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Salesforce Salesforce-MuleSoft-Developer-I Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer I Exam |
| Exam Number: | Salesforce-MuleSoft-Developer-I / Mule-Dev-201 |
| Certificate Validity Period: | Valid indefinitely; annual maintenance required via Trailhead |
| Related Certifications: | Salesforce Certified MuleSoft Developer II |
| Exam Price: | USD 200 |
| Exam Format: | Scenario-based, Multiple-choice |
| Passing Score: | 70% |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 60–65 |
| Available Languages: | English |
| Recommended Training: | Trailhead: MuleSoft Developer Learning Path MuleSoft Official Training |
| Exam Registration: | Webassessor / Kryterion Scheduling Salesforce Certification Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | No formal prerequisites; recommended: 6+ months experience building basic integrations with Mule 4 and Anypoint Platform |
| Official Syllabus URL: | https://help.salesforce.com/s/articleView?id=005298959&language=en_US |
Salesforce Salesforce-MuleSoft-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Testing, Debugging and Deployment | 13% | - Debugging and logging - Unit testing with MUnit - Deployment strategies and management |
| Building API Implementations | 7% | - Mapping requests and responses - Implementing APIs from specifications - Using APIkit |
| Designing APIs | 8% | - API specification best practices - RESTful API design and RAML - Defining resources, methods, and parameters |
| Creating Application Networks | 7% | - Anypoint Platform components and use cases - Application network concepts and benefits - API-led connectivity principles |
| Connectivity and Connectors | 15% | - Using core and popular connectors - Consuming and exposing services - Authentication and security |
| Data Transformation with DataWeave | 15% | - Transforming between formats (JSON, XML, CSV, Java) - DataWeave syntax and expressions - Filtering, grouping, and aggregating data |
| Accessing and Modifying Mule Events | 10% | - Transforming and enriching payloads - Using core processors to modify events - Event structure and variables |
| Error Handling and Transactions | 8% | - Rollback and transaction management - Error types and handling strategies |
| Structuring Mule Applications | 10% | - Modular design and reusability - Flows, subflows, and error handling - Configuration and properties files |
Salesforce-MuleSoft-Developer-I Exam FAQs — Read Before You Register
No formal prerequisites; recommended: 6+ months experience building basic integrations with Mule 4 and Anypoint Platform Eligibility details like these are worth double-checking before you register — vendors revise them periodically, and the official exam page (official Salesforce-MuleSoft-Developer-I exam page) always has the current version.
The official Salesforce Certified MuleSoft Developer (Mule-Dev-201) outline has 9 domains — the biggest include Designing APIs (8%), Structuring Mule Applications (10%), Testing, Debugging and Deployment (13%). Those weightings are your study compass: the largest domains hide the most points. See the full outline above for every subtopic.
You can, and you should. The free PDF demo is there so you can judge the content yourself before spending anything. If you're unsure whether the PDF, desktop engine, or online version suits your study habits, contact our 24/7 service team — they'll advise you. After purchase, 365 days of free updates are included, renewable at 50% off if the period ever expires.
Sign up through the vendor's official channels:
The exam is offered Online proctored or onsite testing center, so decide which arrangement suits you before picking a date.
Delivery first: the moment you pay, we send the download link and access details to your email within a minute — even on holidays — and the files install on unlimited computers; contact support if 2 hours pass with nothing. For refunds, the terms are explicit: take the corresponding Salesforce-MuleSoft-Developer-I exam within 60 days of purchase, and if you fail, submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a full refund, processed within 7 days. Excluded: exams taken within 3 days of purchase, name mismatches between candidate and payer, and free or expired products. The alternative to a refund: two equal-value exam products free, with your original updates intact.
The pass mark is 70%, and the official fee is USD 200. That fee resets to full price on every retake, so the real money-saver is preparation — run the 237 practice questions from BraindumpsIT until passing becomes routine, then book your seat.
The vendor recommends:
Classroom hours alone won't tell you if you're ready — the Salesforce-MuleSoft-Developer-I practice questions from BraindumpsIT will. Use them after the coursework to convert knowledge into exam performance.
The Salesforce Certified MuleSoft Developer (Mule-Dev-201) is Salesforce's official exam for the Salesforce Certified MuleSoft Developer I certification, a Developer-level credential. Candidates take it to validate real skill — and employers read it exactly that way. It also connects to related credentials such as Salesforce Certified MuleSoft Developer II.
The exam gives you 120 minutes for 60–65 questions. The candidates who struggle aren't usually short on knowledge — they're short on pacing. Fix that before test day: set a time budget per question, practice moving past hard items without stalling, and rehearse full timed sessions in the BraindumpsIT engine until the clock stops being a factor.
Salesforce Certified MuleSoft Developer (Mule-Dev-201) Sample Questions:
Following Mulesoft's recommended API-ledconnectivity approach , an organization has created an application network. The organization now needs to create API's to transform , orchestrate and aggregate the data provided by the other API's in the application network. This API should be flexible enought ot handle the data from additional API's in future.
According to Mulesoft's recommended API-led connectivity approach , what is the best layer for this new API?
- A. Experience layer
- B. System layer
- C. Process layer
- D. Data layer
Correct Answer: C 🗳️
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A function named newProdCode needs to be defined that accepts two input parameters, an integer value for itemID and a string value for productCategory, and returns a new product code.
What is the correct DataWeave code to define the newProdCode function?
- A. var newProdCode(itemID: Number, productCategory: String) ->"PC-" ++ productCategory ++ (itemID as String)
- B. fun newProdCode{itemID: Number, productCategory: String) -> "PC-" ++ productCategory ++ (itemID as String)
- C. fun newProdCode(itemID: Number, productCategory: String) = "PC-" ++ productCategory ++ (itemID as String)
- D. function newProdCode(itemID: Number, productCategory: String) ="PC-" ++ productCategory ++ (itemID as String)
Correct Answer: C 🗳️
Refer to the exhibits.
The Validation component in the private flow throws an error. What response message is returnedto a client request to the main flow's HTTP Listener?
- A. Error - main flow
- B. Error - private flow
- C. Success - main flow
- D. Validation Error
Correct Answer: A 🗳️
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Refer to the exhibit.
The main flow contains a Flow Reference for the child flow.
What
values are accessible in the child flow after a web client submits a request to http://localhost:8Q81/order?
color=red?
- A. payload
- B. payloadcolor query param
- C. payloadquantity var
- D. payloadquantity var color query param
Correct Answer: D 🗳️
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A web client sends one GET request to the test flow's HTTP Listener, which causes the test flow to call the updateTemp flow After the test flow returns a response, the web client then sends a different GET request to trie getTemp flow's HTTP Listener The test flow is not called a second time.
What response is returned from the request to the getTemp flow's HTTP Listener?
- A.
- B.
- C.
- D.
Correct Answer: B 🗳️
