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Salesforce Mule-Dev-301 Exam Syllabus Topics:

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

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最新的 Salesforce MuleSoft Mule-Dev-301 免費考試真題 (Q33-Q38):

問題 #33
A Mule application uses API autodiscovery to access and enforce policies for a RESTful implementation.

答案：C

解題說明：
To use API autodiscovery to access and enforce policies for a RESTful implementation, flowRef must be set to the name of the flow that has HTTP listener to receive all incoming RESTful operation requests. This way, API autodiscovery can identify the API implementation and associate it with the corresponding API specification and policies in API Manager. The flow that has HTTP listener is usually the main flow that contains the APIKit Router. Reference: https://docs.mulesoft.com/api-manager/2.x/api-auto-discovery-new-concept#flowref


問題 #34
A new Mule project has been created in Anypoint Studio with the default settings.
Which file inside the Mule project must be modified before using Maven to successfully deploy the application?

答案：A

解題說明：
To use Maven to successfully deploy the application, the developer needs to modify the pom.xml file inside the Mule project. The pom.xml file contains the configuration and dependencies of the Mule application, as well as the deployment information such as the CloudHub region, environment, and worker size. The developer needs to specify these properties in the pom.xml file before using Maven to deploy the application. Reference: https://docs.mulesoft.com/mule-runtime/4.3/mmp-concept#application-deployment-descriptor


問題 #35
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?

答案：C

解題說明：
When implementing a synchronous API where the event source is an HTTP Listener, Mule automatically propagates some message attributes between flows via outbound and inbound properties. One of these attributes is correlation ID, which is returned to the caller in the response header by default as MULE_CORRELATION_ID. Reference: https://docs.mulesoft.com/mule-runtime/4.3/about-mule-message#message-attributes


問題 #36
Which statement is true when working with correlation IDs?

答案：C

解題說明：
When Mule creates a new event, it needs a correlation ID so log entries and processing activity associated with that event can be traced together. Mule first checks whether the event source already provides a correlation ID. For an HTTP Listener, headers such as X-CORRELATION-ID or MULE_CORRELATION_ID can supply that identifier.
MuleSoft explicitly states that if the source message contains a correlation ID, Mule uses it; if the source does not provide one, Mule generates a unique correlation ID. Therefore, option C accurately describes HTTP Listener behavior.
Option B is incorrect because Mule does not unconditionally replace an incoming correlation ID. Option D is also incorrect: MuleSoft specifically documents that Anypoint MQ does not automatically propagate Mule correlationId between publisher and subscriber. If an identifier must traverse Anypoint MQ, it should be included as a user property and then reapplied or used by the receiving application.
Correlation IDs are central to production observability because they let operations teams connect log records and processing stages to the same business execution.
Reference topics: Mule correlation IDs; HTTP Listener; X-CORRELATION-ID; distributed tracing; event correlation.
Official documentation: https://docs.mulesoft.com/mule-runtime/latest/correlation-id Official documentation: https://docs.mulesoft.com/mq/mq-faq


問題 #37
Refer to the exhibits.
The flow name is "implementation" with code for the MUnit test case.
When the MUnit test case is executed, what is the expected result?
Exhibit:

答案：C

解題說明：
The significant attribute in the MUnit definition is expectedErrorType="APP:CUSTOM_ERROR". The referenced implementation flow deliberately invokes raise-error with exactly the same error type: APP:
CUSTOM_ERROR.
MUnit supports expected-error testing specifically for negative scenarios. When expectedErrorType is configured, the test is considered successful when execution produces that expected Mule error. The raised error is therefore not treated as an unexpected test failure; it satisfies the test's declared expectation.
The apparently failing assertion-testing true against equalTo(false)-does not change the result in this scenario because normal execution does not reach the validation chain after the referenced flow raises the expected error. The expected error terminates the execution path being tested and satisfies the MUnit expectation.
If the implementation generated a different error type, option B would apply. If it generated no error when an error was expected, the test would also fail. Here, however, the flow explicitly raises the exact application- defined error specified by the test.
Reference topics: MUnit Test Structure; expectedErrorType; Error Testing; Raise Error Component.
Official documentation: https://docs.mulesoft.com/munit/3.6/munit-test-concept


問題 #38
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