Vendor: Mulesoft
Exam Code: MCD-LEVEL1
Exam Name: MuleSoft Certified Developer - Level 1 (Mule 4)
Certification: Mulesoft Certifications
Total Questions: 234 Q&A
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Updated on: Jun 01, 2026
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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 correct DataWeave 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
2.
2. --
3.
3. WebStore.loginUser("Todd.Pal@mulesoft.com")
B. 1. 1. import * from libs::etl
2.
2. --
3.
3. WebStore::loginUser("Todd.Pal@mulesoft.com")
C. 1. 1. import libs.etl.WebStore
2.
2. --
3.
3. loginUser("Todd.Pal@mulesoft.com")
D. 1. 1. import * from libs::etl::WebStore
2.
2. --
3.
3. loginUser("Todd.Pal@mulesoft.com")
Refer to the exhibit.

A Mule event is composed of a hierarchy of objects. Where in the hierarchy are variables stored?
A. Mule event
B. Mule message payload
C. Mule message
D. Mule message attributes
An organization is beginning to follow Mulesoft's recommended API led connectivity approach to use modern API to support the development and lifecycle of the integration solutions and to close the IT delivery gap. What distinguishes between how modern API's are organized in a MuleSoft recommended API-led connectivity approach as compared to other common enterprise integration solutions?
A. The API interfaces are specified as macroservices with one API representing all the business logic of an existing and proven end to end solution
B. The API interfaces are specified at a granularity intended for developers to consume specific aspect of integration processes
C. The API implementation are built with standards using common lifecycle and centralized configuration management tools
D. The APIO implementations are monitored with common tools, centralized monitoring and security systems
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