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| Section | Weight | Objectives |
|---|---|---|
| Implement Monitorable Mule Applications | 15% | - Expose health check endpoints - Monitor applications and runtimes - Implement logging and log management - Implement message correlation |
| Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement HTTP callbacks/webhooks - Implement server-side caching |
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Build custom policies and processors - Execute tests with Maven - Modularize applications and builds - Implement automated deployment - Create reusable libraries |
| Implement Performant and Reliable Mule Applications | 27% | - Use ObjectStore for persistence - Implement reliable messaging patterns - Optimize performance and throughput - Handle HTTP API invocations and errors - Validate messages and payloads |
| Secure Data at Rest and in Transit | 20% | - Manage secure environment properties - Implement security policies - Manage keys and certificates - Expose and invoke APIs over HTTPS |
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質問 # 27
Which configurations are required for HTTP Listener to enable mTLS authentication?
正解：D
解説：
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 to access the Mule application. Reference: https://docs.mulesoft.com/mule-runtime/4.3/tls-configuration#mutual-authentication
質問 # 28
Which command is used to convert a JKS keystore to PKCS12?
正解：D
解説：
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
質問 # 29
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?
正解：B
解説：
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
質問 # 30
A company has been using CI/CD. Its developers use Maven to handle build and deployment activities.
What is the correct sequence of activities that takes place during the Maven build and deployment?
正解：A
解説：
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 goals bound to it. Reference: https://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html
質問 # 31
A Mule application deployed to multiple CloudHub 2.0 replicas needs to temporarily persist large files over
10MB between flow executions, and routinely needs to query whether the file data exists on separate executions.
How can this be achieved?
正解：B
解説：
Object Store v2 is suitable for distributed key/value state that must be available across CloudHub executions and replicas, but it should not be used to hold the complete contents of files larger than its per-value limit.
MuleSoft documents that an Object Store v2 value is limited to 10 MB, while the overall store does not have a fixed aggregate size limit.
The appropriate architecture is therefore to persist the binary file itself in storage designed for large objects- for example, a durable external object/blob storage service-and store only lightweight metadata in Object Store v2. That metadata can include the object's storage key, URI/location, status, or other lookup information. Subsequent flow executions can query Object Store v2 to determine whether the object exists and then retrieve the actual file from the external storage system.
An in-memory Object Store is inappropriate because application replicas do not provide a durable shared in- memory persistence model for this requirement. Storing the entire file directly in Object Store violates the 10 MB value constraint. Local file-based storage is also unsuitable as a cross-replica CloudHub persistence mechanism.
Reference topics: Object Store v2 limits; CloudHub replicas; distributed persistence; external object storage; key/location metadata.
Official documentation: https://docs.mulesoft.com/object-store/osv2-faq
質問 # 32
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