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MuleSoft Updated MCD-Level-1 Exam Blueprint, Syllabus and Topics

MuleSoft Certified Developer - Level 1 (Mule 4)

Last Update Jul 15, 2024
Total Questions : 235

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MuleSoft MCD-Level-1 Exam Overview :

Exam Name MuleSoft Certified Developer - Level 1 (Mule 4)
Exam Code MCD-Level-1
Actual Exam Duration 120 minutes
Expected no. of Questions in Actual Exam 60
Exam Registration Price $250
Official Information
See Expected Questions MuleSoft MCD-Level-1 Expected Questions in Actual Exam
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MuleSoft MCD-Level-1 Exam Topics :

Section Weight Objectives
Explaining application network basics  
  • Explain MuleSoft’s proposal for closing the IT delivery gap.
  • Describe the role and characteristics of the “modern API.”
  • Describe the purpose and roles of a Center for Enablement (C4E).
  • Define and describe the benefits of API-led connectivity and application networks.
  • Define and correctly use the terms API, API implementation, API interface, API consumer, and API invocation.
  • Describe the basics of the HTTP protocol and the characteristics of requests and responses.
  • Describe the capabilities and high-level components of Anypoint Platform for the API lifecycle.


  • DEV: FUN4 Module 1
  • DEV: FUN4 Module 2
Designing and consuming APIs  
  • Describe the lifecycle of the “modern API.”
  • Use RAML to define API resources, nested resources, and methods.
  • Identify when and how to define query parameters vs URI parameters.
  • Use RAML to define API parameters, requests, and responses.
  • Use RAML to define reusable data types and format-independent examples.
  • Read a RAML spec and formulate RESTful requests with query parameters and/or headers as appropriate.


  • DEV: FUN4 Module 3
  • DEV: DIY4 Exercise 3-1 and 4-1
Accessing and modifying Mule events  
  • Describe the Mule event data structure.
  • Use transformers to set event payloads, attributes, and variables.
  • Write DataWeave expressions to access and modify event payloads, attributes, and variables.
  • Enrich Mule events using target parameters.


  • DEV: FUN4 Module 6
  • DEV: DIY4 Exercise 6-1, 7-1, and 7-2
  • Enrich Data with Target Parameters
Structuring Mule applications  
  • Parameterize an application using property placeholders.
  • Define and reuse global configurations in an application.
  • Break an application into multiple flows using private flows, subflows, and the Flow Reference component.
  • Specify what data (payload, attributes, variables) is persisted between flows when a Flow Reference is used.
  • Specify what data (payload, attributes, variables) is persisted between flows when a Mule event crosses a connection boundary.
  • Specify what data (payload, attributes, variables) exists in a flow before and after a call in the middle of a flow to an external resource.


  • DEV: FUN4 Module 7
  • DEV: DIY4 Exercise 7-1 and 7-2
Building API implementation interfaces  
  • Manually create a RESTful interface for a Mule application.
  • Generate a REST Connector from a RAML specification.
  • Describe the features and benefits of APIkit.
  • Use APIkit to create implementation flows from a RAML file.
  • Describe how requests are routed through flows generated by APIkit.


  • DEV: FUN4 Module 4
  • DEV: FUN4 Module 8
  • DEV: DIY4 Exercise 4-1
Routing events  
  • Use the Choice router to route events based on conditional logic.
  • Use the Scatter-Gather router to multicast events.
  • Validate data using the Validation module.


  • DEV: FUN4 Module 9
  • DEV: DIY4 Exercise 9-1
Handling errors  
  • Describe the default error handling in a Mule application.
  • Define a custom global default error handler for an application and identify in what situations it will be used.
  • Compare and contrast how the On Error Continue and On Error Propagate scopes work.
  • Create one or more error handlers for a flow.
  • Use the Try scope to specify error handlers for one or more event processors.
  • Describe the data structure of the Mule Error object.
  • Map errors to custom application errors.


  • DEV: FUN4 Module 10
  • DEV: DIY4 Exercise 10-1
Transforming data with DataWeave  
  • Write DataWeave scripts to convert JSON, XML, and Java data structures to different data structures and data types.
  • Use DataWeave functions.
  • Define and use DataWeave variables, functions, and modules.
  • Define and use custom data types.
  • Apply correct DataWeave syntax to coerce data types.
  • Apply correct DataWeave syntax to format strings, numbers, and dates.
  • Call Mule flows from a DataWeave script.


  • DEV: FUN4 Module 11
  • DEV: DIY4 Exercise 11-1
Using Connectors  
  • Retrieve data from a Database using the Database connector.
  • Create parameterized SQL queries for the Database connector.
  • Retrieve data from a REST service using HTTP Request or a REST Connector.
  • Use a Web Service Consumer connector to consume SOAP web services.
  • Use the Transform Message component to pass arguments to a SOAP web service.
  • List, read, and write local files using the File connector.
  • List, read, and write remote files using the FTP connector.
  • Use the JMS connector to publish and listen for JMS messages.


  • DEV: FUN4 Module 4
  • DEV: FUN4 Module 8
  • DEV: FUN4 Module 12
  • DEV: DIY4 Exercise 4-1, 8-1, 12-1, and 12-2
Processing records  
  • List and compare and contrast the methods for processing individual records in a collection.
  • Explain how Mule events are processed by the For Each scope.
  • Use the For Each scope to process records.
  • Explain how Mule events are processed by the Batch Job scope.
  • Use a Batch Job with Batch Steps and a Batch Aggregator to process records.
  • Use the Scheduler component to trigger a flow.
  • Use connector listeners to trigger flows.
  • Describe the features, benefits, and process to use watermarking.
  • Describe the features, benefits, and process to use automatic watermarking vs. manual watermarking.
  • Use connectors with automatic watermarking capabilities.
  • Persist data between flow executions using the Object Store.


  • DEV: FUN4 Module 12
  • DEV: FUN4 Module 13
  • DEV: DIY4 Exercise 13-1
Debugging and troubleshooting Mule applications  
  • Use breakpoints to inspect a Mule event during runtime.
  • Install missing Maven dependencies.
  • Read and decipher Mule log error messages


  • DEV: FUN4 Module 6
  • DEV: FUN4 all WTs
  • DEV: DIY4 Exercise 6-1 and Walkthrough
  • DEV: DIY4 all exercises
Deploying and managing APIs and integrations  
  • Package Mule applications for deployment.
  • Deploy applications to CloudHub.
  • Use CloudHub properties to ensure deployment success.
  • Create and deploy API proxies.
  • Connect an API implementation to API Manager using autodiscovery.
  • Use policies, including client ID enforcement, to secure an API.
  • Create SLA tiers and apply SLA based policies.


  • DEV: FUN4 Module 5
  • DEV: DIY4 Exercise 5-1 and 5-2
  • Configuring API Autodiscovery in a Mule 4 Application

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