Free MCD - Level 1 Sample Questions — MuleSoft Certified Developer - Level 1 (Mule 4)

How would you debug Mule applications?

• A. Using breakpoints
• B. Checking RAML
• C. By Deploying apps on production
• D. Cannot do it

An organization's Center for Enablement (CAE) has built foundational assets (API specifications and implementation template, common frameworks, and best practices guides) and published them to Anypoint Exchange. What is a metric related to these foundational assets that helps the organization measure the success of its C4E efforts?

• A. Correlation of key performance indicators (KPIs) of production applications with foundational assets
• B. Correlation of each foundational asset with the counts of developers that downloaded each asset
• C. Utilization counts of foundational assets in production applications
• D. Counts of how many lines of businesses (LoBs) consumed each foundational asset

How to import Core (dw::Core) module into your DataWeave scripts?

• A. import dw::core
• B. Not needed
• C. None of these
• D. import core

What is the output type of the DataWeave map operator?

• A. Object
• B. Array
• C. Map
• D. String

How does Runtime Manager Console connect with App Data and Logs of a Mule app?

• A. None of these
• B. Integration Apps
• C. CloudHub Workers
• D. Rest API

What HTTP method in a RESTful web service is typically used to completely replace an existing resource?

• A. GET
• B. PATCH
• C. POST
• D. PUT

Why would a Mule application use the ${http.port} property placeholder for its HTTP Listener port when it is deployed to CloudHub?

• A. Allows CloudHub to automatically change the HTTP port to allow external clients to connect to the HTTP Listener
• B. Allows clients to VPN directly to the application at the Mule application's configured HTTP port
• C. Allows MuleSoft Support to troubleshoot the application by connecting directly to the HTTP Listener
• D. Allows CloudHub to automatically register the application with API Manager

Which keyword do you use to create a new function in DataWeave?

• A. function
• B. fun
• C. func
• D. None of these

What DataWeave 2.0 type can be used as input to a mapObject operation?

• A. Array
• B. Object
• C. String
• D. Map

In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do?

• A. To save the most recent records retrieved from a database to enable database caching
• B. To enable duplicate processing of records in a database
• C. To avoid duplicate processing of records in a database
• D. To delete the most recent records retrieved from a database to enable database caching

Where does a deployed flow designer application run in Anypoint Platform?

• A. CloudHub worker
• B. API Manager
• C. Design Center
• D. Exchange

A web client sends a request to http://localhost:8081?dept=sales. What is the correct DataWeave expression to access the value of dept?

• A. attributes.queryParams.dept
• B. attributes.dept
• C. message.queryParams.dept
• D. vars.dept

What statement is a part of MuleSoft's description of an application network?

• A. Creates and manages high availability and fault tolerant services and infrastructure
• B. Creates reusable APIs and assets designed to be consumed by other business units
• C. Creates and manages a collection of JMS messaging services and infrastructure
• D. Leverages Central IT to deliver complete point-to-point solutions with master data management

A Scatter-Gather processes a number of separate HTTP requests. Each request returns a Mule event with a JSON payload. What is the final output of the Scatter-Gather?

• A. An Object containing all Mule event Objects
• B. An Array containing all Mule event Objects
• C. None of these
• D. The last Mule event object

What is the use of API Notebooks?

• A. None of these
• B. Test Policies
• C. Test API functions
• D. Test RAML

How is policy defined in terms of classloader of an API?

• A. Classloader isolation does not exist between the application, the runtime and connectors, and policies
• B. Classloader isolation exists between the application, the runtime and connectors, and policies
• C. None of these
• D. Classloader isolation partially exists between the application, the runtime and connectors, and policies

An API specification is designed using RAML. What is the next step to create a REST Connector from this API specification?

• A. Add the specification to a Mule project's src/main/resources/api folder
• B. Implement the API specification using flow designer in Design Center
• C. Download the API specification and build the interface using APIkit
• D. Publish the API specification to Anypoint Exchange

What are the features of CloudHub Fabric?

• A. Non-persistent queue
• B. Horizontal Scaling
• C. VPN Mock Services
• D. None of these

Where are values of query parameters stored in the Mule event by the HTTP Listener?

• A. Payload
• B. Attributes
• C. Inbound Properties
• D. Variables

What is the difference between a subflow and a sync flow?

• A. Sync flow has no error handling of its own and subflow does
• B. Subflow has no error handling of its own and sync flow does
• C. Subflow is synchronous and sync flow is asynchronous
• D. No difference