Salesforce Certified MuleSoft Developer II : Mule-Dev-301

Mule-Dev-301 real exams

Exam Code: Mule-Dev-301

Exam Name: Salesforce Certified MuleSoft Developer II

Updated: Aug 26, 2026

Q & A: 62 Questions and Answers

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Salesforce Mule-Dev-301 Exam Syllabus Topics:

SectionWeightObjectives
Secure Data at Rest and in Transit20%- Implement security policies
- Manage secure environment properties
- Expose and invoke APIs over HTTPS
- Manage keys and certificates
Implement Monitorable Mule Applications15%- Monitor applications and runtimes
- Implement message correlation
- Expose health check endpoints
- Implement logging and log management
Implement Maintainable and Modular Mule Applications and Maven Builds25%- Modularize applications and builds
- Create reusable libraries
- Execute tests with Maven
- Build custom policies and processors
- Implement automated deployment
Design and Implement API-led Connectivity13%- Implement server-side caching
- Implement HTTP callbacks/webhooks
- Implement API autodiscovery
Implement Performant and Reliable Mule Applications27%- Validate messages and payloads
- Handle HTTP API invocations and errors
- Implement reliable messaging patterns
- Use ObjectStore for persistence
- Optimize performance and throughput

Salesforce Certified MuleSoft Developer II Sample Questions:

1. The HTTP Request operation raises an HTTP CONNECTIVITY error.
Which HTTP status code and body are returned to the web client?

A) HTTP Status Code:500.
Body 'Error in processing your request
B) HTTP Status Code:500.
Body 'The HTTP CONNECTIVITY Error description
C) HTTP Status Code:200.
Body 'Error in processing your request
D) HTTP Status Code:500.
Body 'Error in processing your request


2. A Flight Management System publishes gate change notification events whenever a flight's arrival gate changes. Other systems, including Baggage Handler System. Inflight Catering System and Passenger Notifications System, must each asynchronously receive the same gate change notification to process the event according.
Which configuration is required in Anypoint MQ to achieve this publish/subscribe model?

A) Publish each client subscribe directly to the exchange.
Have each client subscribe directly to the queue.
B) Publish the gate change notification to an Anypoint MC queue
Have each client subscribe directly to the queue
C) Publish the gate change notification to an Anypoint MQ queue.
Create different anypoint MQ exchange meant for each of the other subscribing systems Bind the queue with each of the exchanges
D) Publish the gate change notification to an Anypoint MQ exchanhe.
Create different Anypoint MQ queues meant for each of the other subscribing systems.Bind the exchange with each of the queues.


3. What is the MuleSoft recommended method to encrypt sensitive property data?

A) The encryption key should be identical for all environments
B) The encryption key should be identical for all environments and the sensitive data should be different for each environment
C) The encryption key should be different for each environment and the sensitive data should be the same for all environments
D) The encryption key and sensitive data should be different for each environment


4. An API has been built to enable scheduling email provider. The front-end system does very little data entry validation, and problems have started to appear in the email that go to patients. A validate-customer'' flow is added validate the data.
What is he expected behavior of the 'validate-customer'' flow?

A) If only the email address Is invalid a VALIDATION.INVALID_EMAIL error is raised
B) If all of the values are invalid the last validation error is raised:SCHEDULE:INVALID_CUSTOMER_NAME
C) If the email address is invalid, processing continues to see if the appointment data and customer name are also invalid
D) If the appointment date and customer name are invalid, a SCHEDULE:INVALID_APPOINTMENT_DATE error is raised


5. A Mule application deployed to a standardalone Mule runtime uses VM queues to publish messages to be consumed asynchronously by another flow.
In the case of a system failure, what will happen to in-flight messages in the VM queues that have been consumed?

A) For persistent queues, the message will be processed after the system comes online
B) For transient queues, the message will be processed after the system comes online
C) For nay type of queue, the message will be processed after the system comes online
D) For any type of queue, the message will be lost


Solutions:

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

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