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| Section | Weight | Objectives |
|---|---|---|
| Error Handling & Logging | 15% | - Custom error handlers - Logging and monitoring - Default error handling |
| API Design & Implementation | 15% | - RAML-based API definition - RESTful interface implementation - APIkit usage |
| Testing, Debugging & Deployment | 15% | - Debugging in Anypoint Studio - Application deployment to CloudHub - Deployment best practices |
| MuleSoft Fundamentals & Anypoint Platform | 10% | - API lifecycle management - Anypoint Platform architecture and components - API-led connectivity concepts |
| Mule Application Development | 25% | - Connectors and transports - Flow construction and components - Properties and configuration |
| DataWeave Transformations | 20% | - Data format conversion - Payload and attribute manipulation - DataWeave syntax and expressions |
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52. Frage
Refer to the exhibits.
A web client submits a request to the HTTP Listener and the HTTP Request throws an error.
What payload and status code are returned to the web client?
Refer to the exhibits. A web client submits a request to the HTTP Listener and the HTTP Request throws an error.
What payload and status code are returned to the web client?
Antwort: D
Begründung:
Correct answer: Response body: "Error" Default response status code: 200.
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1) Payload is successfully set to "Success - Started Flow"
2) When HTTP Request throws an error, execution halts
#[error.description] = "ABC"
#[error.errorType] = "XYZ"
3) The On Error Continue scope handles the error. When On Error Continue scope is invoked, all the processors in error block are executed and success response is sent back to the client with payload which is set in error flow. In this case payload is set to "Error" value in error block.
4) "Error" is returned to the requestor in the body of the HTTP request with HTTP Status Code: 200 as On error continue always sends success error code.
Reference Diagram:
53. Frage
Refer to the exhibits.
What payload and variable are logged at the end of the main flow?
Antwort: A
Begründung:
Correct answer is [[5, 10, 15, 20], 5]
Key thing to note here is that any changes made to payload in for each loop are not available outside for each scope where as variable value updated in for each loop is visible out side for each loop too.
In this example , sequence can be described as follows
1) Payload is set to the value [5, 10, 15, 20]
2) Variable is set to the value of 1
3) For each loop is executed four times and in each loop payload value is updated to append "Req" and variable is count is increased by 1
4) Once control comes out of for each , payload changes made within for each are not visible. Hence payload at this point of time is equal to payload available before entering for each loop which was [5, 10, 15, 20].
Similarly variable value updated in for each loop is also available outside hence variable value is 5 as it was updated in loop.
5) Hence correct answer is [[5, 10, 15, 20], 5]
For Each Scope
The For Each scope splits a payload into elements and processes them one by one through the components that you place in the scope. It is similar to a for-each/for loop code block in most programming languages and can process any collection, including lists and arrays. The collection can be any supported content type, such as application/json, application/java, or application/xml.
General considerations about the For Each scope:
By default, For Each tries to split the payload. If the payload is a simple Java collection, the For Each scope can split it without any configuration. The payload inside the For Each scope is each of the split elements.
Attributes within the original message are ignored because they are related to the entire message.
For Each does not modify the current payload. The output payload is the same as the input.
For non-Java collections, such as XML or JSON, use a DataWeave expression to split data. Use the Collection field for this purpose.
54. Frage
Refer to the exhibits.
What payload and quantity are togged at the end of the main flow?
Antwort: C
55. Frage
Refer to the exhibit.
What Database expression transforms the input to the output?
A)
B)
C)
D)
Antwort: A
56. Frage
Refer to the exhibits.
As a mulesoft developer, what you would change in Database connector configuration to resolve this error?
Antwort: B
Begründung:
Correct answer is Configure the correct JDBC driver as error message suggests the same Caused by: java.sql.SQLException: Error trying to load driver: com.mysql.jdbc.Driver : Cannot load class 'com.mysql.jdbc.Driver': [ Class 'com.mysql.jdbc.Driver' has no package mapping for region 'domain/default/app/mule_app'., Cannot load class 'com.mysql.jdbc.Driver': [
57. Frage
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