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Salesforce Mule-Dev-301 exam : Salesforce Certified MuleSoft Developer II
- Exam Code: Mule-Dev-301
- Exam Name: Salesforce Certified MuleSoft Developer II
- Updated: Oct 09, 2026
- Q & A: 62 Questions and Answers
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About Salesforce Mule-Dev-301 Exam Braindumps
Quality is a process, not a slogan: expert-written 62 practice questions, verified answers, and materials refined release after release. That is the standard behind the Exam4PDF Mule-Dev-301 package.
Salesforce Mule-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement Performant and Reliable Mule Applications | 27% | - Use ObjectStore for persistence - Handle HTTP API invocations and errors - Optimize performance and throughput - Validate messages and payloads - Implement reliable messaging patterns |
| Topic 2: Secure Data at Rest and in Transit | 20% | - Manage keys and certificates - Manage secure environment properties - Implement security policies - Expose and invoke APIs over HTTPS |
| Topic 3: Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement HTTP callbacks/webhooks - Implement server-side caching |
| Topic 4: Implement Monitorable Mule Applications | 15% | - Implement logging and log management - Monitor applications and runtimes - Expose health check endpoints - Implement message correlation |
| Topic 5: Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Build custom policies and processors - Execute tests with Maven - Create reusable libraries - Modularize applications and builds - Implement automated deployment |
Salesforce Certified MuleSoft Developer II Exam: Three Formats, Full Support
The official Salesforce Certified MuleSoft Developer II outline defines 5 domains. The leading three are Implement Monitorable Mule Applications (15%), Secure Data at Rest and in Transit (20%), and Implement Performant and Reliable Mule Applications (27%). The full list is in the topics section above, and Exam4PDF's 62 practice questions cover each one.
Recommended: Salesforce Certified MuleSoft Developer I or equivalent experience; 1+ year building Mule 4 applications Since requirements change over time, confirm the latest on the official Salesforce exam page before scheduling.
Online proctored or onsite testing center Register for the Salesforce Certified MuleSoft Developer II exam through these official channels:
After booking, Exam4PDF delivers your practice questions within 1 minute — preparation starts the same day.
The Mule-Dev-301 exam is a Salesforce certification exam validating the Salesforce Certified MuleSoft Developer II syllabus shown above. It belongs to these credential paths: Salesforce Certified MuleSoft Developer I, Salesforce Certified MuleSoft Architect. Candidates in 2026 start with Exam4PDF's 62 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
The Salesforce Certified MuleSoft Developer II exam contains 60-65 to complete within 120 minutes. Timed simulation in the Exam4PDF Desktop Test Engine teaches that rhythm before exam day does.
Exam4PDF issues a full refund if you take the Salesforce Certified MuleSoft Developer II exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The Salesforce Certified MuleSoft Developer II exam requires 70% to pass, and registration costs $400 USD. A failed attempt means paying the same fee again — a readiness check with the Exam4PDF engines before booking is the cheaper option.
Salesforce recommends these training resources for the Salesforce Certified MuleSoft Developer II exam:
Follow the training with steady self-testing — the 62 practice questions from Exam4PDF help you apply theory and fill any gaps the training leaves.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 62 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Salesforce Certified MuleSoft Developer II Sample Questions:
Question #1
A Mule application includes a subflow containing a Scatter-Gather scope. Within each leg of the Scatter- Gather, an HTTP connector calls a PUT endpoint to modify records in different upstream systems. The subflow is called from inside an Until Successful scope to retry if a transient exception is raised.
A technical spike is being performed to increase reliability of the Mule application.
Which steps should be performed within the Mule flow above to ensure idempotent behavior?
- A. None; the flow already exhibits idempotent behavior
- B. Change the PUT requests inside the Scatter-Gather to POST requests
- C. Remove the PUT requests from the Scatter-Gather and perform them sequentially
- D. Ensure an error-handling flow performs corrective actions to roll back all changes if any leg of the Scatter-Gather fails
Correct Answer: A 🗳️
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Question #2
A new Mule project has been created in Anypoint Studio with the default settings.
Which file inside the Mule project must be modified before using Maven to successfully deploy the application?
- A. config.yaml
- B. pom.xml
- C. settings.xml
- D. mule-artifact.json
Correct Answer: B 🗳️
Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).
Question #3
Refer to the exhibit.
A developer generates the base scaffolding for an API in Anypoint Studio.
Which HTTP status code is returned while testing using the API Kit console if no values are entered in client- id and client-secret?
Exhibit:
- A. HTTP status code: 500
- B. HTTP status code: 403
- C. HTTP status code: 200
- D. HTTP status code: 400
Correct Answer: D 🗳️
Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).
Question #4
An API has been developed and deployed to CloudHub. Among the policies applied to this API is an allowlist of IP addresses. A developer wants to run a test in Anypoint Studio and does not want any policies applied because their workstation is not included in the allowlist.
What must the developer do in order to run this test locally without the policies applied?
- A. Pass in the runtime parameter "-Danypoint.platform.gatekeeper=disabled"
- B. Deactivate the API in API Manager so the Autodiscovery element will not find the application when it runs in Studio
- C. Create a properties file specifically for local development and set the API instance ID to a value that is not used in API Manager
- D. Run the test as-is, with no changes, because the Studio runtime will not attempt to connect to API Manager
Correct Answer: C 🗳️
Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).
Question #5
A Mule application exposes an API for creating payments. An Operations team wants to ensure that the Payments API is up and running at all times in production.
Which approach should be used to test that the Payments API is working in production?
- A. Monitor the Payments API directly, sending real customer payment data
- B. Create a health check endpoint that listens on a separate port and uses a separate HTTP Listener configuration from the API
- C. Configure the application to send health data to an external system
- D. Create a health check endpoint that reuses the same port number and HTTP Listener configuration as the API itself
Correct Answer: D 🗳️
Explanation: Only visible for Exam4PDF members. You can sign-up / login (it's free).
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