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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement Performant and Reliable Mule Applications | 27% | - Optimize reliability and performance
|
| Topic 2: Implement Maintainable and Modular Mule Applications and Their Maven Builds | 25% | - Implement modular Mule application structures
|
| Topic 3: Secure Data at Rest and in Transit | 20% | - Implement security best practices
|
| Topic 4: Expose Production-Ready Anypoint Platform Managed APIs | 13% | - Manage APIs with Anypoint Platform
|
| Topic 5: Implement Monitorable Mule Applications | 15% | - Implement monitoring and logging
|
>> 最新Salesforce Mule-Dev-301考古題 <<
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問題 #26
Refer to the exhibit.
A Mule application pom.xml configures the Maven Resources plugin to exclude parsing binary files in the project's src/main/resources/certs directory.
Which configuration of this plugin achieves a successful build?
答案：B
解題說明：
To configure the Maven Resources plugin to exclude parsing binary files in the project's src/main/resources/certs directory, option C should be used. This option specifies that any files with .cer or .jks extensions under the certs directory should be excluded from filtering. Filtering is a process of replacing placeholders with actual values in resource files during the build process. Binary files should not be filtered because they may become corrupted or unusable. Reference: https://maven.apache.org/plugins/maven-resources-plugin/examples/filter.html https://maven.apache.org/plugins/maven-resources-plugin/examples/include-exclude.html
問題 #27
Refer to the exhibit.
A developer generates the base scaffolding for an API in Anypoint Studio.
Which HTTP status code is returned while testing using the API Kit console if no values are entered in client- id and client-secret?
Exhibit:
答案：C
解題說明：
The RAML trait shown in the exhibit declares client_id and client_secret as headers and applies that trait to the /customers resource. Because these headers form part of the API contract, APIkit Router validates the inbound request against the specification before routing it to the generated implementation flow.
If the required request structure is not honored, APIkit raises an APIKIT:BAD_REQUEST error. MuleSoft's APIkit error-handling reference maps APIKIT:BAD_REQUEST directly to HTTP 400, and APIkit scaffolding generates the corresponding error-handling logic with httpStatus set to 400.
A 403 response would normally represent a request that was understood but rejected because of authorization.
That is not what is happening here: the request fails API contract validation before successful routing because required request information is absent. A 500 indicates an internal server failure, which is also inappropriate for malformed client input.
Therefore, when the API Console submits the request without the required header values, the APIkit- generated implementation treats it as a bad request and returns HTTP 400.
Reference topics: APIkit Router validation; RAML traits; required headers; APIKIT:BAD_REQUEST; APIkit-generated error handling.
Official documentation: https://docs.mulesoft.com/apikit/latest/apikit-error-handling-reference
問題 #28
A Mule application deployed to a standalone 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 not been consumed?
答案：B
解題說明：
VM Connector supports both transient and persistent asynchronous queues, and their recovery behavior differs fundamentally. MuleSoft specifies that transient queues provide better performance but are not reliable when the runtime or host fails. Persistent queues are slower because their content must be persisted, but they provide recovery across failures.
For a standalone Mule runtime, persistent VM queues serialize and store queued message data on disk.
Consequently, if the Mule runtime or underlying system stops before an in-flight queued message is consumed, the message can remain available and processing can resume after the runtime becomes operational again.
A transient queue stores its queued state in volatile runtime memory. A system failure destroys that state, so an unconsumed transient message cannot be assumed to survive restart.
Therefore, neither "all messages are lost" nor "all messages are recovered" accurately describes VM behavior; durability depends specifically on the queue type.
For workloads where asynchronous events must survive process or host failure in a supported standalone runtime architecture, a persistent VM queue is therefore the appropriate choice.
Reference topics: VM Connector; persistent queues; transient queues; asynchronous messaging; durability and recovery.
Official documentation: https://docs.mulesoft.com/vm-connector/latest/vm-reference
問題 #29
Which statement is true when using XML SDK for creating custom message processors?
答案：C
解題說明：
Option C is directly supported by the MuleSoft XML SDK documentation. MuleSoft defines an XML SDK property as a field supplied by an end user of the component that operates at the module configuration level.
Unlike an operation parameter, which applies to one operation invocation, properties configure the XML SDK component across the Mule project in which that configuration is used.
The other choices conflict with documented XML SDK behavior. XML SDK operations do not support recursive calls, so A is false. XML SDK provides outbound operations but does not provide inbound message sources such as schedulers, making B false.
Option D also requires correction. Current XML SDK versions support a visibility setting with values including PUBLIC and PRIVATE; the default is public, but operations are not universally required to remain public. MuleSoft's current XML SDK reference explicitly documents private operation visibility.
Therefore, C is the technically correct and directly documented statement. This is one question where the option selected in the supplied source should not be accepted without verification.
Reference topics: XML SDK Properties; Operations; module configuration; operation visibility; XML SDK limitations.
Official documentation: https://docs.mulesoft.com/mule-sdk/latest/xml-sdk Official documentation: https://docs.mulesoft.com/mule-sdk/latest/
問題 #30
Refer to the exhibits.
The HTTP Request operation raises an HTTP:CONNECTIVITY error.
Which HTTP status code and body are returned to the web client?
Exhibit:
答案：B
解題說明：
The HTTP Request raises HTTP:CONNECTIVITY, so processing moves to the flow's On Error Propagate handler. Inside that handler, the variable httpStatus is explicitly set to 200, and the payload is changed to
"Error in processing your request."
However, because the handler is On Error Propagate, the Mule event remains in an error state after the handler completes. Therefore, the HTTP Listener uses its configured Error Response, not its normal Response configuration.
The exhibit shows that the Error Response status code is:
#[vars.httpStatus]
and its body is explicitly:
output text/plain --- error.description
Consequently, the status code is 200 because the error handler assigned that value to vars.httpStatus, while the body comes from error.description, which contains the description of the HTTP:CONNECTIVITY error. The payload set inside the error handler is not the expression used by the listener's configured Error Response.
MuleSoft documents that unsuccessful listener executions use the error-response definition and that status, body, headers, and other fields can use flow variables and DataWeave expressions.
Reference topics: HTTP Listener Error Response; On Error Propagate; Mule error object; error.description; response status variables.
Official documentation: https://docs.mulesoft.com/http-connector/latest/http-listener-ref
問題 #31
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