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Salesforce Mule-Dev-301 Exam Syllabus Topics:

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

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Salesforce Certified MuleSoft Developer II Sample Questions (Q27-Q32):

NEW QUESTION # 27
Which statement is true when working with correlation IDS?

Answer: B

Explanation:
When working with correlation IDs, the HTTP Listener generates correlation IDs unless a correlation ID is received in the HTTP request. In that case, it propagates the received correlation ID throughout the flow execution. Correlation IDs are used to track events across different flows or applications. Reference: https://docs.mulesoft.com/mule-runtime/4.3/about-mule-message#message-attributes


NEW QUESTION # 28
Two APIs are deployed to a two-node on-prem cluster. Due to a requirements change, the two APIs must communicate to exchange data asynchronously.

Answer: A

Explanation:
To communicate asynchronously between two APIs deployed to a two-node on-prem cluster, the developer can use the VM Connector if the two APIs use the same domain. The VM Connector allows passing messages between different Mule applications within a single Mule runtime instance or across different instances using shared memory or persistent storage. If two APIs are deployed under the same domain, they can share resources such as VM queues and communicate asynchronously using VM Connector operations. Reference: https://docs.mulesoft.com/mule-runtime/4.3/vm-connector https://docs.mulesoft.com/mule-runtime/4.3/shared-resources


NEW QUESTION # 29
The Center for Enablement team published a common application as a reusable module to the central Nexus repository.
How can the common application be included in all API implementations?

Answer: D

Explanation:
To include a common application as a reusable module in all API implementations, the developer should add a Maven dependency in the POM file with jar as <classifier>. This way, the developer can reuse Mule code from another application by packaging it as a JAR file and adding it as a dependency in the POM file of the API implementation. The classifier element specifies that it is a JAR file. Reference: https://docs.mulesoft.com/mule-runtime/4.3/mmp-concept#add-a-maven-dependency-to-the-pom-file


NEW QUESTION # 30
Which pattern can a web API use to notify its client of state changes as soon as they occur?

Answer: A

Explanation:
An HTTP webhook provides event-driven notification from an API or service to a client-controlled HTTP endpoint. Instead of requiring the client to repeatedly poll the API for changes, the client registers or supplies a callback URL. When the relevant state transition occurs, the service immediately issues an HTTP request- commonly POST-to that endpoint.
This architecture closely matches the requirement to notify the client as soon as the state change occurs.
MuleSoft-supported connectors expose the same webhook model. For example, MuleSoft's connector documentation describes webhook endpoints as URLs that receive notifications about configured events, demonstrating the callback-based semantics of the pattern.
An ETL load is primarily designed for batch-oriented movement and transformation of data and would introduce unnecessary latency. A scheduled event publisher is still time based, meaning notification occurs according to a schedule rather than directly in response to the state transition. A shared database trigger tightly couples applications through the persistence tier and does not constitute an API notification mechanism.
A webhook therefore creates a clean event-driven API contract: the producing service detects the event and actively notifies the registered consumer endpoint.
Reference topics: HTTP webhooks; event-driven API integration; callback endpoints; asynchronous notifications; API consumer decoupling.
Official documentation: https://docs.mulesoft.com/stripe-connector/latest/stripe-connector-reference


NEW QUESTION # 31
An organization uses CloudHub to deploy all of its applications.
How can a common-global-error-handler flow be configured so that it can be reused across all of the organization's deployed applications?

Answer: B

Explanation:
Reusable global configuration should be packaged once and consumed as a dependency rather than duplicated across individual Mule applications. A shared Mule project/plugin can contain common flows and global elements, including reusable error handlers. Each consuming application then declares the shared artifact as a dependency.
The crucial additional step is that the Mule configuration containing that global error handler must be imported into the consuming application. Simply placing a JAR/plugin on the Maven dependency graph does not automatically make every Mule XML configuration inside that artifact part of the application's active configuration.
MuleSoft currently documents the same pattern through imported project references: a JAR containing a shared Mule project can expose flows, error handlers, and connection configurations, and the consuming project specifies which Mule configuration file to import. Mule's configuration model also supports < import file="..."/ > for merging shared configuration files such as a global error handler.
A Mule domain is not the appropriate CloudHub reuse mechanism in this scenario. Option C is incomplete because it omits the configuration import step.
Reference topics: reusable Mule configurations; Mule plugin/shared project; Maven dependency reuse; configuration imports; global error handlers.
Official documentation: https://docs.mulesoft.com/anypoint-code-builder/int-global-config-elements


NEW QUESTION # 32
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