Salesforce Salesforce-MuleSoft-Developer-I Exam : Salesforce Certified MuleSoft Developer (Mule-Dev-201)

  • Exam Code: Salesforce-MuleSoft-Developer-I
  • Exam Name: Salesforce Certified MuleSoft Developer (Mule-Dev-201)
  • Updated: Oct 27, 2026
  • Q & A: 237 Questions and Answers

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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
Exam Duration:120 minutes
Passing Score:70%
Real Exam Qty:60–65
Available Languages:English
Exam Price:USD 200
Exam Format:Multiple-choice, Scenario-based
Certificate Validity Period:Valid indefinitely; annual maintenance required via Trailhead
Related Certifications:Salesforce Certified MuleSoft Developer II
Recommended Training:MuleSoft Official Training
Trailhead: MuleSoft Developer Learning Path
Exam Registration:Webassessor / Kryterion Scheduling
Salesforce Certification Registration
Sample Questions:Free Download real Salesforce-MuleSoft-Developer-I actual tests
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:

SectionWeightObjectives
Data Transformation with DataWeave15%- DataWeave syntax and expressions
- Filtering, grouping, and aggregating data
- Transforming between formats (JSON, XML, CSV, Java)
Creating Application Networks7%- Application network concepts and benefits
- API-led connectivity principles
- Anypoint Platform components and use cases
Connectivity and Connectors15%- Authentication and security
- Using core and popular connectors
- Consuming and exposing services
Error Handling and Transactions8%- Error types and handling strategies
- Rollback and transaction management
Testing, Debugging and Deployment13%- Debugging and logging
- Unit testing with MUnit
- Deployment strategies and management
Accessing and Modifying Mule Events10%- Using core processors to modify events
- Transforming and enriching payloads
- Event structure and variables
Designing APIs8%- Defining resources, methods, and parameters
- API specification best practices
- RESTful API design and RAML
Structuring Mule Applications10%- Flows, subflows, and error handling
- Configuration and properties files
- Modular design and reusability
Building API Implementations7%- Mapping requests and responses
- Using APIkit
- Implementing APIs from specifications

Salesforce-MuleSoft-Developer-I (Salesforce) Exam FAQ: Trusted Answers

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 Developer level. It also connects to Salesforce Certified MuleSoft Developer II. 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 60–65 questions within 120 minutes. That is a brisk pace, and the candidates who handle it best are the ones who rehearsed it. Use the DumpsActual 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 USD 200. Retakes bill the full USD 200 again, so preparation is the least expensive insurance available. Let your DumpsActual practice scores guide the timing: book when you clear the requirement consistently, not occasionally.

No formal prerequisites; recommended: 6+ months experience building basic integrations with Mule 4 and Anypoint Platform

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 DumpsActual Salesforce-MuleSoft-Developer-I package, because repeated application is what turns course knowledge into a passing score.

Yes. DumpsActual 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 9 official domains. The most heavily weighted are Error Handling and Transactions (8%), Connectivity and Connectors (15%), and Building API Implementations (7%). The full breakdown appears above on this page; study the weightings and your preparation priorities set themselves.

Salesforce Certified MuleSoft Developer (Mule-Dev-201) Sample Questions:

Question #1

Refer to the exhibits.

What payload and quantity are togged at the end of the main flow?

  • A. [orderlorder2order3order4, 14]
  • B. [[1,2,3,4], 10]
  • C. [[order1, order2, order3, order4], 14]
  • D. [[1,2,3,4],14]
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

A Scatter-Gather processes three separate HTTP requests. Each request returns a Mule event with a JSON payload. What is the final output of the Scatter-Gather?

  • A. An Object containing all three JSON payload Objects
  • B. An Object containing all three Mule event Objects
  • C. An Array of the three Mule event Objects
  • D. An Array of the three JSON payload Objects
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #3

Refer to the exhibit.

The Mule application's connectors areconfigured with property placeholders whose values are set in the config.yaml file What must be added to the Mule application to link the config.yaml file's values with the property placeholders?

  • A. A propertiesFile key/value pair in the mule-artifact json file
  • B. A dependency element in the pom xml file
  • C. A configuration-properties element in the acme-app xml file
  • D. A file-config element in the acrne-app xml file
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

Refer to the exhibit.


How should be the where clause written for the configured input parameters in such a way that it achieves below SQL query?

  • A. WHERE city = :city AND state = :state
  • B. WHERE city := ${city} AND state := ${state}
  • C. WHERE city = attributes.cityAND state = attributes.state
  • D. WHERE city := city AND state := state
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for DumpsActual members. You can sign-up / login (it's free).

Question #5

An API specification is designed using RAML. What is the next step to create a REST Connector from this APIspecification?

  • A. Implement the API specification using flow designer in Design Center
  • B. Download the API specification and build the interface using APIkit
  • C. Publish the API specification to Any point Exchange
  • D. Add the specification to a Mule project's src/main/resources/api folder
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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