- Exam Code: Mule-Dev-301
- Exam Name: Salesforce Certified MuleSoft Developer II
- Updated: Sep 09, 2026
- Q & A: 62 Questions and Answers
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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer II (Mule-Dev-301) |
| Exam Number: | Mule-Dev-301 |
| Related Certifications: | Salesforce Certified MuleSoft Developer I |
| Certificate Validity Period: | 1 year (maintenance required annually via Salesforce certification maintenance program) |
| Exam Format: | Scenario-based Questions, Multiple Choice, Multiple Select |
| Exam Price: | $200 USD |
| Available Languages: | English |
| Passing Score: | 70% |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | Approximately 60 questions |
| Recommended Training: | MuleSoft Training on Trailhead MuleSoft Official Training |
| Exam Registration: | Salesforce Certification Portal Pearson VUE Salesforce Exams |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored exam or onsite testing center (Pearson VUE) |
| Pre Condition: | Recommended: MuleSoft Developer I certification or equivalent MuleSoft development experience |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/mulesoftdeveloperii |
| Section | Objectives |
|---|---|
| Topic 1: Anypoint Platform Development | - Mule application development - Anypoint Studio usage and project structure |
| Topic 2: Integration and API-led Connectivity | - API-led connectivity principles - System, Process, and Experience APIs design |
| Topic 3: Deployment and Testing | - Unit testing and integration testing approaches - Deployment strategies across environments |
| Topic 4: Error Handling and Troubleshooting | - Debugging and logging techniques - Exception handling strategies in Mule applications |
| Topic 5: DataWeave and Data Transformation | - Mapping, filtering, and payload manipulation - DataWeave scripting and transformations |
| Topic 6: Security and Governance | - Authentication and authorization mechanisms - API policies and security enforcement |
The Salesforce Certified MuleSoft Developer II is the official Salesforce exam that leads to the Salesforce Certified MuleSoft Developer II certification at the Professional level. Passing it validates your skills against Salesforce standards and proves your qualification to current and future employers. The credential is also connected with related certifications such as Salesforce Certified MuleSoft Developer I, so it can serve as a solid step in a broader certification path.
The Mule-Dev-301 exam has Approximately 60 questions questions in total and must be completed within 120 minutes. That leaves only a narrow time budget per item, so train yourself to flag a difficult question, move on, and circle back later instead of getting stuck. A week or two before your test date, run at least one full timed mock exam in the Actual4Dumps desktop or online test engine under the same 120 minutes limit, and repeat until you can finish with a few minutes left for review.
The passing score for the Mule-Dev-301 exam is 70%, and the official registration fee is $200 USD. Keep in mind that a failed attempt is not discounted — retaking the exam means paying the full fee again — so it is wise not to book your seat until your practice scores sit comfortably above the passing mark. Working through the 62 questions at Actual4Dumps in timed mode is a reliable way to judge when you are truly ready.
Salesforce sets the following requirement for the Mule-Dev-301 exam: Recommended: MuleSoft Developer I certification or equivalent MuleSoft development experience. Eligibility rules can change from time to time, so always confirm the current prerequisites on the official exam page at https://trailhead.salesforce.com/credentials/mulesoftdeveloperii before you register.
You can register for the Salesforce Certified MuleSoft Developer II through the following official channels:
The Mule-Dev-301 exam is delivered as Online proctored exam or onsite testing center (Pearson VUE), so review the technical and check-in requirements for that format when you schedule your appointment.
Salesforce recommends the following official training options for the Salesforce Certified MuleSoft Developer II:
Official courses build the theory, and pairing them with the 62 practice questions from Actual4Dumps turns that knowledge into exam-ready answers.
Yes. Actual4Dumps offers a free PDF demo for the Salesforce Certified MuleSoft Developer II, so you can review real sample questions and judge the quality before paying anything. After your purchase, you receive 365 days of free updates — whenever the question pool changes, you get the latest version at no cost. Once that period expires, you can extend your update service at a 50% discount from your member zone.
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The Salesforce Certified MuleSoft Developer II is organized into 6 domains. Among the first ones are DataWeave and Data Transformation, Deployment and Testing, Error Handling and Troubleshooting, and the remaining domains cover the rest of the official objectives. For the complete topic breakdown with every subtopic, see the full Mule-Dev-301 exam outline above on this page.
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?
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A new Mule project has been created in Anypoint Studio with the default settings.
Which file inside the Mule project must be modified before using Maven to successfully deploy the application?
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A custom policy needs to be developed to intercept all cutbound HTTP requests made by Mule applications.
Which XML element must be used to intercept outbound HTTP requests?
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When registering a client application with an existing API instance or API Group instance, what is required to manually approve or reject request access?
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A Mule application includes a subflow containing a Scatter.Gather scope. Within each log of the Scatter.Gatter. an HTTP connector calls a PUT endpoint to modify records in different upstream system. The subflow is called inside an Unit successful scope to retry if a transitory 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 the ensure idempontent behavior?
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