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Salesforce Mule-Dev-301 Questions & Answers - in .pdf

Mule-Dev-301 pdf
  • Total Q&A: 62
  • Update: Sep 30, 2026
  • Price: $59.99
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  • Vendor: Salesforce
  • Exam Code: Mule-Dev-301
  • Exam Name: Salesforce Certified MuleSoft Developer II
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Salesforce Mule-Dev-301 Q&A - Testing Engine

Mule-Dev-301 Study Guide
  • Total Q&A: 62
  • Update: Sep 30, 2026
  • Price: $59.99
Testing Engine
  • Vendor: Salesforce
  • Exam Code: Mule-Dev-301
  • Exam Name: Salesforce Certified MuleSoft Developer II
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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
Real Exam Qty:60-65
Exam Format:Multiple Select, Multiple Choice
Available Languages:Japanese, English
Exam Duration:120 minutes
Related Certifications:Salesforce Certified MuleSoft Platform Integration Architect
Salesforce Certified MuleSoft Developer
Salesforce Certified MuleSoft Platform Architect
Passing Score:70%
Exam Price:USD 200
Sample Questions:Salesforce Mule-Dev-301 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:

SectionWeightObjectives
Implement Performant and Reliable Mule Applications27%- Optimize reliability and performance
  • 1. Implement ObjectStore persistence
  • 2. Build fault-tolerant message processing
  • 3. Implement performant API invocations
  • 4. Implement asynchronous processing
  • 5. Validate assertions using validation modules
Implement Maintainable and Modular Mule Applications and Their Maven Builds25%- Implement modular Mule application structures
  • 1. Optimize Maven build configurations
  • 2. Create custom API rules
  • 3. Implement Maven-based automated deployments
  • 4. Execute MUnit tests with Maven
  • 5. Implement unit testing with MUnit framework
Expose Production-Ready Anypoint Platform Managed APIs13%- Manage APIs with Anypoint Platform
  • 1. Implement API versioning
  • 2. Implement HTTP callbacks
  • 3. Request and manage API access
  • 4. Configure API policies
  • 5. Implement server-side API caching
Implement Monitorable Mule Applications15%- Implement monitoring and logging
  • 1. Change log levels dynamically
  • 2. Implement monitoring dashboards and alerts
  • 3. Expose health check endpoints
  • 4. Configure and evaluate application logs
Secure Data at Rest and in Transit20%- Implement security best practices
  • 1. Secure sensitive data in Mule applications
  • 2. Implement TLS mutual authentication
  • 3. Expose APIs over HTTPS
  • 4. Implement secure property management
  • 5. Create and distribute certificates and keys

Salesforce Certified MuleSoft Developer II Sample Questions:

Question #1
A Mule implementation uses a HTTP Request within an Unit Successful scope to connect to an API.
How should a permanent error response like HTTP:UNAUTHORIZED be handle inside Until Successful to reduce latency?

A. Put the HTTP Request inside a try scope in Unit 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 Unit 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. Configure retrying until a MULERETRY_EXHAUSTED error is raised or the API responds back with a successful response.


Question #2
A scatter-gather router is configured with four routes:Route A, B, C and D.
Route C false.

A. Payload failures['2']
B. Payload ['2']
C. Error,errorMessage,payload.failures['2']
D. Error,errorMesage.payload.results ['2']


Question #3
An order processing system is composed of multiple Mule application responsible for warehouse, sales and shipping. Each application communication using Anypoint MQ. Each message must be correlated against the original order ID for observability and tracing.
How should a developer propagate the order ID as the correlation ID across each message?

A. Use the underlying HTTP request of Anypoint MQ to set the 'X-CORRELATION_ID' header to the order ID
B. Wrap all Anypoint MQ Publish operations within a With CorrelationID scope from the Tracing module, setting the correlation ID to the order ID
C. Use the default correlation ID, Anypoint MQ will sutomatically propagate it.
D. Set a custom Anypoint MQ user property to propagate the order ID and set the correlation ID in the receiving applications.


Question #4
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. Create a health check endpoint that listens on a separate port and uses a separate HTTP Listener configuration from the API
B. Configure the application to send health data to an external system
C. Monitor the Payment API directly sending real customer payment data
D. Create a health check endpoint that reuses the same port number and HTTP Listener configuration as the API itself


Question #5
A Mule application defines as SSL/TLS keystore properly 'tis,keystore.keyPassword'' as secure.
How can this property be referenced to access its value within the application?

A. #{secure::tiskeystore,keyPassowrd}
B. ${secure::tiskeystore,keyPassowrd}
C. p{secure::tiskeystore,keyPassowrd}
D. ${secure::tiskeystore,keyPassowrd}


Solutions:

Question #1
Correct Answer: A
Question #2
Correct Answer: D
Question #3
Correct Answer: B
Question #4
Correct Answer: A
Question #5
Correct Answer: B

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Mule-Dev-301 Related Exams
Salesforce-MuleSoft-Developer-I - Salesforce Certified MuleSoft Developer (Mule-Dev-201)
MuleSoft-Integration-Associate - Salesforce Certified MuleSoft Integration Associate Exam
Mule-Con-201 - Salesforce Certified MuleSoft Catalyst Consultant
Mule-Arch-201 - Salesforce Certified MuleSoft Platform Architect
MuleSoft-Integration-Architect-I - Salesforce Certified MuleSoft Integration Architect I
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