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[General] Mule-Dev-301 Exam Questions and Salesforce Certified MuleSoft Developer II Torre

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【General】 Mule-Dev-301 Exam Questions and Salesforce Certified MuleSoft Developer II Torre

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Salesforce Certified MuleSoft Developer II Sample Questions (Q19-Q24):NEW QUESTION # 19
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. In Until Successful configuration, set the retry count to 1 for error type HTTP: UNAUTHORIZED.
  • B. 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.
  • C. Configure retrying until a MULERETRY_EXHAUSTED error is raised or the API responds back with a successful response.
  • D. 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.
Answer: D
Explanation:
To handle a permanent error response like HTTP:UNAUTHORIZED inside Until Successful, the developer should put the HTTP Request inside a try scope in Unit Successful, and use On Error Continue to catch permanent errors like HTTP UNAUTHORIZED in the error handler. This way, the developer can avoid retrying requests that will always fail due to a permanent error, and reduce latency. On Error Continue allows the flow to continue processing after handling the error. Reference: https://docs.mulesoft.com/mule-runtime/4.3/until-successful-scope https://docs.mulesoft.com/mule-r ... or-continue-concept

NEW QUESTION # 20
An API has been developed and deployed to CloudHub Among the policies applied to this API is an allowlist of IP addresses. A developer wants to run a test in Anypoint Studio and does not want any policies applied because their workstation is not included in the allowlist.
What must the developer do in order to run this test locally without the policies applied?
  • A. Pass in the runtime parameter ''-Danpow.platform.gatekeeper=disabled''
  • B. Create a properties file specifically for local development and set the API instance ID to a value that is not used in API Manager
  • C. Run the test as-s, with no changes because the Studio runtime will not attempt to connect to API Manager
  • D. Deactivate the API in API Manager so the Autodiscovery element will not find the application when it runs in Studio
Answer: A
Explanation:
To run a test locally without the policies applied, the developer should create a properties file specifically for local development and set the API instance ID to a value that is not used in API Manager. This way, the developer can use different configuration properties for different environments and avoid triggering API autodiscovery when running tests locally. API autodiscovery is a mechanism that associates an API implementation with its corresponding API specification and policies in API Manager based on its API instance ID. By setting this ID to a value that does not exist in API Manager, the developer can prevent API autodiscovery from finding and applying any policies to the local test. Reference: https://docs.mulesoft.com/api-ma ... g-api-autodiscovery https://docs.mulesoft.com/mule-runtime/4.3/configuring-properties

NEW QUESTION # 21
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. Remove the Put requests from the Scatter-Getter and perform them sequentially
  • B. None, the flow already exhibits idempotent behavior
  • C. Ensure an error-handling flow performs corrective actions to roll back all changes if any leg of the Scatter-Gather fails
  • D. Change the PUT requests inside the Scatter-Gather to POST requests
Answer: C
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 # 22
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 validation before posting to the target system?
  • A. Using the DataWeave if Else condition test the values of the payload against the examples included in the schema
  • B. Use a DataWeave 2.09 transform operation, and at the log of the DataWeave script, add:
    %dw 2.0
    Import.json-moduls
  • C. Apply the JSON Schema policy in API Manager and reference the correct schema in the policy configuration
  • D. Add the JSON module dependency and add the validate-schema operation in the flow, configured to reference the schema
Answer: D
Explanation:
To validate the data before posting to the target system, the developer should add the JSON module dependency and add the validate-schema operation in the flow, configured to reference the schema. The JSON module provides a validate-schema operation that validates a JSON payload against a JSON schema and throws an error if the payload is invalid. Reference: https://docs.mulesoft.com/json-module/1.1/json-validate-schema

NEW QUESTION # 23
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 heathcare portal.
Which files does the developer need to create in order to package the custom policy?
  • A. Deployable ZIP file, YAML configuration file
  • B. XML template file, YAML configuration file
  • C. JSON properties file, YAML configuration file
  • D. JSON properties file, XML template file
Answer: B
Explanation:
To package a custom policy using the HTTP Policy Transform Extension, the developer needs to create an XML template file and a YAML configuration file. The XML template file defines the policy logic using Mule components and placeholders for user-defined properties. The YAML configuration file defines the metadata of the policy, such as its name, description, category, parameters, and dependencies. Reference: https://docs.mulesoft.com/api-ma ... ackaging-the-policy

NEW QUESTION # 24
......
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