Name: MuleSoft Certified Developer - Level 2 (Mule 4)
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Free MuleSoft MCD-Level-2 Exam Actual Questions

The questions for MCD-Level-2 were last updated On Jun 12, 2025

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Question No. 1

Refer to the exhibit.

What is the result if ''Insecure'' selected as part of the HTTP Listener configuration?

AThe HTTP Listener will trust any certificate presented by the HTTP client

BThe HTTP Lister will accept any unauthenticated request

CThe HTTP listener will only accept HTTP requests

DMutual TLS authentication will be enabled between this HTTP Listener and an HTTP client

Show Answer

Correct Answer: C

Based on the exhibit below, if 'Insecure' is selected as part of the HTTP Listener configuration, the HTTP listener will only accept HTTP requests. This means that no TLS context will be configured for this listener and no encryption or authentication will be applied to incoming requests. The protocol attribute of this listener will be set to HTTP instead of HTTPS. Reference: https://docs.mulesoft.com/http-connector/1.6/http-listener-ref#insecure

Question No. 2

Refer to the exhibit.

What required changes can be made to give a partial successful response in case the United Airlines API returns with a timeout?

AAdd a Scatter-gather component inside a Try scope.
Set the payload to a default value 'Error' inside the error handler using the On Error Propagate scope.

BAdd Flow Reference components inside a Try scope.
Set the payload to a default value'' insider the error handler using the ON Error Continue scope

CAdd Flow Reference components inside a Try scope
Set the payload to a default value '' inside the error handler using the On Error Propagate scope

DAdd a Scatter-Gather component inside a Try scope.
Set the payload to a default value 'Error'' inside the error handler using the On Error Continue scope.

Show Answer

Correct Answer: D

To give a partial successful response in case the United Airlines API returns with a timeout, the developer should add a Scatter-Gather component inside a Try scope, and set the payload to a default value 'Error' inside the error handler using the On Error Continue scope. A Scatter-Gather component allows sending multiple requests concurrently and aggregating the responses into an array. A Try scope allows handling errors that occur within it using an error handler. An On Error Continue scope allows continuing the flow execution after handling an error. Therefore, by using these components, the developer can send requests to both APIs in parallel, handle any timeout errors from United Airlines API, and return a partial response with a default value for that API. Reference: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept https://docs.mulesoft.com/mule-runtime/4.3/try-scope-concept https://docs.mulesoft.com/mule-runtime/4.3/on-error-continue-concept

Question No. 3

Mule application A is deployed to CloudHub and is using Object Store v2. Mute application B is also deployed to CloudHub.

Which approach can Mule application B use to remove values from Mule application A'S Object Store?

AObject Store v2 REST API

BCloudHub Connector

CObject Store Connector

DCloudHub REST API

Show Answer

Correct Answer: A

To remove values from Mule application A's Object Store v2, Mule application B can use Object Store v2 REST API. This API allows performing operations on Object Store v2 resources using HTTP methods, such as GET, POST, PUT, and DELETE. Mule application B can use the DELETE method to remove values from Mule application A's Object Store v2 by specifying the object store ID and the key of the value to delete. Reference: https://docs.mulesoft.com/object-store/osv2-apis

Question No. 4

An API has been built to enable scheduling email provider. The front-end system does very little data entry validation, and problems have started to appear in the email that go to patients. A validate-customer'' flow is added validate the data.

What is he expected behavior of the 'validate-customer'' flow?

AIf only the email address Is invalid a VALIDATION.INVALID_EMAIL error is raised

BIf the email address is invalid, processing continues to see if the appointment data and customer name are also invalid

CIf the appointment date and customer name are invalid, a SCHEDULE:INVALID_APPOINTMENT_DATE error is raised

DIf all of the values are invalid the last validation error is raised:SCHEDULE:INVALID_CUSTOMER_NAME

Show Answer

Correct Answer: A

The validate-customer flow uses an until-successful scope to validate each field of the customer data. The until-successful scope executes its processors until they succeed or exhausts the maximum number of retries. If any processor fails, it raises an error and stops executing the remaining processors. Therefore, if only the email address is invalid, a VALIDATION.INVALID_EMAIL error is raised and the validation of appointment date and customer name is skipped. Reference: https://docs.mulesoft.com/mule-runtime/4.3/until-successful-scope

Question No. 5

Which statement is true when using XML SDK for creating custom message processors?

AProperties are fields defined by an end user of the XML SDK component and serve as a global configuration for the entire Mule project in which they are used

BAn XML SDK provides both inbound and outbound operations

COperations can be reused in recursive calls

DAll operations are public

Show Answer

Correct Answer: D

When using XML SDK for creating custom message processors, all operations are public by default and can be used by any Mule application that imports them. There is no way to make an operation private or protected in XML SDK. Reference: https://docs.mulesoft.com/mule-sdk/1.1/xml-sdk#operations