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| Section | Weight | Objectives |
|---|---|---|
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Implement automated deployment - Execute tests with Maven - Modularize applications and builds - Build custom policies and processors - Create reusable libraries |
| Implement Monitorable Mule Applications | 15% | - Implement logging and log management - Expose health check endpoints - Monitor applications and runtimes - Implement message correlation |
| Design and Implement API-led Connectivity | 13% | - Implement server-side caching - Implement API autodiscovery - Implement HTTP callbacks/webhooks |
| Implement Performant and Reliable Mule Applications | 27% | - Validate messages and payloads - Handle HTTP API invocations and errors - Implement reliable messaging patterns - Use ObjectStore for persistence - Optimize performance and throughput |
| Secure Data at Rest and in Transit | 20% | - Manage keys and certificates - Expose and invoke APIs over HTTPS - Implement security policies - Manage secure environment properties |
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NEW QUESTION # 57
Which type of cache invalidation does the Cache scope support without having to write any additional code?
Answer: D
Explanation:
Mule's Cache scope is backed by a caching strategy, commonly using an Object Store. The caching strategy can directly configure expiration characteristics, including entry time to live (TTL). Once the TTL expires and the corresponding expiration processing occurs, cached entries are removed according to the configured Object Store policy without requiring application-specific invalidation logic.
MuleSoft's cache strategy documentation shows that the Object Store used by a caching strategy can define values such as entryTtl, expirationInterval, and maximum entries. A Cache component can then reference that strategy and automatically use those expiration settings.
Write-through and write-behind describe cache/database synchronization strategies in which cache updates are coordinated with writes to an underlying persistent data source. Mule's standard Cache scope does not automatically implement those patterns as an invalidation mode. Notification-based invalidation would similarly require external notification logic or explicit Mule processing to identify and invalidate affected keys.
TTL requires no such custom invalidation workflow. The developer establishes the lifetime when configuring the caching Object Store, after which Mule manages expiration automatically.
Therefore, Time to live is the cache invalidation mechanism directly available through standard Cache scope configuration.
Reference topics: Cache Scope; Object Store Caching Strategy; entryTtl; expirationInterval; automatic cache expiration.
Official documentation: https://docs.mulesoft.com/mule-runtime/latest/cache-scope-strategy
NEW QUESTION # 58
Which command is used to convert a JKS keystore to PKCS12?
Answer: D
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 # 59
A healthcare customer wants to use hospital system data, which includes code that was developed using legacy tools and methods. The customer has created reusable Java libraries in order to read the data from the system.
What is the most effective way to develop an API to retrieve the data from the hospital system?
Answer: D
Explanation:
Reusable Java libraries should be managed as Maven dependencies, not manually embedded or referenced through arbitrary filesystem locations. Installing the legacy library artifacts into an accessible Maven repository and declaring their Maven coordinates in the application's pom.xml gives the Mule project a deterministic and maintainable dependency model.
Mule applications use Maven as their build/dependency-management mechanism. MuleSoft's external-library guidance supports adding dependencies through Maven coordinates or local library artifacts, with those dependencies represented in the project's POM. This enables consistent resolution during development and CI
/CD builds and avoids environment-specific hard-coded JAR paths.
Directly referring to JAR files from application code creates brittle coupling to local filesystem structure.
Supplying libraries manually only at deployment time also weakens reproducibility because the application build no longer fully declares its dependencies. Re-creating existing Java integration logic within every Mule application defeats reuse and adds unnecessary maintenance.
Once the Java library is available as a Maven dependency, the Mule Java Module or an appropriate custom module can invoke its functionality while Maven manages versioning and packaging.
Reference topics: Maven dependency management; reusable Java libraries; external libraries; pom.xml; Java Module integration.
Official documentation: https://docs.mulesoft.com/anypoint-code-builder/acb-external-libraries
NEW QUESTION # 60
When registering a client application with an existing API instance or API Group instance, what is required to manually approve or reject request access?
Answer: B
Explanation:
To manually approve or reject request access when registering a client application with an existing API instance or API Group instance, it is required to configure the SLA tier for the application and have one of the following roles or permissions: Organization Administrator, API Manager Environment Administrator, or Manage Contracts permission. These roles or permissions allow managing client applications and contracts in API Manager. Reference: https://docs.mulesoft.com/api-manager/2.x/client-applications#managing-client-applications-and-contracts
NEW QUESTION # 61
A Mule application uses API autodiscovery to access and enforce policies for a RESTful implementation.
Answer: A
Explanation:
To use API autodiscovery to access and enforce policies for a RESTful implementation, flowRef must be set to the name of the flow that has HTTP listener to receive all incoming RESTful operation requests. This way, API autodiscovery can identify the API implementation and associate it with the corresponding API specification and policies in API Manager. The flow that has HTTP listener is usually the main flow that contains the APIKit Router. Reference: https://docs.mulesoft.com/api-manager/2.x/api-auto-discovery-new-concept#flowref
NEW QUESTION # 62
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