MuleSoft Updated MCD-Level-1 Exam Questions and Answers by willow-rose

Database always return rows as an array.

Array is the correct answer

You can define your own DataWeave functions using 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

Mule applications can be scaled vertically by changing worker size. Mule applications can be scaled horizontally by adding more workers.