Understanding functional and technical aspects of MuleSoft Certified Developer - Level 1 Structuring Mule applications
The following will be asked from you in the exam:
- Break an application into multiple flows using private flows, subflows, and the Flow Reference component
- 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) exists in a flow before and after a call in the middle of a flow to an external resource
- 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
- Parameterize an application using property placeholders
Reference: https://training.mulesoft.com/exam/mcd-level1
Objectives for This Validation
There are varied topics targeting the MuleSoft Certified Developer - Level 1 (Mule 4) certificate. They are as follows:
- Deployment and Managing of APIs & Integrations
This area relates to packaging Mule apps in readiness for deployment, deploying applications, developing and positioning API proxies, connection and execution of API, and utilizing policies for enforcing ID. Also, it takes in the creation of SLA tiers in addition to the application of SLA policies.
- Structuring Mule Applications
This sector concerns data and it goes ahead to cover tasks such as parameterizing applications, describing and reutilizing global configurations, elements of Flow Reference, private flows, and subflows in breaking an application. Additionally, you will have to identify which data is used between flows and before & after a call. Finally, candidates will have to be proficient in Mule events and resources used for external purposes.
- App Network Fundamentals
This area includes such concepts as IT delivery gap, C4E (Center for Enablement), modern API, as well as the HTTP protocol. It is also about capabilities and elements accessible in Anypoint, which also target the API full lifecycle. Apart from these, candidates will get exposed to API connectivity, interface, execution, and invocation alongside application networking facets, requests, and responses.
- Using Connectors
Here, candidates must have a comprehension of techniques for data retrieval, parameterized queries targeting SQL, passing arguments, SOAP consumption for the web, listing, and reading in addition to writing local as well as remote files. The final issue on this topic is centered on publishing alongside listening for messages related to JMS.
- Routing Events
This topic incorporates the usage of Scatter-Gather Router in multicasting events, Choice Router in routing events, and the use of Validation Module for validating data.
- Handling Errors
This section embraces controlling default errors as well as custom global default inaccuracies, stating error handlers, structures for data, and an app mapping of errors. Also, you will have to differentiate between the On Error Continue & On Error Propagate parts and define the Mule Error object.
- Building Execution for API
It handles creating interfaces called RESTful that target Mule apps, giving rise to REST Connectors form a RAML tool, comprehending how to carry out routing requests, and covers API alongside its strengths and weaknesses. Besides, the creation execution flows from a RAML file by making use of APIkit will be looked into within this section.
- Debugging and Troubleshooting Mule Application
It takes care of inspecting Mules, installation of lacking Maven dependencies, and going through and interpreting error alerts from messages for logs related to Mule.
- Transforming Data with DataWeave
This topic goes into the matters of custom data varieties, DataWeave functions and scripts, Mule Flows, and DataWeave syntax. Additionally, candidates will get equipped with such skills as operating with JSON, XML, and Java data chunks as well as their content, and custom data pieces.
- Creation and Consumption of APIs
In this domain, candidates will tackle issues with the APIs lifecycle, query parameters, RAML, parameters for URI, and those data types that can be reused. What's more, examinees will be highlighted on samples for format independence, RESTful requests, headers, and nested sources.
- Record processing
A domain like this refers to ways of processing data and Mule events, automatic and manual watermarks, and triggering flows. Apart from these, applicants will learn how to take advantage of the For Each scope, Batch Job, Batch Steps, and Batch Aggregator to accomplish record processing. Finally, the utilization of the Object Store will assist you in persisting data chunks between flows.
- Accessing and Modifying Mule Events
This scope builds skills in data structure targeting Mule events, transformers, payloads, target parameters, and DataWeave features as well as expressions, which are essential in enhancing Mule events.
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:
- Write DataWeave scripts to convert JSON, XML, and Java data structures to different data structures and data types.
- Transforming data with DataWeave
- Call Mule flows from a DataWeave script
- Apply correct DataWeave syntax to format strings, numbers, and dates
- Use DataWeave functions
- Apply correct DataWeave syntax to coerce data types
- Define and use DataWeave variables, functions, and modules
- Define and use custom data types
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MuleSoft MCD-Level-1 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Designing APIs | - API design best practices - RAML basics |
| Anypoint Platform Fundamentals | - API-led connectivity concepts - Anypoint Platform components |
| Deployment and Operations | - CloudHub deployment - Monitoring and logging |
| DataWeave | - Data transformation basics - Mapping and functions |
| Error Handling and Debugging | - Debugging Mule applications - Error types and strategies |
| Implementing Mule Applications | - Mule flows and event processing - Connectors and components |
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