Salesforce Mule-Dev-301 : Salesforce Certified MuleSoft Developer II

Exam Code: Mule-Dev-301

Exam Name: Salesforce Certified MuleSoft Developer II

Updated: Aug 26, 2026

Q & A: 62 Questions and Answers

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Salesforce Mule-Dev-301 Exam Syllabus Topics:

SectionWeightObjectives
Implement Performant and Reliable Mule Applications27%- Optimize reliability and performance
  • 1. Build fault-tolerant message processing
  • 2. Implement ObjectStore persistence
  • 3. Validate assertions using validation modules
  • 4. Implement performant API invocations
  • 5. Implement asynchronous processing
Implement Monitorable Mule Applications15%- Implement monitoring and logging
  • 1. Change log levels dynamically
  • 2. Expose health check endpoints
  • 3. Implement monitoring dashboards and alerts
  • 4. Configure and evaluate application logs
Expose Production-Ready Anypoint Platform Managed APIs13%- Manage APIs with Anypoint Platform
  • 1. Configure API policies
  • 2. Implement server-side API caching
  • 3. Implement HTTP callbacks
  • 4. Request and manage API access
  • 5. Implement API versioning
Secure Data at Rest and in Transit20%- Implement security best practices
  • 1. Secure sensitive data in Mule applications
  • 2. Create and distribute certificates and keys
  • 3. Expose APIs over HTTPS
  • 4. Implement TLS mutual authentication
  • 5. Implement secure property management
Implement Maintainable and Modular Mule Applications and Their Maven Builds25%- Implement modular Mule application structures
  • 1. Optimize Maven build configurations
  • 2. Create custom API rules
  • 3. Execute MUnit tests with Maven
  • 4. Implement unit testing with MUnit framework
  • 5. Implement Maven-based automated deployments

Salesforce Certified MuleSoft Developer II Sample Questions:

1. A mule application exposes and API for creating payments. An Operations team wants to ensure that the Payment API is up and running at all times in production.
Which approach should be used to test that the payment API is working in production?

A) Monitor the Payment API directly sending real customer payment data
B) Create a health check endpoint that listens on a separate port and uses a separate HTTP Listener configuration from the API
C) Configure the application to send health data to an external system
D) Create a health check endpoint that reuses the same port number and HTTP Listener configuration as the API itself


2. An organization uses CloudHub to deploy all of its applications.
How can a common-global-handler flow be configured so that it can be reused across all of the organization's deployed applications?

A) Create a common-global-error-handler flow in all Mule Applications Refer to it flow-ref wherever needed.
B) Create a Mule plugin project
Create a common-global-error-handler flow inside the plugin project.
Use this plugin as a dependency in all Mute applications.
Import that configuration file in Mute applications.
C) Create a Mule Plugin project


3. Refer to the exhibit.
What is the result of the Mule Maven Plugin configuration of the value of property its,keystorePassoword in CloudHub 2.0?

A) The Mule server encrypts the value
B) Runtime Manager masks the value
C) CloudHub encrypts the value
D) Anypoint Studio secures the value


4. A Mule API receives a JSON payload and updates the target system with the payload. The developer uses JSON schemas to ensure the data is valid.
How can the data be validation before posting to the target system?

A) Apply the JSON Schema policy in API Manager and reference the correct schema in the policy configuration
B) Add the JSON module dependency and add the validate-schema operation in the flow, configured to reference the schema
C) Using the DataWeave if Else condition test the values of the payload against the examples included in the schema
D) Use a DataWeave 2.09 transform operation, and at the log of the DataWeave script, add:
%dw 2.0
Import.json-moduls


5. When implementing a synchronous API where the event source is an HTTP Listener, a developer needs to return the same correlation ID back to the caller in the HTTP response header.
How can this be achieved?

A) Enable the auto-generate CorrelationID option when scaffolding the flow
B) NO action is needed as the correlation ID is returned to the caller in the response header by default
C) Enable the CorrelationID checkbox in the HTTP Listener configuration
D) Configure a custom correlation policy


Solutions:

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

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