Salesforce Certified MuleSoft Developer: Mule-Dev-201 Exam
"Salesforce Certified MuleSoft Developer", also known as Mule-Dev-201 exam, is a Salesforce Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 237 Q&As to your Mule-Dev-201 Exam preparation. In the Mule-Dev-201 exam resources, you will cover every field and category in Salesforce MuleSoft Certification helping to ready you for your successful Salesforce Certification.
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- Exam Code: Mule-Dev-201
- Exam Name: Salesforce Certified MuleSoft Developer
- Certification Provider: Salesforce
- Corresponding Certification: Salesforce MuleSoft
- Updated: Oct 13, 2026
- No. of Questions: 237 Questions & Answers with Testing Engine
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Salesforce Mule-Dev-201 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| API-led Connectivity | - API layering approach (System, Process, Experience APIs) - API reusability and governance concepts |
| Error Handling and Debugging | - Error types and handling strategies - Debugging Mule applications |
| Security and Policies | - Secure configuration and credentials management - API security policies (OAuth, JWT, etc.) |
| Deployment and Operations | - Monitoring and logging - Deployment strategies (CloudHub, on-prem) |
| DataWeave Transformations | - Data transformation and mapping strategies - DataWeave syntax and functions |
| Mule Application Development | - Connectors and modules usage - Flow design and message processing |
| Anypoint Platform Fundamentals | - Anypoint Studio usage and project structure - Anypoint Platform components overview |
Salesforce Certified MuleSoft Developer Sample Questions:
What execution model is used by For Each and Batch Job scopes?
- A. For Each is single-threaded and Batch Job is multi-threaded
- B. Both aremulti-threaded
- C. Both are single-threaded
- D. Batch Job is single-threaded and For Each Is multi-threaded
Correct Answer: A 🗳️
Refer to the exhibits.

A web client sends a POST request with the payload {"oid": "1000", "itemid": "AC200", "qty": "4" } to the Mule application. The File Write operation throws a FILE:CONNECTIVITY error.
Whatresponse message is returned to the web client?
- A. "File written"
- B. "OTHER ERROR"
- C. "ORDER:NOT_CREATED"
- D. ''FILE:CONNECnvnY'
Correct Answer: C 🗳️
An On Table Row Database listener retrieves data from a table that contains record_id, an increasing numerical column.
How should the listener be configured so it retrieves new rows at most one time?
- A. Set the target to store the last retrievedrecord_id value
- B. Set the ObjectStore to store the last retrieved record_id value
- C. Set the target to the record_id column
- D. Set the watermark column to the record id column
Correct Answer: D 🗳️
Refer to the exhibit. The Batch Job processes, filters and aggregates records, What is the expected output from the Logger component?

- A. [20. 40] [60]
- B. [10. 20] [30, 40] [50, 60]
- C. [10. 20, 30. 40, 50, 60]
- D. [20, 40, 60]
Correct Answer: A 🗳️
Explanation: Only visible for PrepPDF members. You can sign-up / login (it's free).
Refer to the exhibits.

The Batch Job scope processes the array of strings
After the Batch Job scope completes processing the input payload what information is logged by the Logger component?
- A.

- B.

- C.

- D.

Correct Answer: A 🗳️
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