Exam Name: Salesforce Certified MuleSoft Developer II
Certification Provider: Salesforce
Corresponding Certification: Salesforce MuleSoft
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Updated: Sep 17, 2026
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- Total Questions: 62
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- Total Questions: 62
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Salesforce Certified MuleSoft Developer II can feel demanding because it measures both knowledge recall and practical decision-making. With 62 Mule-Dev-301 practice questions from Actual4dump, you can turn a broad syllabus into repeated, manageable review sessions.
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Salesforce Mule-Dev-301 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer II |
| Exam Number: | Mule-Dev-301 |
| Passing Score: | 70% |
| Exam Format: | Multiple choice, Scenario-based questions |
| Related Certifications: | Salesforce Certified MuleSoft Developer I Salesforce Certified MuleSoft Architect |
| Available Languages: | English |
| Certificate Validity Period: | Valid indefinitely; requires maintenance updates |
| Exam Price: | $400 USD |
| Real Exam Qty: | 60-65 |
| Exam Duration: | 120 minutes |
| Recommended Training: | Trailhead: MuleSoft Developer II Preparation MuleSoft Training: Advanced Development |
| Exam Registration: | Salesforce Certification Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | Recommended: Salesforce Certified MuleSoft Developer I or equivalent experience; 1+ year building Mule 4 applications |
| Official Syllabus URL: | https://trailhead.salesforce.com/en/credentials/certification-detail-print?searchString=SalesforceCertifiedMuleSoftDeveloperII |
Salesforce Mule-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Implement Monitorable Mule Applications | 15% | - Monitor applications and runtimes - Implement message correlation - Implement logging and log management - Expose health check endpoints |
| Design and Implement API-led Connectivity | 13% | - Implement HTTP callbacks/webhooks - Implement API autodiscovery - Implement server-side caching |
| Secure Data at Rest and in Transit | 20% | - Expose and invoke APIs over HTTPS - Implement security policies - Manage secure environment properties - Manage keys and certificates |
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Create reusable libraries - Implement automated deployment - Build custom policies and processors - Modularize applications and builds - Execute tests with Maven |
| Implement Performant and Reliable Mule Applications | 27% | - Optimize performance and throughput - Handle HTTP API invocations and errors - Validate messages and payloads - Implement reliable messaging patterns - Use ObjectStore for persistence |
FAQs for Salesforce Certified MuleSoft Developer II Candidates
The Mule-Dev-301 exam leads to the Salesforce Certified MuleSoft Developer II certification from Salesforce. It is positioned at the Advanced / Professional level. The exam validates the knowledge and skills expected of candidates preparing for Salesforce Certified MuleSoft Developer II.
Related certifications include:
- Salesforce Certified MuleSoft Developer I
- Salesforce Certified MuleSoft Architect
The Mule-Dev-301 exam includes 60-65 questions and allows 120 minutes. Before test day, divide the available time by the number of questions in a timed practice set to establish a steady per-question pace. If a difficult item starts consuming too much time, mark it for review and move forward instead of losing momentum. A full timed practice session can help you decide when to move on, when to return, and how much buffer to reserve for a final check.
The passing score for Mule-Dev-301 is 70%, and the official exam fee is $400 USD. Because a retake requires paying the exam fee again, use timed practice results as a readiness check before scheduling your next attempt. If your performance remains inconsistent, continue reviewing weak domains and repeat a timed session before booking the exam.
Recommended: Salesforce Certified MuleSoft Developer I or equivalent experience; 1+ year building Mule 4 applications
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
You can register through the official channels listed below:
The available exam delivery method is Online proctored or onsite testing center.
The official training options include:
After reviewing the recommended training, reinforce what you learned with Actual4dump's 62 practice questions for Mule-Dev-301.
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The current Mule-Dev-301 outline is organized into 5 top-level domains. The first listed areas include:
- Design and Implement API-led Connectivity (13%)
- Secure Data at Rest and in Transit (20%)
- Implement Monitorable Mule Applications (15%)
Review the Exam Topics section above for the complete outline and any nested subtopics.
Salesforce Certified MuleSoft Developer II Sample Questions:
Refer to the exhibits.
Bioinfo System API is implemented and published to Anypoint Exchange. A developer wants to invoke this API using its REST Connector.
What should be added to the POM?
- A.
- B.
- C.
- D.
- E.
Correct Answer: E 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
Refer to the exhibit.
A Mute 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?
- A. nullPayload
- B. OS:KEY_NOT_FOUND
- C. testPayload
- D. originalPayload
Correct Answer: A 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
A company with MuleSoft Titanium develops a Salesforce System API using MuleSoft out-of-the-box Salesforce Connector and deploys the API to CloudHub.
Which steps provide the average number of requests and average response time of the Salesforce Connector?
- A. Access Anypoint Monitoring's built-in dashboard. Select a resource.
Locate the information under the Connectors tab. - B. Change the API Implementation to capture the information in the log.
Retrieve the information from the log file. - C. Access Anypoint Monitoring built-in dashboard.
Select a resource.
Locate the information under Log Manager < Raw Data. - D. Access Anypoint Monitoring's built-in dashboard
Seclect a resource.
Create a custom dashboard to retrieve the information.
Correct Answer: A 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
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. Create a custom XML SDK component to wrap the logger processor and automatically add the order ID within the connector
- B. Use flow variables within every logger processor to log the order ID
- C. Use the Tracing module to set logging variables with a Mapped Diagnostic Context
- D. Set a flow variable and edit the log4/2.xml file to output the variable as part of the message pattern
Correct Answer: C 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
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
Correct Answer: C 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
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