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Salesforce Salesforce MuleSoft Mule-Dev-201

Mule-Dev-201

Exam Code: Mule-Dev-201

Exam Name: Salesforce Certified MuleSoft Developer

Updated Time: Sep 01, 2026

Q & A: 237 Questions and Answers

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About Salesforce Mule-Dev-201 Exam Materials

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Salesforce Mule-Dev-201 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Creating Application Networks7%- Identify application network concepts
- Describe Anypoint Platform components
- Explain API-led connectivity principles
Topic 2: Data Transformation with DataWeave10%- Handle different data formats
- Write expressions and functions
- Transform complex data structures
Topic 3: Designing APIs8%- Define parameters, responses and data types
- Use REST API methods and resources
- Define API specifications with RAML
Topic 4: Error Handling and Transactions8%- Handle retries and dead-letter queues
- Implement transaction management
- Configure error handlers
Topic 5: Testing and Debugging10%- Debug applications using Anypoint Studio
- Write unit tests with MUnit
- Use mocking and test doubles
Topic 6: Accessing and Modifying Mule Events10%- Enrich events using connectors
- Use DataWeave for transformation
- Access and modify payload, attributes and variables
Topic 7: Building API Implementations10%- Implement APIs from specifications
- Use connectors to integrate systems
- Implement routing and transformation logic
Topic 8: Security and Governance7%- Apply security policies
- Manage access and authentication
- Enforce governance standards
Topic 9: Deploying and Managing Applications10%- Deploy to CloudHub and on-premises
- Monitor and manage applications
- Explain deployment models
Topic 10: Structuring Mule Applications10%- Manage error handling and scopes
- Use flows, subflows and flow references
- Organize configurations and properties

Salesforce Certified MuleSoft Developer Sample Questions:

Question 1

A company has an API to manage departments, with each department identified by a unique deptld. The API was built with RAML according to MuleSoft best practices.
What isvalid RAML to specify a method to update the details for a specific department?

A.

B.

C.

D.


Question 2

Refer to theexhibits The Mule application does NOT define any global error handlers.
A web client sends a POST request to the Multi application with this input payload The File Write operation throws a FILECONNECTIVITY error What response message is returned to the web client?

A. "File written"
B. "OTHER ERROR"
C. "ORDER NOT_CREATED"
D. "FILECONNECTIVITY"


Question 3

Refer to the exhibits.


A
web client submits a request to http://localhQst:8081. What is the structure of the payload at the end of the flow?

A.

B.

C.

D.


Question 4

Refer to the exhibits. A company has defined this Book data type and Book example to be used in APIs. What is valid RAML for an API that uses this Book data type and Book example?

A.

B.

C.

D.


Question 5

How can you call a subflow from Dataweave?

A. Import function
B. Include function
C. Lookup function
D. Not possible in Mule 4


Solutions:

Question 1
Answer: C
Question 2
Answer: C
Question 3
Answer: C
Question 4
Answer: C
Question 5
Answer: C

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