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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Execute tests with Maven - Implement automated deployment - Build custom policies and processors - Create reusable libraries - Modularize applications and builds |
| Topic 2: Implement Monitorable Mule Applications | 15% | - Implement message correlation - Expose health check endpoints - Implement logging and log management - Monitor applications and runtimes |
| Topic 3: Secure Data at Rest and in Transit | 20% | - Expose and invoke APIs over HTTPS - Manage keys and certificates - Manage secure environment properties - Implement security policies |
| Topic 4: Implement Performant and Reliable Mule Applications | 27% | - Validate messages and payloads - Optimize performance and throughput - Implement reliable messaging patterns - Handle HTTP API invocations and errors - Use ObjectStore for persistence |
| Topic 5: Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement HTTP callbacks/webhooks - Implement server-side caching |
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質問 # 17
Refer to the exhibit.
What is the result of the Mule Maven Plugin configuration of the value of property tls.keystore.keyPassword in CloudHub 2.0?
Exhibit:
正解：B
解説：
The Mule Maven Plugin's CloudHub 2.0 deployment configuration supports a top-level < secureProperties > element. Properties supplied through this element are treated differently from ordinary deployment properties:
CloudHub 2.0 encrypts their values before storing them.
MuleSoft's deployment documentation explicitly states that < secureProperties > is used to set application properties and instruct CloudHub 2.0 to encrypt the values before storing them. This is particularly appropriate for TLS credentials such as keystore passwords because these values should not be persisted as ordinary clear-text application configuration.
The important distinction is between encryption and UI masking. A masked field merely hides its visual representation; it does not by itself establish protected storage. In CloudHub 2.0, protected property values are stored securely and are not retrievable as plain values through Runtime Manager. Anypoint Studio is also not the component responsible for protecting a value supplied through the CloudHub deployment configuration, nor is this deferred to the Mule application's runtime flow.
Therefore, with the property placed under the Mule Maven Plugin's < secureProperties > configuration, CloudHub encrypts the value.
Reference topics: CloudHub 2.0 deployment; Mule Maven Plugin; secure properties; protected application configuration.
Official documentation: https://docs.mulesoft.com/mule-runtime/4.6/deploy-to-cloudhub-2 Official documentation: https://docs.mulesoft.com/cloudhub-2/ch2-protect-app-props
質問 # 18
Two APIs are deployed to a two-node on-prem cluster. Due to a requirements change, the two APIs must communicate to exchange data asynchronously.
How can this be solved?
正解：A
解説：
VM Connector supports both intra-application and inter-application asynchronous communication. MuleSoft specifically documents that two different Mule applications can publish to and consume from the same VM queue when both applications are part of the same Mule domain and reference the shared VM configuration.
The fact that the applications are deployed to a two-node Mule cluster does not prevent use of VM Connector.
In cluster mode, VM queues are cluster-wide resources. Mule's cluster synchronizes access, and messages placed on a VM queue can be processed by another node in the cluster. MuleSoft identifies this as a supported mechanism for distributing asynchronous work across clustered runtime instances.
Therefore, option B is incorrect: each node does not operate an entirely isolated VM queue namespace for a shared clustered configuration. Option D also contradicts VM Connector's documented inter-application use case.
The required architectural condition is that both applications use the same domain/shared VM configuration so they can reference the same queue. The publisher can then send asynchronously while the second API consumes from the shared VM queue.
Reference topics: VM Connector; Mule domains; inter-application communication; persistent/transient queues; Mule HA clustering.
Official documentation: https://docs.mulesoft.com/vm-connector/latest/vm-publish-across-apps Official documentation: https://docs.mulesoft.com/vm-connector/latest/vm-reference
質問 # 19
A scatter-gather router is configured with four routes: Route A, B, C and D.
Route C fails.
Which expression allows access to the failing route so that it can be compensated?
正解：B
解説：
When any route within Scatter-Gather fails, Mule raises a MULE:COMPOSITE_ROUTING error after the routes complete. The information associated with each route is retained in the error message payload. This payload contains separate collections for failures and results, indexed according to the route positions.
