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MuleSoft MCD-Level-2 Exam Syllabus Topics:

MuleSoft Certified Developer - Level 2 (Mule 4) Sample Questions:

1. The Center for Enablement team published a common application as a reusable module to the central Nexus repository.
How can the common application be included in all API implementations?

A) Add a Maven dependency in the PCM file with multiple-plugin as <classifier>
B) Download the common application from Naxus and copy it to the src/main/resources folder in the API
C) Copy the common application's source XML file and out it in a new flow file in the src/main/mule folder
D) Add a Maven dependency in the POM file with jar as <classifier>

2. A Mule application deployed to a standardalone Mule runtime uses VM queues to publish messages to be consumed asynchronously by another flow.
In the case of a system failure, what will happen to in-flight messages in the VM queues that have been consumed?

A) For nay type of queue, the message will be processed after the system comes online
B) For persistent queues, the message will be processed after the system comes online
C) For transient queues, the message will be processed after the system comes online
D) For any type of queue, the message will be lost

3. A mule application exposes and API for creating payments. An Operations team wants to ensure that the Payment API is up and running at all times in production.
Which approach should be used to test that the payment API is working in production?

A) Monitor the Payment API directly sending real customer payment data
B) Create a health check endpoint that reuses the same port number and HTTP Listener configuration as the API itself
C) Configure the application to send health data to an external system
D) Create a health check endpoint that listens on a separate port and uses a separate HTTP Listener configuration from the API

4. A developer has created the first version of an API designed for business partners to work commodity prices.
What should developer do to allow more than one major version of the same API to be exposed by the implementation?

A) In Design Center, open the RAML and modify baseUn to include a variable that indicates the version number
B) In Anypoint Studio, generate scaffolding from the RAML, and the modify the <http:listerner> in the generated flows to include a parameter to replace the version number
C) In Design Center, open the RAML and modify each operation to include the major version number
D) In Anypoint Studio, generate scaffolding from the RAML, and then modify the flow names generated by APIKit to include a variable with the major version number

5. Which pattern should be used to invoke multiple HTTP APIs in parallel and roll back failed requests in sequence?

A) A database as a transactional outbox and an Until Successful router to retry any requests
B) A Parallel for Each scope with each HTTP request wrapped in a Try scope
C) VM queues as a reliability pattern with error handlers to roll back any requests
D) Scatter-Gather as central Saga orchestrator for all API request with compensating actions for failing routes

Solutions: