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Salesforce Mule-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement server-side caching - Implement HTTP callbacks/webhooks |
| Implement Performant and Reliable Mule Applications | 27% | - Implement reliable messaging patterns - Handle HTTP API invocations and errors - Use ObjectStore for persistence - Validate messages and payloads - Optimize performance and throughput |
| Secure Data at Rest and in Transit | 20% | - Manage keys and certificates - Manage secure environment properties - Implement security policies - Expose and invoke APIs over HTTPS |
| Implement Monitorable Mule Applications | 15% | - Implement message correlation - Implement logging and log management - Expose health check endpoints - Monitor applications and runtimes |
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Execute tests with Maven - Build custom policies and processors - Create reusable libraries - Modularize applications and builds - Implement automated deployment |
Salesforce Certified MuleSoft Developer II Sample Questions:
A Mule application uses API autodiscovery to access and enforce policies for a RESTful implementation.
What needs to be configured for the flowRef attribute of the autodiscovery global element?
- A. The name of the flow that has APIkit Console to receive all incoming RESTful operation requests
- B. Any of the APIkit generated implementation flows
- C. Nothing because flowRef is an optional attribute which can be passed during runtime
- D. The name of the flow that has HTTP Listener to receive all incoming RESTful operation requests
Correct Answer: D 🗳️
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Refer to the exhibit.
A Mule Object Store is configured with an entry TTL of one second and an expiration interval of 30 seconds.
What is the result of the flow if processing between os:store and os:retrieve takes 10 seconds?
Exhibit:
- A. originalPayload
- B. testPayload
- C. nullPayload
- D. OS:KEY_NOT_FOUND
Correct Answer: B 🗳️
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A healthcare customer wants to use hospital system data, which includes code that was developed using legacy tools and methods. The customer has created reusable Java libraries in order to read the data from the system.
What is the most effective way to develop an API to retrieve the data from the hospital system?
- A. Refer to JAR files in the code
- B. Install the libraries in a local repository and refer to it in the pom.xml file
- C. Include the libraries while deploying the code into the runtime
- D. Create the Java code in your project and invoke the data from the code
Correct Answer: B 🗳️
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Refer to the exhibit.
An API has been built to enable scheduling emails for a healthcare provider. The front-end system does very little data entry validation, and problems have started to appear in the emails that go out to patients. A
"validate-customer" flow is added to validate the data.
What is the expected behavior of the "validate-customer" flow?
Exhibit:
- A. If only the email address is invalid, a VALIDATION:INVALID_EMAIL error is raised
- B. If all of the values are invalid, the last validation error is raised: SCHEDULE:INVALID_CUSTOMER_NAME
- C. If the appointment date and customer name are invalid, a SCHEDULE:
INVALID_APPOINTMENT_DATE error is raised - D. If the email address is invalid, processing continues to see if the appointment date and customer name are also invalid
Correct Answer: D 🗳️
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An order processing system is composed of multiple Mule applications responsible for warehouse, sales, and shipping. Each application communicates 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. Use the default correlation ID; Anypoint MQ will automatically propagate it
- B. Wrap all Anypoint MQ Publish operations within a With CorrelationID scope from the Tracing module, setting the correlation ID to the order ID
- C. Set a custom Anypoint MQ user property to propagate the order ID and set the correlation ID in the receiving applications
- D. Use the underlying HTTP request of Anypoint MQ to set the X-CORRELATION-ID header to the order ID
Correct Answer: C 🗳️
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