Reading notes is one thing; answering under a clock is another. The CertkingdomPDF test engines recreate the pressure of the real Mule-Dev-301 environment, turning Salesforce Certified MuleSoft Developer II practice questions into timed rehearsals of the 2026 exam.
Salesforce Mule-Dev-301 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified MuleSoft Developer II |
| Exam Number: | Mule-Dev-301 |
| Certificate Validity Period: | No expiration currently; credential maintenance may be required by Salesforce |
| Available Languages: | English, Japanese |
| Related Certifications: | Salesforce Certified MuleSoft Platform Integration Architect Salesforce Certified MuleSoft Developer Salesforce Certified MuleSoft Platform Architect |
| Passing Score: | 70% |
| Exam Format: | Multiple Select, Multiple Choice |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 60-65 |
| Exam Price: | USD 200 |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored exam or onsite testing center |
| Pre Condition: | Salesforce Certified MuleSoft Developer certification is required before taking this exam. |
| Official Syllabus URL: | https://help.salesforce.com/s/articleView?id=005298955&language=en_US&type=1 |
Salesforce Mule-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Secure Data at Rest and in Transit | 20% | - Implement security best practices
|
| Topic 2: Implement Monitorable Mule Applications | 15% | - Implement monitoring and logging
|
| Topic 3: Implement Maintainable and Modular Mule Applications and Their Maven Builds | 25% | - Implement modular Mule application structures
|
| Topic 4: Expose Production-Ready Anypoint Platform Managed APIs | 13% | - Manage APIs with Anypoint Platform
|
| Topic 5: Implement Performant and Reliable Mule Applications | 27% | - Optimize reliability and performance
|
Mule-Dev-301 Exam FAQs: What Candidates Ask Most
Yes. CertkingdomPDF provides a free PDF demo of the Mule-Dev-301 practice questions, so you can check the format and quality before paying anything. Every purchase also includes 365 days of free updates, and once that period expires you can extend the update service at a 50% discount from your member zone.
The Mule-Dev-301 exam gives you 120 minutes to work through 60-65 questions, so the clock moves faster than most candidates expect. Keep a steady pace on every item, flag the ones that stall you, and circle back with the time you have banked instead of getting stuck. Time pressure is mostly a rehearsal problem: run at least one full timed mock in the CertkingdomPDF test engine before your appointment, and the real countdown will feel familiar rather than threatening.
The Mule-Dev-301 exam — officially titled Salesforce Certified MuleSoft Developer II — is the Salesforce test you pass to earn the Salesforce MuleSoft certification. It sits at the Professional / Advanced level of the Salesforce certification program. Related certifications include Salesforce Certified MuleSoft Developer, Salesforce Certified MuleSoft Platform Architect, Salesforce Certified MuleSoft Platform Integration Architect. If that is the credential you are after, the 62 practice questions at CertkingdomPDF map directly to its official objectives.
The Salesforce Certified MuleSoft Developer II blueprint is organized into 5 domains. The first three are:
- Secure Data at Rest and in Transit (20%)
- Implement Performant and Reliable Mule Applications (27%)
- Expose Production-Ready Anypoint Platform Managed APIs (13%)
The complete, current topic list appears in the exam outline section above — review it before you start drilling the CertkingdomPDF practice questions.
Salesforce Certified MuleSoft Developer certification is required before taking this exam.
Eligibility rules do change, so confirm the current requirements on the official exam page before you apply: https://help.salesforce.com/s/articleView?id=005298955&language=en_US&type=1.
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 our money-back guarantee. Send a scanned copy of your exam enrollment slip together with the official Score Report PDF within 2 days of your exam date, and your claim will be processed within 7 days. Keep in mind that the candidate name must match the purchaser name, and the guarantee does not cover attempts made within 3 days of purchase, materials that were downloaded but never used in an actual exam sitting, free resources, or expired orders. If you would rather keep studying, you can swap the refund for two free exam products of equal value while keeping the update service on your original purchase. Delivery itself is instant: the files are emailed to you within one minute of payment (if nothing arrives within 2 hours, check your spam folder and contact our support team), and there is no limit on how many computers you install them on.
The passing score for the Mule-Dev-301 exam is 70%, and the official registration fee is USD 200. Remember that an unsuccessful attempt means paying the full USD 200 again to retake it, so booking too early is the expensive way to find out you are not ready. Test yourself with the CertkingdomPDF practice questions first; once you can clear 70% comfortably on timed runs, scheduling the real exam becomes a much safer bet.
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. 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. Set a flow variable and edit the log4j2.xml file to output the variable as part of the message pattern
- D. Use the Tracing module to set logging variables with a Mapped Diagnostic Context
Correct Answer: D 🗳️
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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. Create the Java code in your project and invoke the data from the code
- B. Refer to JAR files in the code
- C. Install the libraries in a local repository and refer to it in the pom.xml file
- D. Include the libraries while deploying the code into the runtime
Correct Answer: C 🗳️
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Which properties are mandatory on the HTTP Connector configuration in order to use the OAuth 2.0 Authorization Code grant type for authentication?
- A. External callback URL, access token URL, client ID, response refresh token
- B. External callback URL, access token URL, client ID, response access token
- C. External callback URL, access token URL, local authorization URL, authorization URL, client ID, client secret
- D. Token URL, authorization URL, client ID, client secret, local callback URL
Correct Answer: C 🗳️
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A healthcare portal needs to validate the token that it sends to a Mule API. The developer plans to implement a custom policy using the HTTP Policy Transform Extension to match the token received in the header from the healthcare portal.
Which files does the developer need to create in order to package the custom policy?
- A. XML template file, YAML configuration file
- B. Deployable ZIP file, YAML configuration file
- C. JSON properties file, YAML configuration file
- D. JSON properties file, XML template file
Correct Answer: A 🗳️
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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 ensures only authorized end users are allowed to access an endpoint
- C. Mutual TLS increases the encryption strength versus server-side TLS alone
- D. Mutual TLS authenticates the identity of the server before the identity of the client
Correct Answer: D 🗳️
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