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?
A. Ensure an error-handling flow performs corrective actions to roll back all changes if any leg of the Scatter-Gather fails
B. Remove the Put requests from the Scatter-Getter and perform them sequentially
C. None, the flow already exhibits idempotent behavior
D. Change the PUT requests inside the Scatter-Gather to POST requests
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
A Mule implementation uses a HTTP Request within an Unit Successful scope to connect to an API.
How should a permanent error response like HTTP:UNAUTHORIZED be handle inside Until Successful to reduce latency?
A. Put the HTTP Request inside a try scope in Unit Successful.
In the error handler, use On Error Continue to catch permanent errors like HTTP UNAUTHORIZED.
B. Configure retrying until a MULERETRY_EXHAUSTED error is raised or the API responds back with a successful response.
C. In Until Successful configuration, set the retry count to 1 for error type HTTP: UNAUTHORIZED.
D. Put the HTTP Request inside a try scope in Unit Successful.
In the error handler, use On Error Propagate to catch permanent errors like HTTP UNAUTHORIZED.
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
A Mule application deployed to a standardalone Mule runtime uses VM queues to publish messages to be consumed asynchronously by another flow.
In the case of a system failure, what will happen to in-flight messages in the VM queues that have been consumed?
A. For persistent queues, the message will be processed after the system comes online
B. For nay type of queue, the message will be processed after the system comes online
C. For transient queues, the message will be processed after the system comes online
D. For any type of queue, the message will be lost
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
A Mule implementation uses a HTTP Request within an Unit Successful scope to connect to an API.
How should a permanent error response like HTTP:UNAUTHORIZED be handle inside Until Successful to reduce latency?
A. Put the HTTP Request inside a try scope in Unit Successful.
In the error handler, use On Error Continue to catch permanent errors like HTTP UNAUTHORIZED.
B. Configure retrying until a MULERETRY_EXHAUSTED error is raised or the API responds back with a successful response.
C. In Until Successful configuration, set the retry count to 1 for error type HTTP: UNAUTHORIZED.
D. Put the HTTP Request inside a try scope in Unit Successful.
In the error handler, use On Error Propagate to catch permanent errors like HTTP UNAUTHORIZED.
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
A Mule application uses API autodiscovery to access and enforce policies for a RESTful implementation.
A. The name of the flow that has APlkit Console to receive all incoming RESTful operation requests.
B. The name of the flow that has HTTP listener to receive all incoming RESTful operation requests
C. Northing because flowRef is an optional attribute which can be passed runtime
D. Any of the APIkit generate implement flows
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
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.
A. Instead of using the VM Connector use <flow-ref>directly
B. If the two APIs use the same domain, the VM Connector can be leveraged
C. It is not possible to use the VM Connector since the APIs are running in a cluster mode and each mode has it own set of VM Queues
D. The VM Connector is used to inter-application communication, so it is not possible to use the VM Connector
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
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ありがとうございました!