Salesforce Mule-Dev-301 Q&A - in .pdf

  • Exam Code: Mule-Dev-301
  • Exam Name: Salesforce Certified MuleSoft Developer II
  • Updated: Jul 20, 2026
  • Q & A: 62 Questions and Answers
  • PDF Price: $59.98
  • Printable Salesforce Mule-Dev-301 PDF Format. It is an electronic file format regardless of the operating system platform.
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Salesforce Mule-Dev-301 Q&A - Testing Engine

  • Exam Code: Mule-Dev-301
  • Exam Name: Salesforce Certified MuleSoft Developer II
  • Updated: Jul 20, 2026
  • Q & A: 62 Questions and Answers
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Salesforce Mule-Dev-301 Exam Syllabus Topics:
SectionWeightObjectives
Topic 1: Design and Implement API-led Connectivity13%- Implement HTTP callbacks/webhooks
- Implement API autodiscovery
- Implement server-side caching
Topic 2: Implement Monitorable Mule Applications15%- Implement message correlation
- Implement logging and log management
- Expose health check endpoints
- Monitor applications and runtimes
Topic 3: Implement Maintainable and Modular Mule Applications and Maven Builds25%- Build custom policies and processors
- Execute tests with Maven
- Implement automated deployment
- Create reusable libraries
- Modularize applications and builds
Topic 4: Implement Performant and Reliable Mule Applications27%- Use ObjectStore for persistence
- Implement reliable messaging patterns
- Optimize performance and throughput
- Handle HTTP API invocations and errors
- Validate messages and payloads
Topic 5: Secure Data at Rest and in Transit20%- Expose and invoke APIs over HTTPS
- Manage keys and certificates
- Implement security policies
- Manage secure environment properties
Salesforce Certified MuleSoft Developer II Sample Questions:

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


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


3. A developer has created the first version of an API designed for business partners to work commodity prices.
What should developer do to allow more than one major version of the same API to be exposed by the implementation?

A) In Anypoint Studio, generate scaffolding from the RAML, and the modify the <http:listerner> in the generated flows to include a parameter to replace the version number
B) In Design Center, open the RAML and modify each operation to include the major version number
C) In Anypoint Studio, generate scaffolding from the RAML, and then modify the flow names generated by APIKit to include a variable with the major version number
D) In Design Center, open the RAML and modify baseUn to include a variable that indicates the version number


4. Two APIs are deployed to a two-node on-prem cluster. Due to a requirements change, the two APIs must communicate to exchange data asynchronously.

A) If the two APIs use the same domain, the VM Connector can be leveraged
B) It is not possible to use the VM Connector since the APIs are running in a cluster mode and each mode has it own set of VM Queues
C) Instead of using the VM Connector use <flow-ref>directly
D) The VM Connector is used to inter-application communication, so it is not possible to use the VM Connector


5. The Center for Enablement team published a common application as a reusable module to the central Nexus repository.
How can the common application be included in all API implementations?

A) Add a Maven dependency in the PCM file with multiple-plugin as <classifier>
B) Copy the common application's source XML file and out it in a new flow file in the src/main/mule folder
C) Download the common application from Naxus and copy it to the src/main/resources folder in the API
D) Add a Maven dependency in the POM file with jar as <classifier>


Solutions:

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

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