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[General] MuleSoft MCD-Level-2 Exam Dumps - A Surefire Way To Achieve Success

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【General】 MuleSoft MCD-Level-2 Exam Dumps - A Surefire Way To Achieve Success

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MuleSoft Certified Developer - Level 2 (Mule 4) Sample Questions (Q54-Q59):NEW QUESTION # 54
A Mule application need to invoice an API hosted by an external system to initiate a process. The external API takes anywhere between one minute and 24 hours to compute its process.
Which implementation should be used to get response data from the external API after it completes processing?
  • A. Use a Scheduler to check for a response every minute
  • B. Use an HTTP Connector to invoke the API and wait for a response
  • C. Use an HTTP Connector inside Async scope to invoice the API and wait for a response
  • D. Expose an HTTP callback API in Mule and register it with the external system
Answer: D
Explanation:
To get response data from the external API after it completes processing, the developer should expose an HTTP callback API in Mule and register it with the external system. This way, the external API can invoke the callback API with the response data when it is ready, instead of making the Mule application wait for a long time or poll for a response repeatedly.
References:https://docs.mulesoft.com/mule-r ... stener-ref#callback

NEW QUESTION # 55
A healthcare portal needs to validate the token that it sends to a Mule API. The developer plans to implement a custom policy using the HTTP Policy Transform Extension to match the token received in the header from the heathcare portal.
Which files does the developer need to create in order to package the custom policy?
  • A. JSON properties file, XML template file
  • B. XML template file, YAML configuration file
  • C. Deployable ZIP file, YAML configuration file
  • D. JSON properties file, YAML configuration file
Answer: B
Explanation:
To package a custom policy using the HTTP Policy Transform Extension, the developer needs to create an XML template file and a YAML configuration file. The XML template file defines the policy logic using Mule components and placeholders for user-defined properties. The YAML configuration file defines the metadata of the policy, such as its name, description, category, parameters, and dependencies.
References:https://docs.mulesoft.com/api-ma ... ackaging-the-policy

NEW QUESTION # 56
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. None, the flow already exhibits idempotent behavior
  • B. Ensure an error-handling flow performs corrective actions to roll back all changes if any leg of the Scatter-Gather fails
  • C. Change the PUT requests inside the Scatter-Gather to POST requests
  • D. Remove the Put requests from the Scatter-Getter and perform them sequentially
Answer: B
Explanation:
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 error-handling flow should undo any changes made by other successful requests to ensure consistency and avoid partial updates.
References: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept
https://docs.mulesoft.com/mule-runtime/4.3/error-handling

NEW QUESTION # 57
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 underlying HTTP request of Anypoint MQ to set the 'X-CORRELATION_ID' header to the order ID
  • 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 default correlation ID, Anypoint MQ will sutomatically propagate it.
Answer: A
Explanation:
Explanation
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. References:
https://docs.mulesoft.com/tracin ... orrelation-id-scope
https://docs.mulesoft.com/tracin ... ing-module-concepts

NEW QUESTION # 58
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 according.
Which configuration is required in Anypoint MQ to achieve this publish/subscribe model?
  • A. Publish the gate change notification to an Anypoint MC queue
    Have each client subscribe directly to the queue
  • B. Publish each client subscribe directly to the exchange.
    Have each client subscribe directly to the queue.
  • C. Publish the gate change notification to an Anypoint MQ exchanhe.
    Create different Anypoint MQ queues meant for each of the other subscribing systems.
    Bind the exchange with each of the queues.
  • D. Publish the gate change notification to an Anypoint MQ queue.
    Create different anypoint MQ exchange meant for each of the other subscribing systems Bind the queue with each of the exchanges
Answer: C
Explanation:
Explanation
To achieve a publish/subscribe model using Anypoint MQ, where each system receives the same gate change notification event, the developer should publish the gate change notification to an Anypoint MQ exchange, create different Anypoint MQ queues meant for each of the other subscribing systems, and bind the exchange with each of the queues. An exchange is a message routing agent that can send messages to different queues based on predefined criteria. By binding an exchange with multiple queues, each queue receives a copy of every message sent to that exchange. Therefore, each system can subscribe to its own queue and receive every gate change notification event. References:
https://docs.mulesoft.com/anypoint-mq/3.x/anypoint-mq-exchanges

NEW QUESTION # 59
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