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Salesforce Mule-Dev-301 Exam Syllabus Topics:

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

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Salesforce Certified MuleSoft Developer II Sample Questions (Q55-Q60):

NEW QUESTION # 55
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 accordingly.
Which configuration is required in Anypoint MQ to achieve this publish/subscribe model?

Answer: D

Explanation:
Anypoint MQ implements publish/subscribe fan-out by publishing a message to a message exchange and binding multiple queues to that exchange. Each subscribing application consumes from its own queue. As a result, a single gate-change event published by the Flight Management System can be copied to the Baggage Handler, Inflight Catering, and Passenger Notification queues independently.
MuleSoft documents that messages sent to an exchange are delivered to its bound queues and specifically describes exchanges as the mechanism for distributing one published message to multiple applications. A consumer does not directly consume from the exchange; consumption occurs from a queue. In fact, MuleSoft states that attempts to consume from a message exchange are rejected because the destination for consumption must be a queue.
Having all systems consume from one queue would instead create competing consumers: individual messages would normally be processed by one consumer rather than independently delivered to every subscribing system.
The required architecture is therefore: publisher # exchange # multiple bound queues # independent subscribers. This supplies asynchronous fan-out while preserving subscriber isolation and independent consumption.
Reference topics: Anypoint MQ exchanges; queue bindings; publish/subscribe; asynchronous event distribution.
Official documentation: https://docs.mulesoft.com/mq/
Official documentation: https://docs.mulesoft.com/mq/mq-exchanges


NEW QUESTION # 56
When a client and server are exchanging messages during the mTLS handshake, what is being agreed on during the cipher suite exchange?

Answer: D

Explanation:
A cipher suite is a set of cryptographic algorithms that are used to secure the communication between a client and a server. A cipher suite consists of four components: a key exchange algorithm, an authentication algorithm, an encryption algorithm, and a message authentication code (MAC) algorithm. During the cipher suite exchange, the client and the server agree on which encryption algorithm to use for encrypting and decrypting the data. Reference: https://docs.mulesoft.com/mule-runtime/4.3/tls-configuration#cipher-suites


NEW QUESTION # 57
Refer to the exhibit.

Based on the code snippet, schema,json file, and payload below, what is the outcome of the given code snippet when a request is sent with the payload?

Answer: B

Explanation:
Based on the code snippet, schema.json file, and payload below, the outcome of the given code snippet when a request is sent with the payload is that the Mule flow will throw the exception 'JSON:SCHEMA_NOT_HONOURED'. This is because the payload does not conform to the schema.json file, which specifies that age must be a number greater than or equal to zero. The payload has age as a string with a negative value, which violates the schema. Therefore, the validate-schema operation throws an error with type 'JSON:SCHEMA_NOT_HONOURED'. Reference: https://docs.mulesoft.com/json-module/1.1/json-validate-schema


NEW QUESTION # 58
Refer to the exhibit.
What is the result if "Insecure" is selected as part of the HTTP Listener configuration?
Exhibit:

Answer: C

Explanation:
The Insecure setting belongs to Mule's TLS truststore configuration. MuleSoft defines the insecure property as a Boolean that determines whether truststore validation is performed. When insecure="true", Mule stops performing certificate validation.
For an HTTP Listener operating as the TLS server, the truststore is used when validating certificates supplied by connecting clients. Therefore, disabling truststore validation means the listener does not enforce normal trust verification against the configured certificate authorities; effectively, certificates presented by HTTP clients are trusted without the standard certificate-chain validation represented by the truststore. This corresponds to option A.
Selecting Insecure does not convert HTTPS into plain HTTP, so option B is incorrect. It also does not itself enable mutual TLS. Full mutual TLS requires appropriate server key material and client-certificate authentication/trust configuration. Likewise, "Insecure" specifically concerns certificate validation; it should not be interpreted as a generic instruction to bypass every possible authentication mechanism applied to the API.
MuleSoft explicitly warns that this option creates a security vulnerability and is appropriate only for development or prototyping, not production.
Reference topics: TLS Context; Truststore; insecure; client-certificate validation; mutual TLS.
Official documentation: https://docs.mulesoft.com/mule-runtime/4.11/tls-configuration


NEW QUESTION # 59
When implementing a synchronous API where the event source is an HTTP Listener, a developer needs to return the same correlation ID back to the caller in the HTTP response header.
How can this be achieved?

Answer: C

Explanation:
When implementing a synchronous API where the event source is an HTTP Listener, Mule automatically propagates some message attributes between flows via outbound and inbound properties. One of these attributes is correlation ID, which is returned to the caller in the response header by default as MULE_CORRELATION_ID. Reference: https://docs.mulesoft.com/mule-runtime/4.3/about-mule-message#message-attributes


NEW QUESTION # 60
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