Every hour you spend preparing for the Salesforce-MuleSoft-Developer-I exam should move you forward. VCE4Plus makes that easier with 237 practice questions for the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam, two practice modes in the desktop engine, performance history in the online engine, and a renewal discount that keeps your updates affordable after the first year.
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 |
| Exam Price: | USD 200 |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Related Certifications: | Salesforce Certified MuleSoft Developer II |
| Passing Score: | 70% |
| Real Exam Qty: | 60–65 |
| Exam Format: | Scenario-based, Multiple-choice |
| Recommended Training: | Trailhead: MuleSoft Developer Learning Path MuleSoft Official Training |
| Exam Registration: | Webassessor / Kryterion Scheduling Salesforce Certification Registration |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|---|
| Building API Implementations | 7% | - Using APIkit - Mapping requests and responses - Implementing APIs from specifications |
| Testing, Debugging and Deployment | 13% | - Deployment strategies and management - Unit testing with MUnit - Debugging and logging |
| Data Transformation with DataWeave | 15% | - DataWeave syntax and expressions - Filtering, grouping, and aggregating data - Transforming between formats (JSON, XML, CSV, Java) |
| Accessing and Modifying Mule Events | 10% | - Event structure and variables - Using core processors to modify events - Transforming and enriching payloads |
| Creating Application Networks | 7% | - API-led connectivity principles - Anypoint Platform components and use cases - Application network concepts and benefits |
| Connectivity and Connectors | 15% | - Authentication and security - Using core and popular connectors - Consuming and exposing services |
| Structuring Mule Applications | 10% | - Flows, subflows, and error handling - Modular design and reusability - Configuration and properties files |
| Error Handling and Transactions | 8% | - Rollback and transaction management - Error types and handling strategies |
| Designing APIs | 8% | - RESTful API design and RAML - API specification best practices - Defining resources, methods, and parameters |
Everything Candidates Ask About the Salesforce Certified MuleSoft Developer (Mule-Dev-201) Exam
Salesforce points candidates toward these official training resources for the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam:
Coursework builds knowledge, but practice builds confidence — the 237 practice questions from VCE4Plus are the natural next step once the training material is behind you.
The Salesforce-MuleSoft-Developer-I exam is an official Salesforce certification exam built around the Salesforce Certified MuleSoft Developer (Mule-Dev-201) syllabus detailed above. It counts toward these credential paths: Salesforce Certified MuleSoft Developer II. Passing it demonstrates verified, job-relevant skills — one reason Salesforce credentials remain widely respected in 2026. VCE4Plus helps you prepare with 237 practice questions available in PDF, Desktop Test Engine, and Online Test Engine formats.
According to the official outline, the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam is structured around 9 content domains. The leading three are Accessing and Modifying Mule Events (10%), Testing, Debugging and Deployment (13%), and Error Handling and Transactions (8%). The complete list appears in the topics section above, and VCE4Plus's 237 practice questions span every domain in it.
Online proctored or onsite testing center Use these official channels to register for the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam:
Once your date is booked, work backward from it with the VCE4Plus practice questions — they arrive by email within 1 minute of purchase.
You need 70% to pass the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam, and registration costs USD 200. A failed attempt means paying that fee a second time, so test yourself with the VCE4Plus engines first — the performance review shows whether you are actually ready to spend it.
Yes — under clear, written conditions. If you take the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam within 60 days of purchase and do not pass, VCE4Plus issues a full refund. The policy excludes exams taken within 3 days of purchase, exams never actually taken, free materials, and expired orders, and the candidate name must match the payer name. Send a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam, and your claim is processed within 7 days. If you would rather keep preparing, you can instead exchange for two free exam products of equal value while your original product's update service continues. Delivery after purchase is by email within 1 minute; contact support if nothing arrives within 2 hours.
The Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam contains 60–65 with a time limit of 120 minutes. Budgeting that time is a skill in itself — the timed mock mode in the VCE4Plus Desktop Test Engine lets you rehearse the pace until it feels routine.
No formal prerequisites; recommended: 6+ months experience building basic integrations with Mule 4 and Anypoint Platform Eligibility rules can be updated, so double-check them on the official Salesforce exam page before you register.
Three things candidates mention most: coverage, flexibility, and service. You receive 237 practice questions for the Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam in three formats — a printable expert-prepared PDF, a Windows Desktop Test Engine with two practice modes and offline use, and an Online Test Engine for any browser on Windows, Mac, Android, or iOS with test history and performance review. Install on unlimited computers, try the free demo first, get free updates for 365 days, and renew afterward at 50% off. Small touches matter too: hide the answers while you practice, reveal them when you check your work, and keep notes right where you study.
Salesforce Certified MuleSoft Developer (Mule-Dev-201) Sample Questions:
Refer to the exhibits.
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The Mule application configures and uses two HTTP Listener global configuration elements.
Mule application is run in Anypoint Studio.
If the mule application starts correctly, what URI and port numbers can receive web client requests? If the mule applications fails to start , what is the reason for the failure?
- A. The mule application start successfullyWeb client requests can be received at URI on port 2222 and on port 3333.
- B. The mule application fails to startThere is URL path conflict because both HTTP Listeners are configured with same path
- C. The mule application fails to start because of the port binding conflict as HTTP request also use same port i.e. 3333
- D. The mule applicationstart successfullyWeb client requests can only be received at URI on port 2222 but not on port 3333
Correct Answer: A 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
What payload is returned by a Database SELECT operation that does not match any rows in the database?
- A. false
- B. Exception
- C. null
- D. Empty Array
Correct Answer: D 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
What is the object type returned by the File List operation?
- A. Object of Mule event objects
- B. Object of String filenames
- C. Array of String file names
- D. Array of Mule event objects
Correct Answer: D 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
A RAML example fragment named StudentExample.raml is placed in the examples folder in an API specification project. What is the correct syntax to reference the fragment?
- A. examples: !include StudentExample.raml
- B. examples: !include examples/StudentExample.raml
- C. examples: #import StudentExample.raml
- D. examples: #import examples/StudentExample.raml
Correct Answer: B 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
A company has defined two RAML fragments, Book Data Type and Book Example to be used in APIs.
What would be valid RAML to use these fragments ?
- A. 1.#%RAML 1.02.title: Books3.Book: bookDataType.raml4./books:5.post:6.body:7.application/json:8.
type: Book9.examples:10.input: bookExample.raml11.responses:12.201:13.body:14.application/json:15.
example:16.message: Book added - B. 1.#%RAML 1.02.title: Books3.Book: !include bookDataType.raml4./books:5.post:6.body:7.application
/json:8.type: Book9.examples:10.input: !include bookExample.raml11.responses:12.201:13.body:14.
application/json:15.example:16.message: Book added - C. 1.#%RAML 1.02.title: Books3.Book: bookDataType.raml4./books:5.post:6.body:7.application/json:8.
type: Book9.examples:10.input: bookExample.raml11.responses:12.201:13.body:14.application/json:15.
example:16.message: Book added - D. 1. #%RAML 1.02. title: Books3.types:4. Book: ABC/Examples/bookDataType.raml5. /books:6. post:7.
body:8. application/json:9. type: Book10. examples:11. input: ABC/Examples/bookExample.raml12.
responses:13. 201:14. body:15. application/json:16.example:17.message: Book added
Correct Answer: C 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
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