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| Section | Weight | Objectives |
|---|---|---|
| Secure Data at Rest and in Transit | 20% | - Manage secure environment properties - Manage keys and certificates - Implement security policies - Expose and invoke APIs over HTTPS |
| Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Create reusable libraries - Execute tests with Maven - Build custom policies and processors - Implement automated deployment - Modularize applications and builds |
| Implement Performant and Reliable Mule Applications | 27% | - Handle HTTP API invocations and errors - Use ObjectStore for persistence - Validate messages and payloads - Optimize performance and throughput - Implement reliable messaging patterns |
| Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement server-side caching - Implement HTTP callbacks/webhooks |
| Implement Monitorable Mule Applications | 15% | - Monitor applications and runtimes - Expose health check endpoints - Implement message correlation - Implement logging and log management |
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NEW QUESTION # 11
A Mule API receives a JSON payload and updates the target system with the payload. The developer uses JSON schemas to ensure the data is valid.
How can the data be validated before posting to the target system?
Answer: A
Explanation:
MuleSoft provides the JSON Module specifically for operations such as JSON validation. The application should include the JSON Module as a Mule dependency and place its Validate schema operation before the connector or operation that posts the data to the target system.
The Validate schema operation receives the JSON document and evaluates it against the configured JSON Schema. When validation succeeds, processing continues to the next processor. If the payload does not conform, Mule raises JSON:SCHEMA_NOT_HONOURED, allowing the flow's error-handling strategy to reject or transform the invalid request before the target system is modified.
MuleSoft also documents that modules/connectors added manually to an application are declared in pom.xml as dependencies with the mule-plugin classifier; the JSON Module follows this standard pattern.
DataWeave conditional validation would unnecessarily reimplement schema semantics and would not automatically interpret a JSON Schema. API Manager does not provide the application-level JSON Module operation described by this requirement, and import json-module is not a valid mechanism for invoking the Mule JSON Module from DataWeave.
Reference topics: JSON Module; Validate Schema; JSON Schema; JSON:SCHEMA_NOT_HONOURED; Maven module dependency.
Official documentation: https://docs.mulesoft.com/json-module/latest/json-schema-validation Official documentation: https://docs.mulesoft.com/json-module/latest/json-xml-maven
NEW QUESTION # 12
A custom policy needs to be developed to intercept all outbound HTTP requests made by Mule applications.
Which XML element must be used to intercept outbound HTTP requests?
Answer: A
Explanation:
In Mule Gateway custom policies, inbound and outbound interception are represented by different policy blocks. The http-policy:source block surrounds processing that begins at an HTTP Listener and is therefore associated with incoming requests. To intercept HTTP requests generated by an application through an HTTP Request connector, the policy must instead define an http-policy:operation block.
MuleSoft explicitly documents outbound policies as policies that operate on outgoing HTTP requests. Within a custom policy, http-policy:operation allows policy logic to execute immediately before Mule reaches an HTTP Requester and again after that requester returns. An http-policy:execute-next element can be placed within the operation block to delimit pre-request and post-response processing.
This mechanism is appropriate for functionality such as adding outbound headers, enforcing outbound security rules, modifying requests, collecting telemetry, or inspecting downstream responses. http-policy:
source cannot provide equivalent outbound interception because it applies around the inbound source and application flow. http-policy:processor is not the Mule Gateway construct used for this purpose.
Therefore, the required element is http-policy:operation.
Reference topics: Mule Gateway Custom Policies; Outbound Policies; http-policy:operation; http-policy:
execute-next; HTTP Request interception.
Official documentation: https://docs.mulesoft.com/mule-gateway/policies-custom-mule-4-reference
NEW QUESTION # 13
Which type of cache invalidation does the Cache scope support without having to write any additional code?
Answer: B
Explanation:
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
NEW QUESTION # 14
What is the MuleSoft recommended method to encrypt sensitive property data?
Answer: D
Explanation:
The MuleSoft recommended method to encrypt sensitive property data is to use the Secure Properties Tool that comes with Anypoint Studio. This tool allows encrypting properties files with a secret key and then decrypting them at runtime using the same key. The encryption key and sensitive data should be different for each environment to ensure security and avoid accidental exposure of sensitive data. Reference: https://docs.mulesoft.com/mule-runtime/4.3/secure-configuration-properties
NEW QUESTION # 15
Refer to the exhibit.
A Mute 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?
Answer: B
Explanation:
The result of the flow is nullPayload if processing between os:store and os:retrieve takes 10 seconds. This is because the entry TTL of the object store is one second, which means that any stored value expires after one second and is removed from the object store. The expiration interval of 30 seconds only determines how often the object store checks for expired values, but it does not affect the TTL. Therefore, when os:retrieve tries to get the value after 10 seconds, it returns nullPayload because the value has already expired and been removed. Reference: https://docs.mulesoft.com/object-store/osv2-faq#how-does-the-time-to-live-work
NEW QUESTION # 16
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