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MuleSoft Certified Developer Level 1 Self-Paced Study Guide eBook

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Table of Content

Chapter 1: Introduction …… 18
Chapter 2: Explaining Application Network Basics …… 23
Chapter 3: Designing and Consuming APIs …… 35
Chapter 4: Accessing and Modifying Mule Events …… 42
Chapter 5: Structuring Mule Applications …… 48
Chapter 6: Building API Implementation Interfaces …… 56
Chapter 7: Handling Errors …… 65
Chapter 8: Transforming Data with DataWeave …… 74
Chapter 9: Using Connectors …… 82
Chapter 10: Processing Records …… 89
Chapter 11: Debugging and Troubleshooting Mule Applications …… 98
Chapter 12: Deploying and Managing APIs and Integrations …… 104

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Description

Welcome to our ebook, “MuleSoft Certified Developer Level 1 Study Guide“. This resource has been meticulously crafted to provide a comprehensive guide for those who are aspiring to take a significant step in their MuleSoft career.

 

Who is this book for
This book is primarily aimed at individuals looking to take the MuleSoft Certified Developer Level 1 Study Guide. Whether you’re an absolute beginner seeking to kick-start your journey in MuleSoft, or you are a professional who’s familiar with the platform and looking to validate your skills, this guide provides a well-structured path to prepare for the certification.

This book will also be beneficial for IT professionals who want to understand MuleSoft capabilities and potential, team leaders who manage MuleSoft projects, and any ambitious individuals keen on delving into the MuleSoft ecosystem.

Exam details
The MuleSoft Certified Developer Level 1 Study Guide is a testament to your knowledge and skills in MuleSoft. It proves your ability to implement, configure, and manage MuleSoft applications in real-world scenarios.

The exam typically comprises 60 multiple-choice questions to be answered in 120 minutes. A passing score is 70%, meaning you must correctly answer at least 42 questions. However, bear in mind that MuleSoft exams are subject to change, and the exact format and passing score may vary.

Exam outline
The exam validates that you can perform the following tasks.


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.

Designing and consuming APIs

  • 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.

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.

Building API implementation interfaces

  • 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.

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.

This ebook covers all these areas in detail. We delve deep into each topic, breaking down complex concepts into comprehensible nuggets. We also provide practical examples and scenarios to aid your understanding and prepare you for the type of questions you might encounter in the exam.