Salesforce Mule-Dev-301퍼펙트덤프최신문제, Mule-Dev-301시험대비공부하기

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Salesforce Mule-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Expose Production-Ready Anypoint Platform Managed APIs	13%	- Manage APIs with Anypoint Platform 1. Implement server-side API caching 2. Implement API versioning 3. Request and manage API access 4. Implement HTTP callbacks 5. Configure API policies
Implement Maintainable and Modular Mule Applications and Their Maven Builds	25%	- Implement modular Mule application structures 1. Optimize Maven build configurations 2. Implement unit testing with MUnit framework 3. Create custom API rules 4. Execute MUnit tests with Maven 5. Implement Maven-based automated deployments
Implement Monitorable Mule Applications	15%	- Implement monitoring and logging 1. Implement monitoring dashboards and alerts 2. Expose health check endpoints 3. Configure and evaluate application logs 4. Change log levels dynamically
Implement Performant and Reliable Mule Applications	27%	- Optimize reliability and performance 1. Implement asynchronous processing 2. Implement ObjectStore persistence 3. Build fault-tolerant message processing 4. Validate assertions using validation modules 5. Implement performant API invocations
Secure Data at Rest and in Transit	20%	- Implement security best practices 1. Expose APIs over HTTPS 2. Implement secure property management 3. Create and distribute certificates and keys 4. Secure sensitive data in Mule applications 5. Implement TLS mutual authentication

>> Salesforce Mule-Dev-301퍼펙트 덤프 최신문제 <<

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최신 Salesforce MuleSoft Mule-Dev-301 무료샘플문제 (Q40-Q45):

질문 # 40
A Mule application needs to invoke an API hosted by an external system to initiate a process. The external API takes anywhere between one minute and 24 hours to complete its process.
Which implementation should be used to get response data from the external API after it completes processing?

A. Use an HTTP Connector to invoke the API and wait for a response
B. Use an HTTP Connector inside Async scope to invoke the API and wait for a response
C. Expose an HTTP callback API in Mule and register it with the external system
D. Use a Scheduler to check for a response every minute

정답：C

설명：
A process that can require up to 24 hours is inherently asynchronous. The initiating Mule application should not keep an HTTP connection open until the remote system completes. Instead, Mule should initiate the process, return or continue independently, and expose an HTTP callback endpoint that the external system invokes when processing finishes.
The callback URL is registered with the external system so that completion data can be pushed back to Mule.
This separates request initiation from completion notification and avoids tying up network connections or execution resources for an unpredictable duration. Callback-based processing is a standard asynchronous integration mechanism; MuleSoft documentation uses callback endpoints extensively where a remote system must later contact a Mule application.
Polling every minute is inefficient over a possible 24-hour interval and can generate large volumes of unnecessary requests. An Async scope does not transform a fundamentally synchronous HTTP request into a
24-hour callback model; the downstream HTTP connection would still be governed by response and connection timeout behavior. Waiting synchronously is even less appropriate.
Therefore, exposing a Mule HTTP callback API and registering it with the external system provides the most scalable and reliable architecture.
Reference topics: asynchronous integration; callback APIs; HTTP Listener; long-running processes; event- driven completion notification.
Official documentation: https://docs.mulesoft.com/http-connector/latest/http-authentication

질문 # 41
Which type of cache invalidation does the Cache scope support without having to write any additional code?

A. Write-through invalidation
B. Notification-based invalidation
C. White-behind invalidation
D. Time to live

정답：D

설명：
The Cache scope supports time to live (TTL) as a cache invalidation strategy without having to write any additional code. TTL specifies how long the cached response is valid before it expires and needs to be refreshed. The Cache scope also supports custom invalidation strategies using MEL or DataWeave expressions. Reference: https://docs.mulesoft.com/mule-runtime/4.3/cache-scope#cache_invalidation

질문 # 42
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. Wrap all Anypoint MQ Publish operations within a With CorrelationID scope from the Tracing module, setting the correlation ID to the order ID
B. Use the default correlation ID, Anypoint MQ will sutomatically propagate it.
C. Set a custom Anypoint MQ user property to propagate the order ID and set the correlation ID in the receiving applications.
D. Use the underlying HTTP request of Anypoint MQ to set the 'X-CORRELATION_ID' header to the order ID

정답：A

설명：
To propagate the order ID as the correlation ID across each message using Anypoint MQ, the developer should wrap all Anypoint MQ Publish operations within a With CorrelationID scope from the Tracing module, setting the correlation ID to the order ID. The With CorrelationID scope allows setting a custom correlation ID for any event that occurs within it. The Tracing module also enables distributed tracing across different Mule applications and services using Anypoint Monitoring. Reference: https://docs.mulesoft.com/tracing-module/1.0/tracing-module-reference#with-correlation-id-scope https://docs.mulesoft.com/tracing-module/1.0/tracing-module-concepts

질문 # 43
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?

정답：A

설명：
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

질문 # 44
Refer to the exhibit.
What required changes can be made to give a partial successful response in case the United Airlines API returns with a timeout?
Exhibit:

A. Add a Scatter-Gather component inside a Try Scope. Set the payload to a default value "Error" inside the error handler using the On Error Continue scope.
B. Add a Scatter-Gather component inside a Try Scope. Set the payload to a default value "Error" inside the error handler using the On Error Propagate scope.
C. Add Flow Reference components inside a Try scope. Set the payload to a default value "" inside the error handler using the On Error Continue scope.
D. Add Flow Reference components inside a Try Scope. Set the payload to a default value "" inside the error handler using the On Error Propagate scope.

정답：C

설명：
Scatter-Gather normally expects all routes to complete successfully before combining their results. If the United Airlines route times out and that error escapes the route, Scatter-Gather raises a MULE:
COMPOSITE_ROUTING error instead of continuing normally to the downstream Transform Message. That behavior prevents the required partial-success response.
The correct design is to handle failure inside the affected Scatter-Gather route. Each Flow Reference can be wrapped in a Try scope, with the timeout or relevant connector error handled using On Error Continue. The handler can replace the failed route's payload with a neutral/default value such as an empty string. The route is then considered successfully handled, allowing Scatter-Gather to consolidate the successful Delta response and the default United value and proceed to the concatenation step.
MuleSoft documents this exact Scatter-Gather behavior: when a route's Try scope successfully handles an error with on-error-continue, Scatter-Gather completes and passes the combined events onward. If on-error- propagate is used, the route remains failed and Scatter-Gather produces a composite-routing error.
Reference topics: Scatter-Gather Router; Try Scope; On Error Continue; partial results; MULE:
COMPOSITE_ROUTING.
Official documentation: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept

질문 # 45
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