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Salesforce Mule-Dev-201 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| DataWeave Transformation | 14% | - Write DataWeave transformations - Use DataWeave functions and operators - Define and use DataWeave variables and functions - Transform complex data structures |
| Structuring Mule Applications | 10% | - Organize applications using modular design patterns - Use properties and configuration values - Reference external configuration files |
| Designing Mule Applications | 14% | - Implement an API using APIkit - Explain the benefits of API-led connectivity - Describe the role of API Manager - Define API specs using RAML |
| MuleSoft Fundamentals | 10% | - Explain what Anypoint Platform is and its components - Describe what Mule applications do and how they are built - Describe the Mule application structure and flow types |
| Deploying and Managing Applications | 10% | - Describe monitoring and management capabilities - Deploy applications to CloudHub - Configure deployment options - Explain application deployment models |
| Building Mule Applications | 32% | - Use transformers and DataWeave - Implement error handling - Configure properties and parameters - Use connectors for common operations (Database, HTTP, Salesforce) - Use the logger component - Create flows using Anypoint Studio |
| Testing and Debugging | 10% | - Write unit tests for Mule applications - Debug Mule applications using Studio - Use mock attributes in tests |
Your Salesforce Certified MuleSoft Developer Questions, Answered Clearly
The Mule-Dev-201 exam — officially the Salesforce Certified MuleSoft Developer — is Salesforce's certification exam for professionals who work with its technologies, and passing it awards the Salesforce MuleSoft certification at the Associate level. Vendor-issued credentials like this one remain among the clearest signals of skill a resume can carry. It also connects naturally to Salesforce Certified MuleSoft Architect, Salesforce Certified MuleSoft Integration Architect as a next step.
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Passing the Mule-Dev-201 exam requires 63%, and the official registration fee is $200 USD. That fee buys a single attempt — a retake is charged at full price again. The smart sequence is to rehearse first: cycle through 237 practice questions at Prep4SureReview under timed conditions until your scores clear the passing mark with margin, then book.
The Salesforce Certified MuleSoft Developer blueprint comprises 7 domains, led by Deploying and Managing Applications (10%), Structuring Mule Applications (10%), and MuleSoft Fundamentals (10%). The complete weighted syllabus is in the section above — accurate preparation starts with knowing exactly what the exam weights most.
Recommended: 6+ months experience with MuleSoft and Anypoint Platform; completion of MuleSoft Developer course
Vendor criteria evolve, so before you schedule anything, verify the latest requirements on the official Salesforce exam page.
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Expect 60 questions inside 90 minutes on the Mule-Dev-201 exam. The clock is the quiet examiner: knowing the content is not enough if pacing fails you. Rehearse with the Prep4SureReview Windows software or online engine in timed mode — the smooth, stable interface means nothing technical distracts you while you build your rhythm.
Salesforce Certified MuleSoft Developer Sample Questions:
Refer to the exhibit.
The Database Select operation returns five rows from a database. What is logged by the Logger component?
- A. "CaselnsensitrveHashMap"
- B. "LinkedHashMap"
- C. "Object"
- D. "Array"
Correct Answer: D 🗳️
Refer to the exhibits.

Themy-app xml file contains an Error Handier scope named "global-error-handler" The Error Handler scope needs to be set to be the default error handler for every flow in the Mule application Where and how should the value "global-error-handler" be added in the Mule project so that the Error Handler scope is the default error handler of the Mule application?
- A. In the pom.xml file, as the value of a global element
- B. In the Validation folder as the value of a global element in the error-handling yamlfile
- C. In the mule-artifact json file, as the value of a key-value pair
- D. In the my-app.xml file, as an attribute of a configuration element
Correct Answer: D 🗳️
Refer to the exhibits.
A web client submits a request to below flow. What is the output at the end of the flow?
Diagram Description automatically generated
Graphical user interface, text, application, email Description automatically generated
Graphical user interface, text, application, email Description automatically generated
- A. String
- B. Object
- C. XML
- D. Java
Correct Answer: A 🗳️
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In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do?
- A. To save the most recent records retrieved from a database to enable database caching
- B. To enable duplicate processing of records in a database
- C. To delete the most recent records retrieved from a database to enable database caching
- D. To avoid duplicate processing of records in a database.
Correct Answer: D 🗳️
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Refer to the exhibit.
What is the correct DataWeave expression for the Set Payload transformer to call the createCustomerObject flow with values for the first and last names of a new customer?
- A. createCustomerObject( { first: "Alice", last: "Green" > )
- B. createCustomerObject( "Alice", "Green")
- C. lookupf "createCustomerObject", { first: "Alice", last: "Green" > )
- D. lookupC createCustomerObJect( "Alice", "Green- ) )
Correct Answer: C 🗳️
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