Salesforce Certified MuleSoft Developer II - Mule-Dev-301 Exam Questions [2026]

QUESTION NO: 1
Refer to the exhibit.

Based on the code snippet, schema,json file, and payload below, what is the outcome of the given code snippet when a request is sent with the payload?

A. The Mule flow will throw the exception 'JSON:SCHEMA_NOT_HONOURED B. The Mule flow will execute successfully with status code 204 C. The Mule flow will execute successfully with status code 200m and a response will display the message '' Age in years which must equal to or greater than zero.'' D. The Mule flow will execute successfully with status code 200, and the response will be the JSON sent in request

Correct Answer: A

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QUESTION NO: 2
Which plugin or dependency is required to unit test modules created with XML SDK?

A. MUnit Extensions Maven plugin B. MUnit Maven plugin C. XMLUnit D. Junit

Correct Answer: A

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QUESTION NO: 3
Refer to the exhibit.

A Mule application pom.xml configures the Maven Resources plugin to exclude parsing binary files in the project's src/main/resources/certs directory.
Which configuration of this plugin achieves a successful build?

A.

B.

C.

D.

Correct Answer: D

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QUESTION NO: 4
Which type of cache invalidation does the Cache scope support without having to write any additional code?

A. Notification-based invalidation B. White-behind invalidation C. Time to live D. Write-through invalidation

Correct Answer: C

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QUESTION NO: 5
In a Mule project, Flow-1 contains a flow-ref to Flow-2 depends on data from Flow-1 to execute successfully.
Which action ensures the test suites and test cases written for Flow-1 and Flow-2 will execute successfully?

A. Use 'After Test Case' to produce the data needed from Flow-1 test cases to pass to Flow-2 test cases B. Use ''Set Event to pass the input that is needed, and keep the test cases for Flow-1 and Flow-2 independent C. Use ''Before Test Case'' To collect data from Flow-1 test cases before running Flow-2 test cases D. Chain together the test suites and test cases for Flow-1 and Flow-2

Correct Answer: B

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QUESTION NO: 6
A mule application exposes and API for creating payments. An Operations team wants to ensure that the Payment API is up and running at all times in production.
Which approach should be used to test that the payment API is working in production?

A. Create a health check endpoint that reuses the same port number and HTTP Listener configuration as the API itself B. Create a health check endpoint that listens on a separate port and uses a separate HTTP Listener configuration from the API C. Monitor the Payment API directly sending real customer payment data D. Configure the application to send health data to an external system

Correct Answer: B

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QUESTION NO: 7
Refer to the exhibit.

A developer generates the base scaffolding for an API in Anypoint Studio.
Which HTTP status code is returned while testing using the API Kit console if no values are entered in client-secret?

A. HTTP status code:500 B. HTTP status code:400 C. HTTP status code:403 D. HTTP status code:200

Correct Answer: C

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