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Course Description

MuleSoft Certified Developer – Level 1 (Mule 4) should be able to successfully work on basic Mule 4 projects with guidance and supervision. The MCD – Level 1 (Mule 4) DELTA exam validates that a certified MuleSoft Certified Developer – Integration and API Associate (Mule 3.8+) has the required knowledge and skills to design, build, test and debug, deploy, and manage basic Mule 4 APIs and integrations.

Objectives

She(or)He should be able to:

  • Use MuleSoft-hosted Anypoint Platform to take a basic API through all the steps of its lifecycle: design, build, deploy, manage, and govern.
  • Use Anypoint Studio to build, test, and debug basic Mule 4 integrations and API implementations.
  • Use Mule 4 connectors to connect to a range of resources including databases, files, web services, SaaS applications, and JMS queues.
  • Perform basic data transformations using DataWeave 2.
  • Use Mule 4 event processors to control event flow, handle errors, and process batch records.

Audience

Prerequisites

Content

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

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

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

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

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

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

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

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

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: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

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