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Last Updated: Oct 11, 2026
No. of Questions: 237 Questions & Answers with Testing Engine
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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer |
| Exam Number: | Mule-Dev-201 |
| Exam Price: | $200 USD |
| Related Certifications: | Salesforce Platform Developer I MuleSoft Certified Developer II (Mule 4) MuleSoft Certified Integration Architect |
| Exam Format: | Multiple Select, Multiple Choice |
| Certificate Validity Period: | 3 years |
| Passing Score: | 70% |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 60 |
| Recommended Training: | Anypoint Platform Documentation MuleSoft Training on Trailhead |
| Exam Registration: | Salesforce MuleSoft Developer Certification |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | Recommended 6+ months experience with MuleSoft Anypoint Platform and integration development concepts |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/mulesoftdeveloper |
| Section | Objectives |
|---|---|
| Topic 1: API-led Connectivity | - API layering approach (System, Process, Experience APIs) - API reusability and governance concepts |
| Topic 2: Mule Application Development | - Connectors and modules usage - Flow design and message processing |
| Topic 3: Anypoint Platform Fundamentals | - Anypoint Studio usage and project structure - Anypoint Platform components overview |
| Topic 4: Error Handling and Debugging | - Error types and handling strategies - Debugging Mule applications |
| Topic 5: Security and Policies | - API security policies (OAuth, JWT, etc.) - Secure configuration and credentials management |
| Topic 6: Deployment and Operations | - Monitoring and logging - Deployment strategies (CloudHub, on-prem) |
| Topic 7: DataWeave Transformations | - DataWeave syntax and functions - Data transformation and mapping strategies |
Salesforce recommends these training resources for the Salesforce Certified MuleSoft Developer:
Courses give you the map; practice teaches you to drive. Finish any of the options above, then sharpen your readiness with 237 practice questions from PracticeMaterial before you schedule the real thing.
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The Mule-Dev-201 exam gives you 120 minutes to work through 60 questions. That pace punishes perfectionism — the candidates who struggle are usually the ones who burned ten minutes on one stubborn item. Train the skill directly: take timed, full-length mocks in the PracticeMaterial desktop or online test engine, practice skipping and returning, and walk in with a pacing strategy you have already tested.
Recommended 6+ months experience with MuleSoft Anypoint Platform and integration development concepts
Vendor requirements do change, so before you commit to an exam date, confirm the latest eligibility rules on the official Salesforce exam page.
The Salesforce Certified MuleSoft Developer syllabus is split into 7 domains, anchored by Error Handling and Debugging, Deployment and Operations, and Security and Policies. The full breakdown sits in the syllabus section above — treat it as the checklist that decides where your study hours go.
The passing mark for the Mule-Dev-201 exam is 70%, and the official registration fee is $200 USD. Remember that the fee covers a single attempt — fail, and the retake costs the same again with no loyalty discount. Protect the budget by self-testing first: drill 237 practice questions at PracticeMaterial under timed conditions until your scores clear the bar with margin, then register.
The Mule-Dev-201 exam, officially the Salesforce Certified MuleSoft Developer, is Salesforce's benchmark for proving you can work with its technologies in professional settings; passing it awards the MuleSoft Certified Developer (Mule 4) certification, which sits at the Professional level. Because the credential is issued by the vendor itself, it carries weight with employers that self-assessed skills simply cannot match. It also opens the road toward MuleSoft Certified Developer II (Mule 4), MuleSoft Certified Integration Architect, Salesforce Platform Developer I.
Yes — PracticeMaterial publishes a free PDF demo of the Mule-Dev-201 materials so you can check the question quality and verified answers before paying anything. Once you purchase, 365 days of free updates come standard, and if your product expires you can renew the update service at a 50% discount from your member zone.
Registration for the Salesforce Certified MuleSoft Developer runs through the official channels below:
Worth knowing before you book: the Mule-Dev-201 exam is delivered Online proctored or onsite testing center.
Refer
to the exhibits. A web client submits a request to http://localhost:8081/fliqhts?destination=SFO and the Web Service Consumer throws a WSC:BAD_REQUEST error.
What is the next stepto fix this error?
Correct Answer: A 🗳️
Explanation: Only visible for PracticeMaterial members. You can sign-up / login (it's free).
Refer to the exhibits.

A
web client submits a request to http://localhQst:8081. What is the structure of the payload at the end of the flow?




Correct Answer: A 🗳️
Explanation: Only visible for PracticeMaterial members. You can sign-up / login (it's free).
From which application , Organization Administrators can approve/revoke/delete SLA tier access requests
Correct Answer: C 🗳️
Explanation: Only visible for PracticeMaterial members. You can sign-up / login (it's free).
Refer to the exhibits.
How many private flows does APIKIt generate from RAML specification?
Correct Answer: B 🗳️
Explanation: Only visible for PracticeMaterial members. You can sign-up / login (it's free).
Refer to the exhibits. The Mule application does NOT define any global error handlers.
A web client sends a POST request to the Mule application with this input payload. The File Write operation throws a FILE: CONNECTIVITY error.
What response message is returned to the web client?
Correct Answer: C 🗳️
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