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Mule-Dev-201 Exam Answers | Mule-Dev-201 Latest Exam

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Salesforce Mule-Dev-201 Latest Exam - Mule-Dev-201 New Cram Materials

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Salesforce Certified MuleSoft Developer Sample Questions (Q128-Q133):

NEW QUESTION # 128
What HTTP method in a RESTful web service is typically used to completely replace an existing resource?

A. PUT
B. PATCH
C. POST
D. GET

Answer: A

Explanation:
PUT replaces the original version of the resource, whereas the PATCH method supplies a set of instructions to modify theresource

NEW QUESTION # 129
Which keyword do you use to create a new function in DataWeave?

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

Answer: B

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 # 130
A Mule project contains a DataWeave module like WebStore.dwl that defines a function named loginUser.
The module file is located in the project's src/main/resources/libs/etl folder.
What is correctDataWeave code to import all of the WebStore.dwl file's functions and then call the loginUser function for the login "Todd.Pal@mulesoft.com"?

A. 1. 1. import libs.etl.WebStore2. 2. ---3. 3. loginUser("Todd.Pal@mulesoft.com")
B. 1. 1. import * from libs::etl::WebStore2. 2. ---3. 3. loginUser("Todd.Pal@mulesoft.com")
C. 1. 1. import * fromlibs::etl2. 2. ---3. 3. WebStore::loginUser("Todd.Pal@mulesoft.com")
D. 1. 1. import libs.etl2. 2. ---3. 3. WebStore.loginUser("Todd.Pal@mulesoft.com")

Answer: B

Explanation:
* To use custom modules, you need to import the module or functions you want to use by adding the import directive to the head of your DataWeave script, for example:
1) Does not identify any functions to import from the String module:
import dw::core::Strings
2) To identify a specific function to import from the String module:
import camelize, capitalize from dw::core::Strings
3) To import all functions from the String module:
import * from dw::core::Strings
The way you import a module impacts the wayyou need to call its functions from a DataWeave script. If the directive does not list specific functions to import or use * from to import all functions from a function module, you need to specify the module when you call the function from your script.
*In given scenario, it's mentioned to import all of the WebStore.dwl
So correct answer is:
Reference:https://docs.mulesoft.com/mule-runtime/4.3/dw-functions

NEW QUESTION # 131
Refer to the below exhibit.
A Mule applicationconfigures a property placeholder file named config.yaml to set some property placeholders for an HTTP connector.
What is the valid properties placeholder file to set these values?

A. 1.http:2.host = "localhost"3.port = "8081"
B. 1.http:2.basepath: "api"3.host : "localhost"4.port : "8081"
C. 1.http.host = localhost2.http.port = 8081
D. 1.{2.http:3.basePath: "api",4.port: "8081",5.host: " localhost"

Answer: B

Explanation:
Correct answer is as below as it follows the correct syntax.
* http:
* basepath:"api"
* host:"localhost"
* port:"8081"
Mule Doc Reference : https://docs.mulesoft.com/mule-runtime/4.3/mule-app-properties-to-configure

NEW QUESTION # 132
A Database On Table Row listener retrieves data from a CUSTOMER table that contains a primary key userjd column and an increasing kxjin_date_time column. Neither column allows duplicate values.
How should the listener be configured so it retrieves each row at most one time?

A. Set the target value to the last retrieved login_date_time value
B. Set the watermark column to the user_Id column
C. Set the target value to thelast retrieved user_jd value
D. Set the watermark column to the bgin_date_time column

Answer: D

Explanation:
* Watermark allows the poll scope to poll for new resources instead of getting the same resource over and over again.
* The database table must be ordered so that the"watermark functionality" can move effectively in the ordered list. Watermark stores the current/last picked up "record id."
* If the Mule application is shut down, it will store the last picked up "record id" in the Java Object Store and the data will continue to exist in the file. This watermark functionality is valuable and enables developers to have increased transparency.
* Developers do not need to create code to handle caching; it is all configurable!
* There are two columns and both are unique butuser_id can't guaranty sequence whereas date_time will always be in increasing order and table content can easily be ordered on the basis of last processed date_time.
So correct answer is: Set the watermark column to the date_time column

NEW QUESTION # 133
......

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