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| Section | Weight | Objectives |
|---|---|---|
| Implement Maintainable and Modular Mule Applications and Their Maven Builds | 25% | - Implement modular Mule application structures
|
| Expose Production-Ready Anypoint Platform Managed APIs | 13% | - Manage APIs with Anypoint Platform
|
| Implement Monitorable Mule Applications | 15% | - Implement monitoring and logging
|
| Secure Data at Rest and in Transit | 20% | - Implement security best practices
|
| Implement Performant and Reliable Mule Applications | 27% | - Optimize reliability and performance
|
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NEW QUESTION # 26
Refer to the exhibit.
A Mule Object Store is configured with an entry TTL of one second and an expiration interval of 30 seconds.
What is the result of the flow if processing between os:store and os:retrieve takes 10 seconds?
Exhibit:
Answer: C
Explanation:
The distinction between entry TTL and expiration interval is the key to this question. entryTtl="1" specifies that an Object Store entry becomes eligible for expiration after one second. However, expirationInterval="30" determines how frequently Mule's expiration process checks the Object Store and removes expired entries.
MuleSoft describes the expiration interval as the frequency at which the expiration thread runs. Therefore, expiration is not equivalent to immediate physical removal at precisely the TTL boundary.
The flow first sets the payload to originalPayload, then stores "testPayload" under the key testKey. Ten seconds subsequently elapse before the Retrieve operation executes. Although this exceeds the configured one-second TTL, only 10 seconds have elapsed since storage, while the expiration process is configured to run at 30-second intervals. The entry has therefore not yet been evicted when retrieval occurs.
Because testKey remains available, os:retrieve returns the stored value, testPayload. The configured default value nullPayload would be used only if the key were unavailable according to the Retrieve operation's behavior.
Reference topics: Object Store Connector; entry TTL; expiration interval; expiration thread; Store and Retrieve operations.
Official documentation: https://docs.mulesoft.com/object-store-connector/latest/object-store-connector- reference
NEW QUESTION # 27
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?
Answer: D
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. Reference: https://docs.mulesoft.com/anypoint-mq/3.x/anypoint-mq-exchanges
NEW QUESTION # 28
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?
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. Reference: https://docs.mulesoft.com/api-manager/2.x/policy-mule4-custom-policy#policy-xml-file
NEW QUESTION # 29
Which command is used to convert a JKS keystore to PKCS12?
Answer: C
Explanation:
Java keytool -importkeystore converts a keystore by explicitly defining both the source keystore and its format and the destination keystore and its required format. To convert JKS # PKCS12, the source must therefore be the JKS file with -srcstoretype JKS, while the destination must be the .p12 file with - deststoretype PKCS12.
MuleSoft provides the same conversion pattern in its TLS-related documentation. Its example for converting a JKS client keystore to P12 uses -srckeystore ...jks, -srcstoretype JKS, followed by -destkeystore ...p12 and - deststoretype PKCS12.
Mule supports JKS, PKCS12, and other keystore types for TLS configurations, but the configured file type must correspond correctly to the actual keystore encoding.
Option A reverses the declared store types even though the filenames suggest JKS-to-P12 conversion. Option C performs the opposite conversion, PKCS12 to JKS. Option D incorrectly identifies a .p12 source as JKS and does not correctly express the required source/destination relationship.
Thus, option B contains the correct source and destination formats.
Reference topics: TLS configuration; Java Keytool; JKS; PKCS12; keystore conversion.
Official documentation: https://docs.mulesoft.com/runtime-manager/rtm-agent-REST-connections Official documentation: https://docs.mulesoft.com/mule-runtime/4.9/tls-configuration
NEW QUESTION # 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:
Answer: D
Explanation:
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
NEW QUESTION # 31
......
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