Routes are zero-indexed for this structure: Route A corresponds to index 0, Route B to index 1, Route C to index 2, and Route D to index 3. Because Route C failed, its failure information is therefore available from the failures structure at index 2.
Critically, this data belongs to the Mule error's errorMessage.payload; it is not simply the current event payload. Consequently, payload.failures[2] and payload[2] address the wrong structure. Likewise, error.
errorMessage.payload.results[2] refers to the successful-results collection; for a failed route, the relevant object is stored under failures.
MuleSoft's Scatter-Gather documentation demonstrates the same mechanism, accessing failed route information through expressions such as error.errorMessage.payload.failures['0'] and successful route output through the corresponding results collection.
Reference topics: Scatter-Gather Error Handling; MULE:COMPOSITE_ROUTING; Route Results and Failures; Compensation Logic.
Official documentation: https://docs.mulesoft.com/mule-runtime/4.6/scatter-gather-concept
質問 # 20
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 healthcare portal.
Which files does the developer need to create in order to package the custom policy?
正解：D
解説：
For the Mule 4 custom-policy development model represented by this question, the policy's runtime behavior is implemented in an XML template, while the policy's configurable parameters and metadata are described in a YAML configuration file.
The XML template uses Mule's XML configuration language and policy-specific elements such as http-policy:
proxy, http-policy:source, http-policy:operation, and http-policy:execute-next. In this scenario, the developer can place the header-token inspection and validation behavior in this implementation layer. The accompanying YAML file exposes configurable policy parameters to API Manager and provides the metadata needed for policy configuration.
MuleSoft's custom-policy development reference identifies an XML template and YAML file as core policy project artifacts; the complete project additionally contains its POM, Mule artifact descriptor, and any optional resources.
A ZIP file is not the source artifact pair used to define the policy. Similarly, a generic JSON properties file is not a replacement for the implementation template in this Mule 4 custom-policy model.
Thus, among the available combinations, the XML policy template together with the YAML configuration file is the required pair.
Reference topics: Mule Gateway custom policies; XML policy templates; YAML policy configuration; HTTP Policy Transform Extension.
Official documentation: https://docs.mulesoft.com/mule-gateway/policies-custom-mule-4-reference
質問 # 21
Refer to the exhibits.
The
flow is invoking a target API. The API's protocol is HTTPS. The TLS configuration in the HTTP Request Configuration global element is set to None. A web client submits a request to http://localhost:8081/vehicles.
If the certificate of the target API is signed by a certificate authority (CA), what is true about the HTTP Request operation when the flow executes?
Exhibit:
正解：C
解説：
The HTTP Request connector is operating as a TLS client when it connects to the target HTTPS API. During the TLS handshake, the server presents its certificate chain. The client must be able to establish a chain of trust from that certificate to a trusted certificate authority.
When no custom Mule truststore is configured, Mule relies on the default Java/JRE truststore. MuleSoft explicitly states that if a tls:trust-store is not specified, Mule uses Java's default truststore, which normally contains certificates for major public certificate authorities.
Therefore, the target API connection succeeds when the issuing CA can be validated through that JRE truststore, assuming the remainder of the TLS negotiation is valid. A keystore serves a different purpose: it normally contains a private key and certificate used to establish the local party's own identity. It is not the default repository used to establish trust in remote HTTPS servers.
The connection also does not automatically trust every CA. Certificate validation still occurs unless validation is explicitly disabled.
Therefore, B correctly describes Mule's behavior when the HTTP Request configuration has no custom TLS truststore configured.
Reference topics: HTTP Request Connector; TLS client validation; Java default truststore; CA certificate chains; keystore versus truststore.
Official documentation: https://docs.mulesoft.com/mule-runtime/4.4/tls-configuration
質問 # 22
......
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P.S.CertShikenがGoogle Driveで共有している無料の2026 Salesforce Mule-Dev-301ダンプ：https://drive.google.com/open?id=1-6Tv3heN0h5dq3dxtq7JvfRWk3b2lYCi