Understanding functional and technical aspects of MuleSoft Certified Developer - Level 1 Transforming data with DataWeave

The following will be asked from you in the exam:

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

Reference: https://training.mulesoft.com/exam/mcd-level1

Understanding functional and technical aspects of MuleSoft Certified Developer - Level 1 Processing records

The following will be asked from you in the exam:

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

Understanding functional and technical aspects of MuleSoft Certified Developer - Level 1 Handling errors

The following will be asked from you in the exam:

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

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