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Exam Code: Salesforce-MuleSoft-Developer-I
Exam Name: Salesforce Certified MuleSoft Developer (Mule-Dev-201)
Updated: Oct 11, 2026
Q & A: 237 Questions and Answers
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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer I Exam |
| Exam Number: | Mule-Dev-201 |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Duration: | 105 minutes |
| Exam Price: | $200 USD |
| Passing Score: | 70% |
| Related Certifications: | Salesforce Certified Platform Developer I Salesforce Certified MuleSoft Associate Salesforce Certified Integration Architect |
| Real Exam Qty: | 60 |
| Recommended Training: | MuleSoft Developer Training on Trailhead |
| Exam Registration: | Salesforce Certification Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | Basic understanding of API development and MuleSoft Anypoint Platform is recommended. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/mulesoft-developer-i |
| Section | Objectives |
|---|---|
| Topic 1: DataWeave and Transformation | - Data transformation fundamentals
|
| Topic 2: Connectivity and Integration | - System integration patterns
|
| Topic 3: Deployment and Operations | - Deploying Mule applications
|
| Topic 4: Anypoint Platform Fundamentals | - Platform components and architecture
|
| Topic 5: API Design and Development | - Designing APIs using RAML and REST principles
|
Salesforce Certified MuleSoft Developer (Mule-Dev-201) is an official Salesforce certification exam, registered under the code Salesforce-MuleSoft-Developer-I. Passing it awards the Salesforce Certified MuleSoft Developer I certification, a credential at the Professional level. It also connects to Salesforce Certified MuleSoft Associate, Salesforce Certified Integration Architect, Salesforce Certified Platform Developer I. The exam is demanding by design, and that difficulty is precisely what makes the credential meaningful for career development.
The Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam presents 60 questions within 105 minutes. That is a brisk pace, and the candidates who handle it best are the ones who rehearsed it. Use the FreePdfDump engine for full timed simulations, practice flagging and returning, and arrive on exam day with a pacing strategy already proven.
Passing Salesforce Certified MuleSoft Developer (Mule-Dev-201) takes 70%, and official registration costs $200 USD. Retakes bill the full $200 USD again, so preparation is the least expensive insurance available. Let your FreePdfDump practice scores guide the timing: book when you clear the requirement consistently, not occasionally.
Basic understanding of API development and MuleSoft Anypoint Platform is recommended.
Policies get revised, so confirm the current requirements before you register on the official exam page.
Salesforce Certified MuleSoft Developer (Mule-Dev-201) registration is handled through the official channels below.
For scheduling purposes: the exam is delivered Online proctored or onsite testing center.
Yes, Salesforce recommends the following training for Salesforce Certified MuleSoft Developer (Mule-Dev-201) candidates.
Complement any training with the 237 practice questions in the FreePdfDump Salesforce-MuleSoft-Developer-I package, because repeated application is what turns course knowledge into a passing score.
Yes. FreePdfDump offers a free demo of the Salesforce Certified MuleSoft Developer (Mule-Dev-201) questions, so you can verify the quality personally before purchasing. Your purchase then includes a one-year service warranty: updates are free for 365 days, and after expiry you can extend the update service at a 50% discount.
Your money is protected by a 100% money-back guarantee with defined conditions. Take the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam within 60 days of purchase; if you fail, you may claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. You may instead wait for the update version or change to other exam material: exchange for two other exam products of equal value, free, with your original purchase keeping its update service.
Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service, online 7/24 even on official holidays. Installation is unlimited across your computers.
Salesforce Certified MuleSoft Developer (Mule-Dev-201) is organized into 5 official domains. The most heavily weighted are API Design and Development, Anypoint Platform Fundamentals, and DataWeave and Transformation. The full breakdown appears above on this page; study the weightings and your preparation priorities set themselves.
Refer to the exhibit.
This RAML specification includes a resource and method to retrieve accounts by account_type and industry.
What is the correct URI to get all retail finance accounts?
Correct Answer: D 🗳️
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What is the correct syntax for a Logger component to output a message with the contents of a 3SON Object payload?
Correct Answer: C 🗳️
Explanation: Only visible for FreePdfDump members. You can sign-up / login (it's free).
What is the object type returned by the File List operation?
Correct Answer: B 🗳️
Explanation: Only visible for FreePdfDump members. You can sign-up / login (it's free).
What is the trait name you would usefor specifying client credentials in RAML?
Correct Answer: D 🗳️
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A Utlility.dwl is located in a Mule project at src/main/resources/modules. The Utility.dwl file defines a function named encryptString that encrypts a String What is thecorrect DataWeave to call the encryptString function in a Transform Message component?
Correct Answer: B 🗳️
Explanation: Only visible for FreePdfDump members. You can sign-up / login (it's free).
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