Failing the Mule-Dev-301 exam means paying the full registration fee again. A focused run through the 62 Salesforce Certified MuleSoft Developer II practice questions at Actual4Exams is a far cheaper way to walk into the testing center prepared.
Salesforce Mule-Dev-301 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer II |
| Exam Number: | Mule-Dev-301 |
| Available Languages: | English |
| Exam Format: | Scenario-based questions, Multiple choice |
| Exam Duration: | 120 minutes |
| Passing Score: | 70% |
| Certificate Validity Period: | Valid indefinitely; requires maintenance updates |
| Exam Price: | $400 USD |
| Related Certifications: | Salesforce Certified MuleSoft Developer I Salesforce Certified MuleSoft Architect |
| Real Exam Qty: | 60-65 |
| Recommended Training: | MuleSoft Training: Advanced Development Trailhead: MuleSoft Developer II Preparation |
| Exam Registration: | Salesforce Certification Registration |
| Sample Questions: |  |
| 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 Performant and Reliable Mule Applications | 27% | - Validate messages and payloads - Use ObjectStore for persistence - Handle HTTP API invocations and errors - Optimize performance and throughput - Implement reliable messaging patterns |
| Implement Monitorable Mule Applications | 15% | - Implement message correlation - Implement logging and log management - Expose health check endpoints - Monitor applications and runtimes |
| Secure Data at Rest and in Transit | 20% | - Implement security policies - Manage secure environment properties - Manage keys and certificates - Expose and invoke APIs over HTTPS |
| Design and Implement API-led Connectivity | 13% | - Implement HTTP callbacks/webhooks - Implement API autodiscovery - Implement server-side caching |
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Implement automated deployment - Execute tests with Maven - Create reusable libraries - Modularize applications and builds - Build custom policies and processors |
Common Questions About the Salesforce Mule-Dev-301 Exam
The Mule-Dev-301 exam, officially known as Salesforce Certified MuleSoft Developer II, is the Salesforce test that leads to the Salesforce Certified MuleSoft Developer II certification at the Advanced / Professional level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Salesforce Certified MuleSoft Developer I, Salesforce Certified MuleSoft Architect.
The Mule-Dev-301 exam contains 60-65 questions, and you have 120 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the Mule-Dev-301 exam is 70%, and the official registration fee is $400 USD. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
Recommended: Salesforce Certified MuleSoft Developer I or equivalent experience; 1+ year building Mule 4 applications
Entry requirements can change, so confirm the latest conditions on the official exam page: https://trailhead.salesforce.com/en/credentials/certification-detail-print?searchString=SalesforceCertifiedMuleSoftDeveloperII.
You can book the Mule-Dev-301 exam through the official registration channels below:
Exam delivery: Online proctored or onsite testing center. Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
Salesforce recommends the following training options for Salesforce Certified MuleSoft Developer II candidates:
Pair any course with the 62 practice questions from Actual4Exams to measure how ready you really are before paying the exam fee.
Yes. A free PDF demo of the Salesforce Certified MuleSoft Developer II questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding Mule-Dev-301 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official Salesforce Certified MuleSoft Developer II outline is organized into 5 domains. The first three are:
- Implement Maintainable and Modular Mule Applications and Maven Builds — 25% of the exam
- Secure Data at Rest and in Transit — 20% of the exam
- Implement Monitorable Mule Applications — 15% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
Salesforce Certified MuleSoft Developer II Sample Questions:
Question 1
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. Access Anypoint Monitoring built-in dashboard.
Select a resource.
Locate the information under Log Manager < Raw Data.
C. Access Anypoint Monitoring's built-in dashboard
Seclect a resource.
Create a custom dashboard to retrieve the information.
D. Change the API Implementation to capture the information in the log.
Retrieve the information from the log file.
Question 2
Multiple individual Mute application need to use the Mule Maven plugin to deploy to CloudHub.
The plugin configuration should .. reused where necessary and anything project, specific should be property-based.
Where should the Mule Maven details be configured?
A. A Bill of Materials (BOM) parent pm
B. Pom, xml
C. Settings, xml
D. A parent pom.xml
Question 3
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. 
Question 4
Which pattern should be used to invoke multiple HTTP APIs in parallel and roll back failed requests in sequence?
A. Scatter-Gather as central Saga orchestrator for all API request with compensating actions for failing routes
B. A database as a transactional outbox and an Until Successful router to retry any requests
C. A Parallel for Each scope with each HTTP request wrapped in a Try scope
D. VM queues as a reliability pattern with error handlers to roll back any requests
Question 5
A mule application exposes and API for creating payments. An Operations team wants to ensure that the Payment API is up and running at all times in production.
Which approach should be used to test that the payment API is working in production?
A. Create a health check endpoint that listens on a separate port and uses a separate HTTP Listener configuration from the API
B. Configure the application to send health data to an external system
C. Monitor the Payment API directly sending real customer payment data
D. Create a health check endpoint that reuses the same port number and HTTP Listener configuration as the API itself
Solutions:
| Question 1 Answer: A | Question 2 Answer: D | Question 3 Answer: B | Question 4 Answer: A | Question 5 Answer: A |
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