Introduction to MuleSoft Certified Developer - Integration and API Associate (Mule 3) Exam

A MuleSoft Certified Developer - Integration and API Associate should be able to successfully work on basic Mule 4 projects with guidance and supervision. The MCD-ASSOC exam validates that a developer has the required knowledge and skills to design, build, test and debug, deploy, and manage basic APIs and integrations: moving from Anypoint Platform to Anypoint Studio and back. Certified candidates 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.
• Control event flow and handle errors.
• Connect to a range of resources including databases, files, web services, SaaS applications, and JMS queues.
• Perform basic data transformations using DataWeave 2.0.
• Use Anypoint Studio to build, test, and debug basic integrations and API implementations.
• Process batch records

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Topics of MuleSoft Certified Developer - Integration and API Associate (Mule 3) Exam

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our MuleSoft Certified Developer - Integration and API Associate (Mule 3) exam dumps will include the following topics:

1. Explaining application network basics

• Describe the basics of the HTTP protocol and the characteristics of requests and responses.
• 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 role and characteristics of the “modern API.”
• Describe the capabilities and high-level components of Anypoint Platform for the API lifecycle.
• Describe the purpose and roles of a Center for Enablement (C4E).
• Explain MuleSoft's proposal for closing the IT delivery gap.

2. Designing and consuming APIs

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

3. Accessing and modifying Mule events

• Use transformers to set event payloads, attributes, and variables.
• Enrich Mule events using target parameters.
• Write DataWeave expressions to access and modify event payloads, attributes, and variables.
• Describe the Mule event data structure.

4. Structuring Mule applications

• 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.
• 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) exists in a flow before and after a call in the middle of a flow to an external resource.
• Parameterize an application using property placeholders.

5. Building API implementation interfaces

• Describe how requests are routed through flows generated by APIkit.
• Use APIkit to create implementation flows from a RAML file.
• Describe the features and benefits of APIkit.
• Generate a REST Connector from a RAML specification.
• Manually create a RESTful interface for a Mule application.

6. 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.

7. Handling errors

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

8. 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 custom data types.
• Define and use DataWeave variables, functions, and modules.
• Call Mule flows from a DataWeave script.
• Apply correct DataWeave syntax to coerce data types.
• Apply correct DataWeave syntax to format strings, numbers, and dates.

9. Using Connectors

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

10. Processing records

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

11. 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.

12. Deploying and managing APIs and integrations

• Connect an API implementation to API Manager using autodiscovery.
• Create and deploy API proxies.
• Package Mule applications for deployment.
• Create SLA tiers and apply SLA based policies.
• Use CloudHub properties to ensure deployment success.
• Deploy applications to CloudHub.
• Use policies, including client ID enforcement, to secure an API.

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