Salesforce Certified MuleSoft Developer : Mule-Dev-201

  • Exam Code: Mule-Dev-201
  • Exam Name: Salesforce Certified MuleSoft Developer
  • Updated: Aug 11, 2026
  • Q & A: 237 Questions and Answers

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Mule-Dev-201 exam dumps

Salesforce Mule-Dev-201 Exam Syllabus Topics:

SectionObjectives
Security and Policies- API security policies (OAuth, JWT, etc.)
- Secure configuration and credentials management
Deployment and Operations- Monitoring and logging
- Deployment strategies (CloudHub, on-prem)
Mule Application Development- Flow design and message processing
- Connectors and modules usage
API-led Connectivity- API reusability and governance concepts
- API layering approach (System, Process, Experience APIs)
DataWeave Transformations- DataWeave syntax and functions
- Data transformation and mapping strategies
Anypoint Platform Fundamentals- Anypoint Platform components overview
- Anypoint Studio usage and project structure
Error Handling and Debugging- Error types and handling strategies
- Debugging Mule applications

Salesforce Certified MuleSoft Developer Sample Questions:

1. Refer to the exhibit.

What is the output payload in the On Complete phase

A) The original payload: [1,2,31
B) The records processed by thelast batch step: [StepTwol, StepTwo2, StepTwo3]
C) summary statistics with NO record data
D) The records processed by all batch steps: [StepTwostepOnel, stepTwostepOne2, StepTwoStepOne3]


2. Refer to the exhibits.

The Set Payload transformer's value is set to {'year': '2020'}.
What message value should be added to the Logger component to output the message 'The year is 2020', withouthardcoding 2020?

A) '#[The year is $(pay load .year)]*
B) '#[The year is " + paytoad.year]'
C) #["The year is "++ payload.year].
D) The year is #[payload.year]'


3. An API instance of type API endpoint with API proxy is created in API manager using an API specification from Anypoint Exchange. The API instance is also configuredwith an API proxy that is deployed and running in CloudHub.
An SLA- based policy is enabled in API manager for this API instance.
Where can an external API consumer obtain a valid client ID and client secret to successfully send requests to the API proxy?

A) In Runtime Manager, from the properties tab of the deployed approved API proxy
B) In Anypoint Studio, from components generated by Rest Connect for API specification
C) In Anypoint Studio, from components generated by APIkit for the API specification
D) In the organization's public API portal in Anypoint Exchange, from an approved client application for the API proxy


4. Refer to the exhibits.

The input array of strings is processed by the batch job that processes, filters, and aggregates the values. What is the last message logged by the Logger component after the batch job completes processing?

A) [ ["A", "C", "D" ], ["E"] ]
B) [''D", "E"]
C) [''E'']
D) [ "A", "C, "D", "E" ]


5. A Mule project contains a DataWeave module called MyModule.dwl that defines a function named formatString. The module is located in the project's src/main/resources/modules folder.
What is the correct way in DataWeave code to import MyModule using a wildcard and then call the module's formatString function?

A)

B)

C)

D)


Solutions:

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

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