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

QUESTION NO: 1
A Flight Management System publishes gate change notification events whenever a flight's arrival gate changes. Other systems, including Baggage Handler System, Inflight Catering System, and Passenger Notifications System, must each asynchronously receive the same gate change notification to process the event accordingly.
Which configuration is required in Anypoint MQ to achieve this publish/subscribe model?

A. Publish the gate change notification to an Anypoint MQ exchange. Create different Anypoint MQ queues meant for each of the other subscribing systems. Bind the exchange with each of the queues.

B. Publish the gate change notification to an Anypoint MQ queue. Have each client subscribe directly to the queue.

C. Publish the gate change notification to an Anypoint MQ queue. Create different Anypoint MQ exchanges meant for each of the other subscribing systems. Bind the queue with each of the exchanges.

D. Publish the gate change notification to an Anypoint MQ exchange. Have each client subscribe directly to the exchange.

Discussion 0

Correct Answer: A Vote an answer

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QUESTION NO: 2
Refer to the exhibits.
A Mule application's 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?
Exhibits - Options A and B:

Exhibits - Options C and D:

A. Configuration shown in Exhibit D

B. Configuration shown in Exhibit C

C. Configuration shown in Exhibit B

D. Configuration shown in Exhibit A

Discussion 0

Correct Answer: B Vote an answer

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QUESTION NO: 3
Two APIs are deployed to a two-node on-prem cluster. Due to a requirements change, the two APIs must communicate to exchange data asynchronously.
How can this be solved?

A. If the two APIs use the same domain, VM Connector can be leveraged

B. It is not possible to use the VM Connector since the APIs are running in a cluster mode and each node has its own set of VM Queues

C. The VM Connector is used for inter-application communication, so it is not possible to use the VM Connector

D. Instead of using the VM Connector use directly

Discussion 0

Correct Answer: A Vote an answer

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QUESTION NO: 4
A Mule application includes a subflow containing a Scatter-Gather scope. Within each leg of the Scatter- Gather, an HTTP connector calls a PUT endpoint to modify records in different upstream systems. The subflow is called from inside an Until Successful scope to retry if a transient exception is raised.
A technical spike is being performed to increase reliability of the Mule application.
Which steps should be performed within the Mule flow above to ensure idempotent behavior?

A. Ensure an error-handling flow performs corrective actions to roll back all changes if any leg of the Scatter-Gather fails

B. Change the PUT requests inside the Scatter-Gather to POST requests

C. None; the flow already exhibits idempotent behavior

D. Remove the PUT requests from the Scatter-Gather and perform them sequentially

Discussion 0

Correct Answer: C Vote an answer

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QUESTION NO: 5
In a Mule project, Flow-1 contains a flow-ref to Flow-2. 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 "Before Test Case" to collect data from Flow-1 test cases before running Flow-2 test cases

B. Use "After Test Case" to produce the data needed from Flow-1 test cases to pass to Flow-2 test cases

C. Chain together the test suites and test cases for Flow-1 and Flow-2

D. Use "Set Event" to pass the input data that is needed, and keep the test cases for Flow-1 and Flow-2 independent

Discussion 0

Correct Answer: D Vote an answer

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QUESTION NO: 6
A developer is working on a project that requires encrypting all data before sending it to a backend application. To accomplish this, the developer will use PGP encryption in the Mule 4 Cryptography module.
What is required to encrypt the data before sending it to the backend application?

A. The application needs both the private and public keys to encrypt the data

B. The application needs the private key from the backend service to encrypt the data

C. The application needs to configure HTTPS TLS context information to encrypt the data

D. The application needs the public key from the backend service to encrypt the data

Discussion 0

Correct Answer: D Vote an answer

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QUESTION NO: 7
A Mule implementation uses an HTTP Request within an Until Successful scope to connect to an API.
How should a permanent error response like HTTP:UNAUTHORIZED be handled inside Until Successful to reduce latency?

A. In Until Successful configuration, set the retry count to 1 for error type HTTP:UNAUTHORIZED.

B. Continue retrying until a MULE:RETRY_EXHAUSTED error is raised or the API responds back with a successful response.

C. Put the HTTP Request inside a try scope in Until Successful. In the error handler, use On Error Continue to catch permanent errors like HTTP:UNAUTHORIZED.

D. Put the HTTP Request inside a try scope in Until Successful. In the error handler, use On Error Propagate to catch permanent errors like HTTP:UNAUTHORIZED.

Discussion 0

Correct Answer: C Vote an answer

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