Study and Prepare with Salesforce Salesforce-MuleSoft-Developer-I study material, That's Easy to pass With PracticeMaterial!
Last Updated: Oct 15, 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 |
| Real Exam Qty: | 65 |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | 2 years |
| Available Languages: | Japanese, English |
| Passing Score: | 70% |
| Exam Format: | Multiple-choice, Multiple-select |
| Related Certifications: | Salesforce Certified MuleSoft Developer |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or Onsite at Kryterion Webassessor / Pearson VUE test centers. |
| Pre Condition: | No mandatory prerequisites, but hands-on experience with Mule 4 projects and Anypoint Platform is recommended. |
| Official Syllabus URL: | https://trailhead.salesforce.com/en/credentials/mulesoftdeveloper |
| Section | Weight | Objectives |
|---|---|---|
| Transforming Data with DataWeave | 25% | - Define and use DataWeave variables, functions, and modules - Write DataWeave scripts - Use DataWeave functions - Apply correct DataWeave syntax |
| Building and Managing APIs and Integrations | 30% | - Implement connectors - Deploy applications - Build API implementation interfaces - Use Anypoint Studio to build integrations - Access and modify Mule events - Handle errors |
| Security and Error Handling | 10% | - Implement error strategies - Secure APIs - Describe default error handling in Mule applications - Create custom error handlers |
| Deploying and Monitoring APIs | 15% | - Package Mule applications for deployment - Apply policies to secure APIs - Deploy applications to CloudHub - Monitor APIs |
| Designing and Consuming APIs | 20% | - Describe the lifecycle of the modern API - Understand RESTful API design principles - Identify when to use query parameters vs URI parameters - Use RAML to define API specifications |
The Salesforce-MuleSoft-Developer-I exam is Salesforce's gatekeeper for the Salesforce MuleSoft certification, a credential at the Intermediate level. Passing it says you can apply the Salesforce Certified MuleSoft Developer (Mule-Dev-201) objectives to real problems — a claim employers can act on. It also sits within a broader certification family covering Salesforce Certified MuleSoft Developer, so the work you put in here compounds. Easier said than earned — which is exactly why structured practice beats self-directed wandering.
The Salesforce Certified MuleSoft Developer (Mule-Dev-201) blueprint spans 5 domains, led by Security and Error Handling (10%), Deploying and Monitoring APIs (15%), and Building and Managing APIs and Integrations (30%). Read the weightings as marching orders: the domain with the largest share of the score gets the largest share of your week. The full topic list is in the exam topics section above — study to it, not around it.
The Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam packs 65 questions into 120 minutes. Convert that into a personal tempo before test day: minutes divided by questions is your per-item budget, and anything burning double its budget gets flagged and revisited at the end. Rehearse the tempo against a live timer — every PracticeMaterial engine session enforces one — until finishing with review time to spare feels normal.
Salesforce Certified MuleSoft Developer (Mule-Dev-201) requires 70% to pass, and each attempt costs $200 USD — including retakes, at full price. The financially sane strategy is arriving over-prepared: drill with PracticeMaterial practice questions until your timed scores clear the mark across several consecutive sessions, then register. Over-preparation is cheaper than re-registration.
Salesforce lists the Salesforce Certified MuleSoft Developer (Mule-Dev-201) question formats as: Multiple-choice, Multiple-select. Formats shape tactics — locate the actual question sentence inside long scenario stems before reading the rest, and re-verify every selection on multi-answer items. PracticeMaterial's 237 practice questions drill these formats until only the content feels new on exam day.
The Salesforce-MuleSoft-Developer-I exam is offered in English, Japanese. Choose the language where your comprehension stays fastest under the clock — slow reading is a hidden tax on every question. If you test in English, daily sessions with PracticeMaterial's English Salesforce-MuleSoft-Developer-I practice questions double as vocabulary training.
The certification earned through the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam stays valid for 2 years. Mark the expiry date the day you pass and look into the recertification path early — a planned renewal is an errand, an expired credential is a project. Salesforce sets these rules, so confirm the current ones on the official certification page as your window approaches.
All three versions carry the same 237 expert-written questions — you're choosing a study environment, not a content tier:
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Yes. PracticeMaterial's free Salesforce Certified MuleSoft Developer (Mule-Dev-201) PDF demo contains genuine sample questions with verified answers, so you can judge the quality yourself. Every purchase includes 365 days of free updates, and renewing after expiry costs 50% of the regular price from your member zone. Inspect first — confident material has nothing to hide.
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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).
To avoid hard-coding values, a flow uses some property placeholders and the corresponding values are stored in a configuration file.
Where does the configuration file's location need to be specified in the Mule application?
Correct Answer: B 🗳️
Explanation: Only visible for PracticeMaterial members. You can sign-up / login (it's free).
Refer to the exhibit.
The Mule application Is debugged in Any point Studio and stopsat the breakpoint What is the value of the payload displayed In the debugger at this breakpoint?
Correct Answer: B 🗳️
Refer to the exhibits.

In the Choice router, the When expression for the domesticShipping route is set to "#[payload = 'FR']". What is logged after the Choice router completes?
Correct Answer: A 🗳️
Refer to the exhibit.
In the execution of the Scatter_Gather, the flow1 route completes after 10 seconds and the flow2 route completes after 20 seconds.
Howmany seconds does it take for the Scatter_Gather to complete?
Correct Answer: B 🗳️
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