A better life is built from better qualifications, and better qualifications are built from honest preparation. TestsDumps handles the materials for the Mule-Dev-301 exam: 62 practice questions, three formats, updates free for 365 days.
Salesforce Mule-Dev-301 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Secure Data at Rest and in Transit | 20% | - Manage keys and certificates - Manage secure environment properties - Expose and invoke APIs over HTTPS - Implement security policies |
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Implement automated deployment - Create reusable libraries - Build custom policies and processors - Execute tests with Maven - Modularize applications and builds |
| Implement Monitorable Mule Applications | 15% | - Implement message correlation - Monitor applications and runtimes - Expose health check endpoints - Implement logging and log management |
| Implement Performant and Reliable Mule Applications | 27% | - Handle HTTP API invocations and errors - Optimize performance and throughput - Validate messages and payloads - Implement reliable messaging patterns - Use ObjectStore for persistence |
| Design and Implement API-led Connectivity | 13% | - Implement HTTP callbacks/webhooks - Implement API autodiscovery - Implement server-side caching |
Mule-Dev-301 Exam FAQ: From Sample to Purchase
The official Salesforce Certified MuleSoft Developer II outline defines 5 domains. The leading three are Implement Maintainable and Modular Mule Applications and Maven Builds (25%), Implement Performant and Reliable Mule Applications (27%), and Secure Data at Rest and in Transit (20%). The full list is in the topics section above, and TestsDumps's 62 practice questions cover each one.
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. In a crowded 2026 job market, the credential demonstrates ability visibly — and TestsDumps prepares candidates with 62 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
TestsDumps 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.
Online proctored or onsite testing center Register for the Salesforce Certified MuleSoft Developer II exam through these official channels:
After booking, TestsDumps delivers your practice questions within 1 minute — preparation starts the same day.
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 TestsDumps engines before booking is the cheaper option.
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 that simulates the real exam with two practice modes and 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 — pushed to you automatically whenever the bank is revised — plus a 50% renewal discount afterward and unlimited computer installations.
The Salesforce Certified MuleSoft Developer II exam contains 60-65 to complete within 120 minutes. Timed simulation in the TestsDumps Desktop Test Engine teaches that rhythm before exam day does.
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 TestsDumps help you apply theory and fill any gaps the training leaves.
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.
Salesforce Certified MuleSoft Developer II Sample Questions:
Refer to the exhibits.
The flow name is "implementation" with code for the MUnit test case.
When the MUnit test case is executed, what is the expected result?
Exhibit:
- A. The test case passes
- B. The test case fails with an unexpected error type
- C. The test case fails with an assertion error
- D. The test case throws an error and does not start
Correct Answer: A 🗳️
Explanation: Only visible for TestsDumps members. You can sign-up / login (it's free).
Which pattern can a web API use to notify its client of state changes as soon as they occur?
- A. Shared database trigger
- B. HTTP Webhook
- C. ETL data load
- D. Schedule Event Publisher
Correct Answer: B 🗳️
Explanation: Only visible for TestsDumps members. You can sign-up / login (it's free).
Refer to the exhibit.
What required changes can be made to give a partial successful response in case the United Airlines API returns with a timeout?
Exhibit:
- A. Add Flow Reference components inside a Try scope. Set the payload to a default value "" inside the error handler using the On Error Continue scope.
- B. Add Flow Reference components inside a Try Scope. Set the payload to a default value "" inside the error handler using the On Error Propagate scope.
- C. Add a Scatter-Gather component inside a Try Scope. Set the payload to a default value "Error" inside the error handler using the On Error Propagate scope.
- D. Add a Scatter-Gather component inside a Try Scope. Set the payload to a default value "Error" inside the error handler using the On Error Continue scope.
Correct Answer: A 🗳️
Explanation: Only visible for TestsDumps members. You can sign-up / login (it's free).
A Mule implementation uses an HTTP Request within an Until Successful scope to connect to an API.
How should a permanent error response like HTTP:UNAUTHORIZED be handled inside Until Successful to reduce latency?
- A. Put the HTTP Request inside a try scope in Until Successful. In the error handler, use On Error Continue to catch permanent errors like HTTP:UNAUTHORIZED.
- B. Put the HTTP Request inside a try scope in Until Successful. In the error handler, use On Error Propagate to catch permanent errors like HTTP:UNAUTHORIZED.
- C. In Until Successful configuration, set the retry count to 1 for error type HTTP:UNAUTHORIZED.
- D. Continue retrying until a MULE:RETRY_EXHAUSTED error is raised or the API responds back with a successful response.
Correct Answer: A 🗳️
Explanation: Only visible for TestsDumps members. You can sign-up / login (it's free).
A developer is working on a project that requires encrypting all data before sending it to a backend application. To accomplish this, the developer will use PGP encryption in the Mule 4 Cryptography module.
What is required to encrypt the data before sending it to the backend application?
- A. The application needs both the private and public keys to encrypt the data
- B. The application needs the private key from the backend service to encrypt the data
- C. The application needs the public key from the backend service to encrypt the data
- D. The application needs to configure HTTPS TLS context information to encrypt the data
Correct Answer: C 🗳️
Explanation: Only visible for TestsDumps members. You can sign-up / login (it's free).
Viewing page 1 out of 13 pages.
Viewing questions 1-5 out of 62 questions.
Kent 
Cornell 
Vivian 
Xavier 
Kyle 
Felix 
Archibald 
Muriel 
Elliot 
Lawrence 
Dorothy 
Marshall 
Fitch 
Michell 
Les 
Mark 
Cyril 
Bonnie 
Isaac 
