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

Exam Code: Mule-Dev-301

Exam Name: Salesforce Certified MuleSoft Developer II

Updated: Aug 31, 2026

Q & A: 62 Questions and Answers

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Salesforce Mule-Dev-301 Exam Syllabus Topics:

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

Salesforce Certified MuleSoft Developer II Sample Questions:

Question 1

Which configurations are required for HTTP Listener to enable mTLS authentication?

A. Set an appropriate keystore configuration and use persistent connections for the listener
B. Set an appropriate reconnection strategy and use persistent connections for the listener
C. Set an appropriate truststore configuration and reconnection strategy for the listener
D. Set an appropriate keystore and truststore configuration for the listener


Question 2

Refer to the exhibit.
What required changes can be made to give a partial successful response in case the United Airlines API returns with a timeout?

A. Add Flow Reference components inside a Try scope
Set the payload to a default value '' inside the error handler using the On Error Propagate scope
B. Add Flow Reference components inside a Try scope.
Set the payload to a default value'' insider the error handler using the ON Error Continue scope
C. Add a Scatter-gather component inside a Try scope.
Set the payload to a default value 'Error' inside the error handler using the On Error Propagate scope.
D. Add a Scatter-Gather component inside a Try scope.
Set the payload to a default value 'Error'' inside the error handler using the On Error Continue scope.


Question 3

An order processing system is composed of multiple Mule application responsible for warehouse, sales and shipping. Each application communication using Anypoint MQ. Each message must be correlated against the original order ID for observability and tracing.
How should a developer propagate the order ID as the correlation ID across each message?

A. Wrap all Anypoint MQ Publish operations within a With CorrelationID scope from the Tracing module, setting the correlation ID to the order ID
B. Use the underlying HTTP request of Anypoint MQ to set the 'X-CORRELATION_ID' header to the order ID
C. Use the default correlation ID, Anypoint MQ will sutomatically propagate it.
D. Set a custom Anypoint MQ user property to propagate the order ID and set the correlation ID in the receiving applications.


Question 4

Which statement is true when using XML SDK for creating custom message processors?

A. An XML SDK provides both inbound and outbound operations
B. All operations are public
C. Properties are fields defined by an end user of the XML SDK component and serve as a global configuration for the entire Mule project in which they are used
D. Operations can be reused in recursive calls


Question 5

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


Solutions:

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

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