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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Design and Implement API-led Connectivity | 13% | - Implement API autodiscovery - Implement server-side caching - Implement HTTP callbacks/webhooks |
| Topic 2: Secure Data at Rest and in Transit | 20% | - Expose and invoke APIs over HTTPS - Manage secure environment properties - Implement security policies - Manage keys and certificates |
| Topic 3: Implement Performant and Reliable Mule Applications | 27% | - Use ObjectStore for persistence - Validate messages and payloads - Optimize performance and throughput - Handle HTTP API invocations and errors - Implement reliable messaging patterns |
| Topic 4: Implement Monitorable Mule Applications | 15% | - Expose health check endpoints - Implement message correlation - Monitor applications and runtimes - Implement logging and log management |
| Topic 5: Implement Maintainable and Modular Mule Applications and Maven Builds | 25% | - Execute tests with Maven - Implement automated deployment - Modularize applications and builds - Build custom policies and processors - Create reusable libraries |
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NEW QUESTION # 53
Which properties are mandatory on the HTTP Connector configuration in order to use the OAuth 2.0 Authorization Code grant type for authentication?
Answer: C
Explanation:
The OAuth 2.0 Authorization Code grant requires several endpoints and client credentials because the Mule application participates in both the user authorization stage and the subsequent authorization-code-to-token exchange.
For the HTTP Request Connector, MuleSoft identifies the principal required configuration fields as the external callback URL, local authorization URL, authorization URL, client ID, client secret, and token URL.
The option refers to the token endpoint as the access token URL, which represents the same OAuth server endpoint used to exchange the authorization code for an access token.
The authorization URL redirects the resource owner to the authorization server. The local authorization URL initiates Mule's authorization process. The external callback URL identifies the publicly reachable callback through which the OAuth server returns the authorization code. The client ID and client secret authenticate the registered client application, while the token URL is used for the token exchange.
By contrast, the local callback URL is configurable but not mandatory in the same manner, and fields such as Response Access Token and Response Refresh Token are expressions for extracting provider-specific values rather than fundamental mandatory authorization-code grant parameters.
Reference topics: HTTP Connector Authentication; OAuth 2.0 Authorization Code Grant; Callback URLs; Token Endpoint.
Official documentation: https://docs.mulesoft.com/http-connector/latest/http-authentication
NEW QUESTION # 54
Refer to the exhibit.
What is the result of the Mule Maven Plugin configuration of the value of property its,keystorePassoword in CloudHub 2.0?
Answer: D
Explanation:
The result of the Mule Maven Plugin configuration of the value of property its,keystorePassword in CloudHub 2.0 is that Runtime Manager masks the value. This means that Runtime Manager hides or obscures the value from anyone who views it in Runtime Manager or Anypoint Platform. Reference: https://docs.mulesoft.com/runtime-manager/runtime-manager-agent-for-mule4#properties-tab
NEW QUESTION # 55
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?
Answer: B
Explanation:
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
NEW QUESTION # 56
A Mule application includes a subflow containing a Scatter.Gather scope. Within each log of the Scatter.Gatter. an HTTP connector calls a PUT endpoint to modify records in different upstream system. The subflow is called inside an Unit successful scope to retry if a transitory exception is raised.
A technical spike is being performed to increase reliability of the Mule application.
Which steps should be performed within the Mule flow above the ensure idempontent behavior?
Answer: A
Explanation:
To ensure idempotent behavior within a Mule flow that contains a subflow with a Scatter-Gather scope, the developer should ensure an error-handling flow performs corrective actions to roll back all changes if any leg of the Scatter-Gather fails. Idempotency means that multiple identical requests have the same effect as a single request. Therefore, if one of the HTTP requests inside the Scatter-Gather fails, the error-handling flow should undo any changes made by other successful requests to ensure consistency and avoid partial updates. Reference: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept https://docs.mulesoft.com/mule-runtime/4.3/error-handling
NEW QUESTION # 57
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?
Answer: B
Explanation:
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
NEW QUESTION # 58
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