Salesforce Certified MuleSoft Developer II (Mule-Dev-301)
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Exam Code
Salesforce-MuleSoft-Developer-II
Exam Name
Salesforce Certified MuleSoft Developer II (Mule-Dev-301)
Questions
60 Questions Answers With Explanation
Update Date
04, 29, 2026
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A company has been using CI/CD. Its developers use Maven to handle build anddeployment activities.What is the correct sequence of activities that takes place during the Maven build anddeployment?
A. Initialize, validate, compute, test, package, verify, install, deploy B. Validate, initialize, compile, package, test, install, verify, verify, deploy C. Validate, initialize, compile, test package, verify, install, deploy D. Validation, initialize, compile, test, package, install verify, deploy
Answer: C
Explanation: The correct sequence of activities that takes place during the Maven build
and deployment is validate, initialize, compile, test package, verify, install, deploy. These
are Maven lifecycle phases that define a sequence of goals to execute during a build
process. Each phase represents a stage in the build lifecycle and can have zero or more
Which configurations are required for HTTP Listener to enable mTLS authentication?
A. Set an appropriate reconnection strategy and use persistent connections for the listener B. Set an appropriate keystore configuration and use persistent connections for the listener C. Set an appropriate keystore and truststore configuration for the listener D. Set an appropriate truststore configuration and reconnection strategy for the listener
Answer: C
Explanation: To enable mTLS authentication for HTTP Listener, the developer needs to
set an appropriate keystore and truststore configuration for the listener. The keystore
contains the certificate and private key of the Mule application that are used to prove its
identity to clients. The truststore contains the certificates of trusted clients that are allowed
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?
A. Enable the auto-generate CorrelationID option when scaffolding the flow B. Enable the CorrelationID checkbox in the HTTP Listener configuration C. Configure a custom correlation policy D. NO action is needed as the correlation ID is returned to the caller in the response header by default
Answer: D
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.
A Mule application includes a subflow containing a Scatter.Gather scope. Within each log of the Scatter.Gatter. an HTTP connector calls a PUT endpoint to modify records in different upstream system. The subflow is called inside an Unit successful scope to retry if a transitory exception is raised. A technical spike is being performed to increase reliability of the Mule application. Which steps should be performed within the Mule flow above the ensure idempontent behavior?
A. Change the PUT requests inside the Scatter-Gather to POST requests B. Ensure an error-handling flow performs corrective actions to roll back all changes if any leg of the Scatter-Gather fails C. Remove the Put requests from the Scatter-Getter and perform them sequentially D. None, the flow already exhibits idempotent behavior
Answer: B
Explanation: To ensure idempotent behavior within a Mule flow that contains a subflow
with a Scatter-Gather scope, the developer should ensure an error-handling flow performs
corrective actions to roll back all changes if any leg of the Scatter-Gather fails.
Idempotency means that multiple identical requests have the same effect as a single
request. Therefore, if one of the HTTP requests inside the Scatter-Gather fails, the errorhandling
flow should undo any changes made by other successful requests to ensure
A company deploys 10 public APIs to CloudHub. Each API has its individual healthendpoint defined. The platform operation team wants to configure API FunctionalMonitoring to monitor the health of the APIs periodically while minimizing operationaloverhead and cost.How should API Functional Monitoring be configured?
A. From one public location with each API in its own schedule B. From one private location with all 10 APIs in a single schedule C. From one public location with all 10 APIs in a single schedule D. From 10 public locations with each API in its own schedule
Answer: C
Explanation: To configure API Functional Monitoring to monitor the health of 10 public
APIs periodically while minimizing operational overhead and cost, the developer should use
one public location with all 10 APIs in a single schedule. A public location is a worker that
runs in a CloudHub shared environment, which is cheaper and easier to maintain than a
private location. A single schedule allows running all 10 APIs tests at the same time and
frequency, which reduces complexity and resource consumption. References:
A system API that communicates to an underlying MySQL database is deploying toCloudHub. The DevOps team requires a readiness endpoint to monitor all system APIs.Which strategy should be used to implement this endpoint?
A. Create a dedicated endpoint that responds with the API status and reachability of the underlying systems B. Create a dedicated endpoint that responds with the API status and health of the server C. Use an existing resource endpoint of the API D. Create a dedicated endpoint that responds with the API status only
Answer: A
Explanation: To implement a readiness endpoint to monitor all system APIs, the developer
should create a dedicated endpoint that responds with the API status and reachability of
the underlying systems. This way, the DevOps team can check if the system API is ready
to receive requests and if it can communicate with its backend systems without errors.
A company with MuleSoft Titanium develops a Salesforce System API using MuleSoft outof-the-box Salesforce Connector and deploys the API to CloudHub.Which steps provide the average number of requests and average response time of theSalesforce Connector?
A. Access Anypoint Monitoring’s built-in dashboard. Select a resource. Locate the information under the Connectors tab. B. Access Anypoint Monitoring’s built-in dashboard Seclect a resource. Create a custom dashboard to retrieve the information. C. Access Anypoint Monitoring built-in dashboard. Select a resource. Locate the information under Log Manager < Raw Data. D. Change the API Implementation to capture the information in the log. Retrieve the information from the log file.
