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Salesforce Mule-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement Monitorable Mule Applications | 15% | - Expose health check endpoints - Monitor applications and runtimes - Implement logging and log management - Implement message correlation |
| Topic 2: Implement Performant and Reliable Mule Applications | 27% | - Use ObjectStore for persistence - Implement reliable messaging patterns - Handle HTTP API invocations and errors - Optimize performance and throughput - Validate messages and payloads |
| Topic 3: Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Create reusable libraries - Execute tests with Maven - Implement automated deployment - Build custom policies and processors - Modularize applications and builds |
| Topic 4: Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement server-side caching - Implement HTTP callbacks/webhooks |
| Topic 5: Secure Data at Rest and in Transit | 20% | - Implement security policies - Manage keys and certificates - Manage secure environment properties - Expose and invoke APIs over HTTPS |
Everything Candidates Ask About the Salesforce Mule-Dev-301 Exam
Salesforce recommends these training resources for the Salesforce Certified MuleSoft Developer II:
Courses give you the map; practice teaches you to drive. Finish any of the options above, then sharpen your readiness with 62 practice questions from PracticeVCE before you schedule the real thing.
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The Mule-Dev-301 exam gives you 120 minutes to work through 60-65 questions. That pace punishes perfectionism — the candidates who struggle are usually the ones who burned ten minutes on one stubborn item. Train the skill directly: take timed, full-length mocks in the PracticeVCE desktop or online test engine, practice skipping and returning, and walk in with a pacing strategy you have already tested.
Recommended: Salesforce Certified MuleSoft Developer I or equivalent experience; 1+ year building Mule 4 applications
Vendor requirements do change, so before you commit to an exam date, confirm the latest eligibility rules on the official Salesforce exam page.
The Salesforce Certified MuleSoft Developer II syllabus is split into 5 domains, anchored by Implement Performant and Reliable Mule Applications (27%), Implement Monitorable Mule Applications (15%), and Design and Implement API-led Connectivity (13%). The full breakdown sits in the syllabus section above — treat it as the checklist that decides where your study hours go.
The passing mark for the Mule-Dev-301 exam is 70%, and the official registration fee is $400 USD. Remember that the fee covers a single attempt — fail, and the retake costs the same again with no loyalty discount. Protect the budget by self-testing first: drill 62 practice questions at PracticeVCE under timed conditions until your scores clear the bar with margin, then register.
The Mule-Dev-301 exam, officially the Salesforce Certified MuleSoft Developer II, is Salesforce's benchmark for proving you can work with its technologies in professional settings; passing it awards the Salesforce Certified MuleSoft Developer II certification, which sits at the Advanced / Professional level. Because the credential is issued by the vendor itself, it carries weight with employers that self-assessed skills simply cannot match. It also opens the road toward Salesforce Certified MuleSoft Developer I, Salesforce Certified MuleSoft Architect.
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Registration for the Salesforce Certified MuleSoft Developer II runs through the official channels below:
Worth knowing before you book: the Mule-Dev-301 exam is delivered Online proctored or onsite testing center.
Salesforce Certified MuleSoft Developer II Sample Questions:
A Mule application for processing orders must log the order ID for every log message output.
What is a best practice to enrich every log message with the order ID?
- A. Use flow variables within every logger processor to log the order ID
- B. Set a flow variable and edit the log4j2.xml file to output the variable as part of the message pattern
- C. Create a custom XML SDK component to wrap the logger processor and automatically add the order ID within the connector
- D. Use the Tracing module to set logging variables with a Mapped Diagnostic Context
Correct Answer: D 🗳️
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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?
- A. Create a Mule plugin project. Create a common-global-error-handler flow inside the plugin project. Use this plugin as a dependency in all Mule applications. Import that configuration file in Mule applications.
- 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 Mule applications.
- C. Create a Mule domain project. Create a common-global-error-handler flow inside the domain project.
Use this domain project as a dependency. - D. Create a common-global-error-handler flow in all Mule applications. Refer to it via flow-ref wherever needed.
Correct Answer: A 🗳️
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Refer to the exhibit.
When creating a new project, which API implementation allows for selecting the correct API version and scaffolding flows from the API specification?
Exhibit:
- A. Generate a local RAML from Anypoint Studio
- B. Download RAML from Design Center
- C. Import a published API
- D. Import RAML from local file
Correct Answer: C 🗳️
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A System API that communicates to an underlying MySQL database is deployed to CloudHub. The DevOps team requires a readiness endpoint to monitor all system APIs.
Which strategy should be used to implement this endpoint?
- A. Create a dedicated endpoint that responds with the API status and health of the server
- B. Use an existing resource endpoint of the API
- C. Create a dedicated endpoint that responds with the API status only
- D. Create a dedicated endpoint that responds with the API status and reachability of the underlying systems
Correct Answer: D 🗳️
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A company has been using CI/CD. Its developers use Maven to handle build and deployment activities.
What is the correct sequence of activities that takes place during the Maven build and deployment?
- A. Validate, initialize, compile, test, package, install, verify, deploy
- B. Validate, initialize, compile, package, test, install, verify, deploy
- C. Initialize, validate, compile, test, package, verify, install, deploy
- D. Validate, initialize, compile, test, package, verify, install, deploy
Correct Answer: D 🗳️
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