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Salesforce Mule-Dev-301

Mule-Dev-301

Exam Code: Mule-Dev-301

Exam Name: Salesforce Certified MuleSoft Developer II

Updated: Aug 08, 2026

Q&A Number: 62 Q&As

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Salesforce Mule-Dev-301 Exam Syllabus Topics:

SectionObjectives
Integration and API-led Connectivity- System, Process, and Experience APIs design
- API-led connectivity principles
DataWeave and Data Transformation- Mapping, filtering, and payload manipulation
- DataWeave scripting and transformations
Security and Governance- API policies and security enforcement
- Authentication and authorization mechanisms
Error Handling and Troubleshooting- Exception handling strategies in Mule applications
- Debugging and logging techniques
Deployment and Testing- Unit testing and integration testing approaches
- Deployment strategies across environments
Anypoint Platform Development- Mule application development
- Anypoint Studio usage and project structure

Salesforce Certified MuleSoft Developer II Sample Questions:

1. 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) Monitor the Payment API directly sending real customer payment data
B) Configure the application to send health data to an external system
C) Create a health check endpoint that reuses the same port number and HTTP Listener configuration as the API itself
D) Create a health check endpoint that listens on a separate port and uses a separate HTTP Listener configuration from the API


2. 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 to configure HTTPS TLS context information to encrypt the data
B) The application needs to both the private and public keys to encrypt the data
C) The application needs the private key from the backend service to encrypt the data
D) The application needs the public key from the backend service to encrypt the data


3. A company has been using CI/CD. Its developers use Maven to handle build and deployment activities.
What is the correct sequence of activities that takes place during the Maven build and deployment?

A) Validation, initialize, compile, test, package, install verify, deploy
B) Initialize, validate, compute, test, package, verify, install, deploy
C) Validate, initialize, compile, test package, verify, install, deploy
D) Validate, initialize, compile, package, test, install, verify, verify, deploy


4. Refer to the exhibit.

The flow name is ''implementation'' with code for the MUnit test case.
When the MUnit test case is executed, what is the expected result?

A) The test case fails with an assertion error
B) The test throws an error and does not start
C) The test case passes
D) The test case fails with an unexpected error type


5. 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) Use the Tracing module to set logging variables with a Mapped Diagnostic Context
B) Use flow variables within every logger processor to log the order ID
C) Set a flow variable and edit the log4/2.xml file to output the variable as part of the message pattern
D) Create a custom XML SDK component to wrap the logger processor and automatically add the order ID within the connector


Solutions:

Question # 1
Answer: D
Question # 2
Answer: D
Question # 3
Answer: C
Question # 4
Answer: A
Question # 5
Answer: A

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