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Salesforce Mule-Dev-201 Exam Syllabus Topics:

Section	Weight	Objectives
MuleSoft Fundamentals	10%	- Describe the Mule application structure and flow types - Explain what Anypoint Platform is and its components - Describe what Mule applications do and how they are built
DataWeave Transformation	14%	- Transform complex data structures - Define and use DataWeave variables and functions - Use DataWeave functions and operators - Write DataWeave transformations
Deploying and Managing Applications	10%	- Describe monitoring and management capabilities - Deploy applications to CloudHub - Configure deployment options - Explain application deployment models
Testing and Debugging	10%	- Debug Mule applications using Studio - Write unit tests for Mule applications - Use mock attributes in tests
Designing Mule Applications	14%	- Define API specs using RAML - Implement an API using APIkit - Explain the benefits of API-led connectivity - Describe the role of API Manager
Structuring Mule Applications	10%	- Use properties and configuration values - Reference external configuration files - Organize applications using modular design patterns
Building Mule Applications	32%	- Create flows using Anypoint Studio - Configure properties and parameters - Use transformers and DataWeave - Implement error handling - Use connectors for common operations (Database, HTTP, Salesforce) - Use the logger component

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Salesforce Certified MuleSoft Developer Sample Questions (Q87-Q92):

NEW QUESTION # 87
A Mule application contains aglobal error handler configured to catch any errors.
Where must the global error handler be specified so that the global error handler catches all errors from flows without their own error handlers?

A. Nowhere, the global error handler is automatically used
B. The pom.xml file
C. A configuration properties file
D. A global element

Answer: D

Explanation:
Correct answer is A global element
Global error handlers are to be created in global element .
Quick note to remember here is Global error handlers come in to pictureonly when there are no error handlers specified as flow level.
Steps to create Global error handler
1) Click Global Elements to open Global Configuration Elements. Global Elements is located below the Studio canvas
2) In Global Configuration Elements,click Create to open the Choose Global Type dialog Graphical user interface, text, application, chat or text message Description automatically generated

3) From the dialog, select Global Configuration -# Configuration, and then click OK to open the Configuration dialog.
Graphical user interface, text, application, email Description automatically generated

4) From the select Configuration dialog, select allErrorHandler for the Default Error Handler field, and click OK.

NEW QUESTION # 88
Which keyword do you use to create a new function in DataWeave?

A. fun
B. map
C. func
D. function

Answer: A

Explanation:
You can define your own DataWeave functionsusing the fun declaration in the header of a DataWeave script.
Sample is as below. ----------------------------------------
%dw 2.0
output application/json
fun toUpper(aString) = upper(aString)
---
toUpper("hello")
MuleSoft Doc Ref : https://docs.mulesoft.com/mule-runtime/4.1/dataweave-functions

NEW QUESTION # 89
Refer to the exhibits.
Larger image

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The Mule application configures and uses two HTTP Listener global configuration elements.
Mule application is run in Anypoint Studio.
If the mule application starts correctly, what URI and port numbers can receive web client requests? If the mule applications fails to start , what is the reason for the failure?

A. The mule application fails to startThere is URL path conflict because both HTTP Listeners are configured with same path
B. The mule applicationstart successfullyWeb client requests can only be received at URI on port 2222 but not on port 3333
C. The mule application fails to start because of the port binding conflict as HTTP request also use same port i.e. 3333
D. The mule application start successfullyWeb client requests can be received at URI on port 2222 and on port 3333.

Answer: D

Explanation:
In this case both the flows can start without any error and requests can be received on both ports. Flow names
httpListener1 can call other flow using HTTP request without any issues.
Hence correct answer is
The mule application start successfully
Web client requests can be received at URI on port 2222 and on port 3333.
Lets check why other options are incorrect
1) The mule application fails to start. There isURL path conflict because both HTTP Listeners are configured with same path ---- This is incorrect as port value is different in both listeners
2) The mule application start successfully. Web client requests can only be received at URI on port 2222 but not on port 3333 --- This is incorrect as there is no reason for not receiving requests on port 3333
3) The mule application fails to start because of the port binding conflict as HTTP request also use same port i.
e. 3333 --- Port binding conflict will nothappen in this case. It would have if both listener configurations would have been on same port . But that is not the case here.
Mule Ref Doc : HTTPListener Reference - Mule 4 | MuleSoft Documentation

NEW QUESTION # 90
Refer to the exhibit.

What should be changed to fix the 415 error?

A. set theresponse Content-Type header to application/json
B. set the request Content-Type header to text/plain
C. Set the request Content-Type header to application/] son
D. set the response Content-Type header to text/plain

Answer: C

Explanation:
The HTTP 415 Unsupported Media Type client error response code indicates that the server refuses to accept the request because the payload format is in an unsupported format. The format problem might be due to the request's indicated Content-Type or Content-Encoding , or as a result of inspecting the data directly. In this case as per RAML specification data is expected in application/json and in request Content-Type is set as "text
/plain" which is incorrect. Hence solution is set the request Content-Type header to application/json
https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/415

NEW QUESTION # 91
What happens to the attributes of a Mule event in a flow after an outbound HTTP Request is made?

A. Previous attributes are passed unchanged
B. Attributes do not change
C. New attributes may be added from the HTTP response headers, but no headers are ever removed
D. Attributes arereplaced with new attributes from the HTTP Request response (which might be null)

Answer: D

Explanation:
Attributes are replaced with new attributes from the HTTP Request response.
Attributes include everything apart from Payload/body. For ex: Headers, query parameters, URI parameters.
So, when outbound HTTP request is made, new attributes need to passthe outbound HTTP request and old attributes are replaced.
I have created below diagram to make it easy for you to understand:
Diagram Description automatically generated

NEW QUESTION # 92
......

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