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Updated: Jul 18, 2026
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Salesforce Mule-Dev-301 Exam Overview:
| Certification Vendor: | Salesforce |
| Exam Name: | Salesforce Certified MuleSoft Developer II (Mule-Dev-301) |
| Exam Number: | Mule-Dev-301 |
| Exam Duration: | 120 minutes |
| Passing Score: | 70% |
| Real Exam Qty: | Approximately 60 questions |
| Related Certifications: | Salesforce Certified MuleSoft Developer I |
| Certificate Validity Period: | 1 year (maintenance required annually via Salesforce certification maintenance program) |
| Available Languages: | English |
| Exam Price: | $200 USD |
| Exam Format: | Multiple Choice, Multiple Select, Scenario-based Questions |
| Recommended Training: | MuleSoft Official Training MuleSoft Training on Trailhead |
| Exam Registration: | Salesforce Certification Portal Pearson VUE Salesforce Exams |
| Sample Questions: | Salesforce Mule-Dev-301 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 |
Salesforce Mule-Dev-301 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: DataWeave and Data Transformation | - Mapping, filtering, and payload manipulation - DataWeave scripting and transformations |
| Topic 2: Anypoint Platform Development | - Mule application development - Anypoint Studio usage and project structure |
| Topic 3: Security and Governance | - Authentication and authorization mechanisms - API policies and security enforcement |
| Topic 4: Error Handling and Troubleshooting | - Exception handling strategies in Mule applications - Debugging and logging techniques |
| Topic 5: Integration and API-led Connectivity | - System, Process, and Experience APIs design - API-led connectivity principles |
| Topic 6: Deployment and Testing | - Unit testing and integration testing approaches - Deployment strategies across environments |
Salesforce Certified MuleSoft Developer II Sample Questions:
1. 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?
A) Add 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.
B) Add 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.
C) Add Flow Reference components inside a Try scope
Set the payload to a default value '' inside the error handler using the On Error Propagate scope
D) Add Flow Reference components inside a Try scope.
Set the payload to a default value'' insider the error handler using the ON Error Continue scope
2. A Mule application defines as SSL/TLS keystore properly 'tis,keystore.keyPassword'' as secure.
How can this property be referenced to access its value within the application?
A) ${secure::tiskeystore,keyPassowrd}
B) p{secure::tiskeystore,keyPassowrd}
C) ${secure::tiskeystore,keyPassowrd}
D) #{secure::tiskeystore,keyPassowrd}
3. Which type of cache invalidation does the Cache scope support without having to write any additional code?
A) Time to live
B) Write-through invalidation
C) Notification-based invalidation
D) White-behind invalidation
4. 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 execute successfully with status code 200m and a response will display the message '' Age in years which must equal to or greater than zero.''
B) The Mule flow will execute successfully with status code 204
C) The Mule flow will execute successfully with status code 200, and the response will be the JSON sent in request
D) The Mule flow will throw the exception 'JSON:SCHEMA_NOT_HONOURED
5. A Mule application contain two policies Policy A and Policy A has order1, and Policy B has order 2. Policy A Policy B, and a flow are defined by he configuration below.
When a HTTP request arrives at the Mule application's endpoint, what will be the execution order?
A) F1, B1, A1, A2, B2
B) A1, B1, F1, B2, A2
C) B1, A1, F1, A2, B2
D) F1, A1, B1, B2, A2
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: B |
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