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Salesforce Salesforce-MuleSoft-Developer-I Exam Syllabus Topics:

Section	Objectives
DataWeave and Transformation	- Data transformation fundamentals 1. DataWeave syntax and functions 2. Mapping and transformation logic
API Design and Development	- API implementation 1. Error handling strategies 2. Flows and components in Mule 4 - Designing APIs using RAML and REST principles 1. RAML specifications 2. RESTful API design best practices
Connectivity and Integration	- System integration patterns 1. Database connectors 2. HTTP, JMS, and SaaS connectors
Anypoint Platform Fundamentals	- Platform components and architecture 1. API-led connectivity approach 2. Anypoint Platform overview
Deployment and Operations	- Deploying Mule applications 1. Monitoring and logging 2. CloudHub deployment basics

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Salesforce Certified MuleSoft Developer (Mule-Dev-201) Sample Questions (Q29-Q34):

NEW QUESTION # 29
Refer to the exhibits.

What payload and variable are logged at the end of the main flow?

A. [[5, 10, 15, 20], 1]
B. [[Req5, Req10, Req15, Req20], 5]
C. [Req5Req10,Req15Req20, 5]
D. [[5, 10, 15, 20], 5]

Answer: D

Explanation:
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 dat a. Use the Collection field for this purpose.

NEW QUESTION # 30
A company has defined two RAML fragments, Book Data Type and Book Example to be used in APIs.
What would be valid RAML to use these fragments ?

A. 1. #%RAML 1.0
2. title: Books
3. Book: bookDataType.raml
4. /books:
5. post:
6. body:
7. application/json:
8. type: Book
9. examples:
10. input: bookExample.raml
11. responses:
12. 201:
13. body:
14. application/json:
15. example:
16. message: Book added
B. 1. #%RAML 1.0
2. title: Books
3. Book: bookDataType.raml
4. /books:
5. post:
6. body:
7. application/json:
8. type: Book
9. examples:
10. input: bookExample.raml
11. responses:
12. 201:
13. body:
14. application/json:
15. example:
16. message: Book added
C. 1. #%RAML 1.0
2. title: Books
3. Book: !include bookDataType.raml
4. /books:
5. post:
6. body:
7. application/json:
8. type: Book
9. examples:
10. input: !include bookExample.raml
11. responses:
12. 201:
13. body:
14. application/json:
15. example:
16. message: Book added
D. 1. #%RAML 1.0
2. title: Books
3. types:
4. Book: ABC/Examples/bookDataType.raml
5. /books:
6. post:
7. body:
8. application/json:
9. type: Book
10. examples:
11. input: ABC/Examples/bookExample.raml
12. responses:
13. 201:
14. body:
15. application/json:
16. example:
17. message: Book added

Answer: B

Explanation:
* RAML file contains lot of information that could be considered as "not API-describing". Sort of "economy-class" members.
Equally important, but not necessarily part of the main RAML file.
* Through !includes, RAML allows us to build file-distributed API definitions, which is not only useful to encourage code reuse but also improves readability.
* We can create RAML fragments with such code and then include them in main RAML project using !include like:
types:
Book: !include bookDataType.raml and
examples:
input: !include bookExample.raml
* Additionally for
---------------------------------------------------------------------------------------------------------------------------------------- Correct Answer: D

NEW QUESTION # 31
What happens to the attributes of a Mule event in a flow after an outbound HTTP Request is made?

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

Answer: C

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 pass the outbound HTTP request and old attributes are replaced.
I have created below diagram to make it easy for you to understand:

NEW QUESTION # 32
Refer to the exhibit.

The Mule application's connectors areconfigured with property placeholders whose values are set in the config.yaml file What must be added to the Mule application to link the config.yaml file's values with the property placeholders?

A. A propertiesFile key/value pair in the mule-artifact json file
B. A configuration-properties element in the acme-app xml file
C. A file-config element in the acrne-app xml file
D. A dependency element in the pom xml file

Answer: B

NEW QUESTION # 33
A company has an API to manage departments, with each department identified by a unique deptld. The API was built with RAML according to MuleSoft best practices.
What isvalid RAML to specify a method to update the details for a specific department?

Answer: A

Explanation:
URI parameter is basically used to identify a specific resource or resources
* Here we want toupdate details about specific department, so question is asking 'How to use URI parameter' in RAML
* Correct answer is
/departments:
/{deptId}:
patch:
Reference:https://docs.mulesoft.com/design-center/design-common-problems-raml-10

NEW QUESTION # 34
......

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