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| Section | Weight | Objectives |
|---|---|---|
| Secure Data at Rest and in Transit | 20% | - Implement security best practices
|
| Expose Production-Ready Anypoint Platform Managed APIs | 13% | - Manage APIs with Anypoint Platform
|
| Implement Maintainable and Modular Mule Applications and Their Maven Builds | 25% | - Implement modular Mule application structures
|
| Implement Monitorable Mule Applications | 15% | - Implement monitoring and logging
|
| Implement Performant and Reliable Mule Applications | 27% | - Optimize reliability and performance
|
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NEW QUESTION # 57
A scatter-gather router is configured with four routes:Route A, B, C and D.
Route C false.
Answer: B
Explanation:
The result of accessing route C failure is Error,errorMessage,payload.failures['2']. This is because a scatter-gather router returns an aggregated message that contains an array of results from each route and an array of failures from each route. The failures array contains error objects with information about each failed route execution. To access route C failure, which is the third route (index 2), the developer needs to use Error.errorMessage.payload.failures['2'] expression. Reference: https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-reference#scatter-gather-output
NEW QUESTION # 58
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: D
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 # 59
A custom policy needs to be developed to intercept all cutbound HTTP requests made by Mule applications.
Which XML element must be used to intercept outbound HTTP requests?
Answer: B
Explanation:
The http-policy:processor element is used to intercept outbound HTTP requests made by Mule applications. It allows customizing the request before it is sent to the target API and modifying the response after it is received from the target API. Reference: https://docs.mulesoft.com/api-manager/2.x/policy-mule4-custom-policy#policy-xml-file
NEW QUESTION # 60
Refer to the exhibits.
A Mule application contains two policies: Policy A and Policy B. Policy A has order 1, and Policy B has order 2. Policy A, Policy B, and a flow are defined by the configurations below.
When an HTTP request arrives at the Mule application's endpoint, what will be the execution order?
Exhibit:
Answer: D
Explanation:
Mule Gateway source policies behave as nested interceptors around the application flow. Policy order determines the sequence in which the request-side portions execute. Because Policy A has order 1 and Policy B has order 2, Policy A is entered first. Therefore, A1 executes before Mule reaches Policy A's http-policy:
execute-next.
The execute-next instruction transfers control to the next policy, so Policy B begins and executes B1. Policy B's own execute-next then transfers control into the application flow, where F1 executes.
After the application flow completes, processing unwinds in reverse order. Control first returns to Policy B, causing B2 to execute. It then returns to Policy A, where A2 executes. The complete sequence is therefore A1
# B1 # F1 # B2 # A2.
MuleSoft's Custom Policy Development Reference documents this exact execution model, including an example with policies A and B using precisely the same order and execute-next arrangement. The policy with the lower order executes its inbound section first, while post-processing executes in reverse nesting order.
Reference topics: Mule Gateway Custom Policies; Source Policy Execution; http-policy:execute-next; Policy Ordering.
Official documentation: https://docs.mulesoft.com/mule-gateway/policies-custom-mule-4-reference
NEW QUESTION # 61
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.
Answer: A
Explanation:
To communicate asynchronously between two APIs deployed to a two-node on-prem cluster, the developer can use the VM Connector if the two APIs use the same domain. The VM Connector allows passing messages between different Mule applications within a single Mule runtime instance or across different instances using shared memory or persistent storage. If two APIs are deployed under the same domain, they can share resources such as VM queues and communicate asynchronously using VM Connector operations. Reference: https://docs.mulesoft.com/mule-runtime/4.3/vm-connector https://docs.mulesoft.com/mule-runtime/4.3/shared-resources
NEW QUESTION # 62
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