Answer: A
Explanation: To get the average number of requests and average response time of the
Salesforce Connector, the developer should access Anypoint Monitoring’s built-in
dashboard, select a resource (such as an application or an API), and locate the information
under the Connectors tab. The Connectors tab shows metrics for each connector used by
the resource, such as average requests per minute, average response time, and failures.
A developer is working on a project that requires encrypting all data before sending it to abackend application. To accomplish this, the developer will use PGP encryption in the Mule4 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 public key from the backend service to encrypt the data D. The application needs the private key from the backend service to encrypt the data
Answer: C
Explanation: To encrypt the data before sending it to the backend application using PGP
encryption, the application needs the public key from the backend service. PGP encryption
uses a public-key cryptography system, which means that each party has a pair of keys: a
public key and a private key. The public key is used to encrypt data, and the private key is
used to decrypt data. Therefore, to encrypt data for a specific recipient (the backend
service), the application needs to use the recipient’s public key. The recipient can then use
A new Mule project has been created in Anypoint Studio with the default settings. Which file inside the Mule project must be modified before using Maven to successfully deploy the application?
A. Settings.xml B. Config.yaml C. Pom.xml D. Mule.artificact.json
Answer: C
Explanation: To use Maven to successfully deploy the application, the developer needs to
modify the pom.xml file inside the Mule project. The pom.xml file contains the configuration
and dependencies of the Mule application, as well as the deployment information such as
the CloudHub region, environment, and worker size. The developer needs to specify these
properties in the pom.xml file before using Maven to deploy the application. References:
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. Configure retrying until a MULERETRY_EXHAUSTED error is raised or the API responds back with a successful response. B. In Until Successful configuration, set the retry count to 1 for error type HTTP: UNAUTHORIZED. C. 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. D. 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.
Answer: C
Explanation: To handle a permanent error response like HTTP:UNAUTHORIZED inside
Until Successful, the developer should put the HTTP Request inside a try scope in Unit
Successful, and use On Error Continue to catch permanent errors like HTTP
UNAUTHORIZED in the error handler. This way, the developer can avoid retrying requests
that will always fail due to a permanent error, and reduce latency. On Error Continue allows
the flow to continue processing after handling the error. References:
In a Mule project, Flow-1 contains a flow-ref to Flow-2 depends on data from Flow-1 toexecute successfully.Which action ensures the test suites and test cases written for Flow-1 and Flow-2 willexecute successfully?
A. Chain together the test suites and test cases for Flow-1 and Flow-2 B. Use ‘’Set Event to pass the input that is needed, and keep the test cases for Flow-1 andFlow-2 independent C. Use ‘’Before Test Case’’ To collect data from Flow-1 test cases before running Flow-2test cases D. Use ‘After Test Case’ to produce the data needed from Flow-1 test cases to pass toFlow-2 test cases
Answer: B
Explanation: To ensure the test suites and test cases written for Flow-1 and Flow-2 will execute successfully, the developer should use a Set Event processor to pass the input
that is needed by Flow-2, and keep the test cases for Flow-1 and Flow-2 independent. This
way, the developer can isolate the testing of each flow and avoid coupling them together.
A custom policy needs to be developed to intercept all cutbound HTTP requests made by Mule applications.Which XML element must be used to intercept outbound HTTP requests?
A. It is not possible to intercept outgoing HTTP requests, only inbound requests B. http-policy:source C. htt-policy:operation D. http-policy:processor
Answer: B
Explanation: The http-policy:processor element is used to intercept outbound HTTP
requests made by Mule applications. It allows customizing the request before it is sent to
the target API and modifying the response after it is received from the target API.
Which pattern should be used to invoke multiple HTTP APIs in parallel and roll back failedrequests in sequence?
A. A database as a transactional outbox and an Until Successful router to retry anyrequests B. A Parallel for Each scope with each HTTP request wrapped in a Try scope C. Scatter-Gather as central Saga orchestrator for all API request with compensatingactions for failing routes D. VM queues as a reliability pattern with error handlers to roll back any requests
Answer: C
Explanation: To invoke multiple HTTP APIs in parallel and roll back failed requests in
sequence, the developer should use a Scatter-Gather router as a central Saga orchestrator
for all API requests with compensating actions for failing routes. A Scatter-Gather router
executes multiple routes concurrently and aggregates the results. A Saga orchestrator
coordinates a series of actions across different services and handles failures by executing
compensating actions. Therefore, using a Scatter-Gather router as a Saga orchestrator allows invoking multiple HTTP APIs in parallel and rolling back any failed requests in
A mule application exposes and API for creating payments. An Operations team wants toensure 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 separateHTTP Listener configuration from the API 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 Listenerconfiguration as the API itself D. Monitor the Payment API directly sending real customer payment data
Answer: A
Explanation: To test that the payment API is working in production, the developer should
create a health check endpoint that listens on a separate port and uses a separate HTTP
Listener configuration from the API. This way, the developer can isolate the health check
endpoint from the API traffic and avoid affecting the performance or availability of the API.
The health check endpoint should return a simple response that indicates the status of the
Feedback That Matters: Reviews of Our Salesforce Salesforce-MuleSoft-Developer-II Dumps
Vicky ThakkarApr 30, 2026
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