MuleSoft Certified Developer-Level 1 (Mule 4) Practice Exam

MuleSoft Certified Developer-Level 1 (Mule 4) 


About MuleSoft Certified Developer-Level 1 (Mule 4) 

A MuleSoft Certified Developer – Level 1 should be able to successfully work on basic Mule 4 projects with guidance and supervision. The MCD – Level 1 (Mule 4) 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.


Skills Acquired

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.
  • Use Anypoint Studio to build, test, and debug basic integrations and API implementations.
  • Connect to a range of resources including databases, files, web services, SaaS applications, and JMS queues.
  • Perform basic data transformations using DataWeave 2.0.
  • Control event flow and handle errors.
  • Process batch records.


Exam Details

  • Format: Multiple-choice, closed book, proctored, online or at a testing center
  • Length: 60 questions
  • Duration: 120 minutes (2 hours)
  • Pass score: 70%
  • Language: English
  • Exam Fees: $250 and 1 Flexible Training Credit (FTC)


You can take the exam a maximum of 5 times, with a 24-hour wait between each attempt.


Exam Validity

The certification expires two years from the date you pass the exam. To extend the certification validity after this date, you can take the MuleSoft Certified Developer – Level 1 (Mule 4) MAINTENANCE exam.



Course Outline

The MuleSoft Certified Developer-Level 1 (Mule 4) Exam covers the following topcis - 

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

  • 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.


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.


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.


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.


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.


What do we offer?

  • Full-Length Mock Test with unique questions in each test set
  • Practice objective questions with section-wise scores
  • In-depth and exhaustive explanation for every question
  • Reliable exam reports evaluating strengths and weaknesses
  • Latest Questions with an updated version
  • Tips & Tricks to crack the test
  • Unlimited access

What are our Practice Exams?

  • Practice exams have been designed by professionals and domain experts that simulate real-time exam scenario.
  • Practice exam questions have been created on the basis of content outlined in the official documentation.
  • Each set in the practice exam contains unique questions built with the intent to provide real-time experience to the candidates as well as gain more confidence during exam preparation.
  • Practice exams help to self-evaluate against the exam content and work towards building strength to clear the exam.
  • You can also create your own practice exam based on your choice and preference 

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