

white

red

blue

Error message

54. Refer to the exhibits.

The orders.csv file is read, then processed to look up the orders in a database. The Mule application is debugged in Any point Studio and stops at the breakpoint.

What is the payload shown in the debugger at this breakpoint?

"none"

The entire CSV file

The database response

100

55. What valid RAML retrieves details on a specific by its orderld as a URL parameter?

A)

Option A

Option B

Option C

Option D

56. Refer to the exhibits.

The my-app xml file contains an Error Handier scope named "global-error-handler"

The Error Handler scope needs to be set to be the default error handler for every flow in the Mule application

Where and how should the value "global-error-handler" be added in the Mule project so that the Error Handler scope is the default error handler of the Mule application?

In the mule-artifact json file, as the value of a key-value pair

In the Validation folder as the value of a global element in the error-handling yaml file

In the pom.xml file, as the value of a global element

In the my-app.xml file, as an attribute of a configuration element

57. As a part of requirement, application property defined below needs to be accessed as dataweave expression.

What is the correct expression to map it to port value?

{ port : p('db.port')}

{ port : {db:port}}

{ port : p['db.port']}

Application property cannot be accessed in Dataweave

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

false

null

Exception

Empty Array

59. 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?

Put the Database SELECT operation inside a Cache scope

Put the Database SELECT operation inside a Message Enricher scope

Nothing, previous payloads are combined into the next payload

Save the payload from the Database SELECT operation to a variable

60. What should this endpoint return? http://dev.acme.com/api/patients?name=John&surname=Bell

Patient with name as John

Patient with surname as bell

Patients with either name as John or surname as Bell

Patients with name as John and surname as Bell

Page 7 of 8

61. 3: Object ({student: {name: "Anay" as String {class: "java.lang.String"},age: 6 as Numbe...)

D. Error : You evaluated inline expression # without ++

62. What is the main purpose of flow designer in Design Center?

To design and develop fully functional Mule applications in a hosted development environment

To design API RAML files in a graphical way

To design and mock Mule application templates that must be implemented using Anypoint Studio

To define API lifecycle management in a graphical way

63. Refer to the exhibits.

The Validation component in the Try scope throws an error.

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

Success - main flow

Error - main flow

Error - Try scope

Validation Error

64. {step2amount=102}

65. What should this endpoint return considering the API is build using standard practices?

http://dev.acme.com/api/patients?year=2021

Patient with id 2021

Patients from year 2021

No patients

All patients

66. Refer to exhibits.

What message should be added to Logger component so that logger prints "The city is Pune" (Double quote should not be part of logged message)?

#["The city is" ++ payload.City]

The city is + #[payload.City]

The city is #[payload.City]

#[The city is ${payload.City}

67. Refer to the exhibits.

A web client sends sale data in a POST request to the Mule application. The Transform Message component then enrich the payload by prepending a vendor name to the sale data.

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

The enriched payload in JSON format

The enriched payload in XML format

The enriched payload in CSV format

An error message

68. 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?

/apis/?

/apis/

/apis/orders|customers

/apis/*

69. In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do?

To avoid duplicate processing of records in a database.

To delete the most recent records retrieved from a database to enable database caching

To enable duplicate processing of records in a database

To save the most recent records retrieved from a database to enable database caching

70. An organization's Center for enablement (C4E)has built foundational assets (API specifications and implementation templates, common frameworks, and best practices guides) and published them to Anypoint Exchange.

What is a metric related to these foundational assets that helps the organization measure the success of it's C4E efforts?

Utilization counts of foundational assets in production applications

Correlation of each foundational asset with the counts of developers that download such asset

Correlation of key performance indicators (KPI) of production applications with foundational assets

Count how many Lines Of Business (LoBs) onsumed each foundational asset

Page 8 of 8

71. Refer to the exhibit.

What data is expected by the POST /accounts endpoint?

A)

Option A

Option B

Option C

Option D

72. A Mule application contains a global error handler configured to catch any errors.

Where must the global error handler be specified so that the global error handler catches all errors from flows without their own error handlers?

A configuration properties file

Nowhere, the global error handler is automatically used

A global element

The pom.xml file

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

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

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

None of these

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

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