Exam Name: Salesforce Certified MuleSoft Developer II
Certification Provider: Salesforce
Corresponding Certification: Salesforce MuleSoft
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Instant Download Salesforce : Mule-Dev-301 Questions & Answers as PDF & Test Engine
Updated: Oct 25, 2026
No. of Questions: 62 Questions & Answers with Testing Engine
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Certification exams change, and study material has to change with them. In 2026, ActualVCE continues to refresh its Mule-Dev-301 practice questions, and every Salesforce Certified MuleSoft Developer II purchase includes 365 days of free updates.
Salesforce Mule-Dev-301 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer II |
| Exam Number: | Mule-Dev-301 |
| Available Languages: | English |
| Certificate Validity Period: | Valid indefinitely; requires maintenance updates |
| Passing Score: | 70% |
| Related Certifications: | Salesforce Certified MuleSoft Architect Salesforce Certified MuleSoft Developer I |
| Exam Price: | $400 USD |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple choice, Scenario-based questions |
| Real Exam Qty: | 60-65 |
| Recommended Training: | MuleSoft Training: Advanced Development Trailhead: MuleSoft Developer II Preparation |
| 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 |
|---|---|---|
| Topic 1: Implement Monitorable Mule Applications | 15% | - Implement message correlation - Implement logging and log management - Monitor applications and runtimes - Expose health check endpoints |
| Topic 2: Secure Data at Rest and in Transit | 20% | - Manage secure environment properties - Manage keys and certificates - Expose and invoke APIs over HTTPS - Implement security policies |
| Topic 3: Implement Performant and Reliable Mule Applications | 27% | - Validate messages and payloads - Use ObjectStore for persistence - Handle HTTP API invocations and errors - Implement reliable messaging patterns - Optimize performance and throughput |
| Topic 4: Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement server-side caching - Implement HTTP callbacks/webhooks |
| Topic 5: Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Modularize applications and builds - Create reusable libraries - Implement automated deployment - Execute tests with Maven - Build custom policies and processors |
Salesforce Certified MuleSoft Developer II: Your Questions, Answered
The Mule-Dev-301 exam (Salesforce Certified MuleSoft Developer II) is the official Salesforce exam that leads to the Salesforce Certified MuleSoft Developer II certification, a credential at the Advanced / Professional level. Related certifications include Salesforce Certified MuleSoft Developer I, Salesforce Certified MuleSoft Architect. ActualVCE provides 62 practice questions to help you prepare for it with confidence.
The Mule-Dev-301 exam contains 60-65 questions and gives you 120 minutes to finish them. Before exam day, divide the total time by the question count so you know the pace you need to keep, and flag difficult items instead of getting stuck on them. Running at least one full timed session in the ActualVCE test engine is the best way to make that time pressure feel familiar.
You need 70% to pass, and the official registration fee is $400 USD. Keep in mind that a failed attempt means paying that fee in full again, so it pays to test yourself first. When your scores on the ActualVCE timed practice tests stay consistently above the passing line, you are ready to book the exam.
Recommended: Salesforce Certified MuleSoft Developer I or equivalent experience; 1+ year building Mule 4 applications Requirements can change over time, so always double-check the latest eligibility rules before you register on the official Salesforce exam page.
You can book your exam through the official registration channels:
The exam is delivered in the following way: Online proctored or onsite testing center.
Salesforce recommends the following training options for this exam:
Official courses build the foundation, and the Mule-Dev-301 practice questions from ActualVCE help you turn that knowledge into exam-day performance.
Yes. ActualVCE offers a free Mule-Dev-301 PDF demo so you can check the quality of the practice questions before purchasing. After you buy, your product comes with 365 days of free updates, and if it expires you can renew the update service at a 50% discount from your member zone.
Your purchase is protected by our 100% Money Back Guarantee. If you take the corresponding Mule-Dev-301 exam within 60 days of purchase and do not pass, send us a scan of your enrollment slip and the official Score Report PDF within two days of the exam, and the full refund will be processed within seven days. The candidate name must match the payer name; exams taken within three days of purchase, free materials, and expired orders are not eligible. If you would rather not refund, you can exchange your product for two free products of equal value and keep the update service on your original purchase. Delivery itself is instant: your material is available for download and is emailed to you within one minute of payment. If nothing arrives within two hours, contact our support team. There is no limit on how many computers you may install it on.
The Mule-Dev-301 syllabus is organized into 5 exam domains. Among the first three are Implement Maintainable and Modular Mule Applications and Maven Builds (25%), Implement Performant and Reliable Mule Applications (27%), Implement Monitorable Mule Applications (15%). For the complete breakdown of topics and subtopics, see the Exam Topics section above.
Salesforce Certified MuleSoft Developer II Sample Questions:
Refer to the exhibits.
Based on the code snippet, schema.json file, and payload below, what is the outcome of the given code snippet when a request is sent with the payload?
Exhibits:
- A. The Mule flow will execute successfully with status code 200, and the response will be the JSON sent in request
- B. The Mule flow will execute successfully with status code 204
- C. The Mule flow will throw the exception "JSON:SCHEMA_NOT_HONOURED"
- D. The Mule flow will execute successfully with status code 200, and in response will display the message
"Age in years which must be equal to or greater than zero."
Correct Answer: C 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
A Mule application deployed to a standalone Mule runtime uses VM queues to publish messages to be consumed asynchronously by another flow.
In the case of a system failure, what will happen to in-flight messages in the VM queues that have not been consumed?
- A. For any type of queue, the message will be lost
- B. For any type of queue, the message will be processed after the system comes online
- C. For persistent queues, the message will be processed after the system comes online
- D. For transient queues, the message will be processed after the system comes online
Correct Answer: C 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
A Mule application defines an SSL/TLS keystore property "tls.keystore.keyPassword" as secure.
How can this property be referenced to access its value within the application?
- A. ${secure::tls.keystore.keyPassword}
- B. #[secure::tls.keystore.keyPassword]
- C. $(secure::tls.keystore.keyPassword)
- D. p(secure::tls.keystore.keyPassword)
Correct Answer: A 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
Which statement is true when using XML SDK for creating custom message processors?
- A. Operations can be reused in recursive calls
- B. All operations are public
- C. An XML SDK provides both inbound and outbound operations
- D. 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
Correct Answer: D 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
Which statement is true about using mutual TLS to secure an application?
- A. Mutual TLS requires a hardware security module to be used
- B. Mutual TLS authenticates the identity of the server before the identity of the client
- C. Mutual TLS ensures only authorized end users are allowed to access an endpoint
- D. Mutual TLS increases the encryption strength versus server-side TLS alone
Correct Answer: B 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
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