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

1. Refer to the exhibit.

The flow name is ''implementation'' with code for the MUnit test case.
When the MUnit test case is executed, what is the expected result?

A) The test throws an error and does not start
B) The test case passes
C) The test case fails with an assertion error
D) The test case fails with an unexpected error type

2. A Flight Management System publishes gate change notification events whenever a flight's arrival gate changes. Other systems, including Baggage Handler System. Inflight Catering System and Passenger Notifications System, must each asynchronously receive the same gate change notification to process the event according.
Which configuration is required in Anypoint MQ to achieve this publish/subscribe model?

A) Publish the gate change notification to an Anypoint MQ exchanhe.
Create different Anypoint MQ queues meant for each of the other subscribing systems.
Bind the exchange with each of the queues.
B) Publish the gate change notification to an Anypoint MC queue
Have each client subscribe directly to the queue
C) Publish each client subscribe directly to the exchange.
Have each client subscribe directly to the queue.
D) Publish the gate change notification to an Anypoint MQ queue.
Create different anypoint MQ exchange meant for each of the other subscribing systems Bind the queue with each of the exchanges

3. When implementing a synchronous API where the event source is an HTTP Listener, a developer needs to return the same correlation ID back to the caller in the HTTP response header.
How can this be achieved?

A) NO action is needed as the correlation ID is returned to the caller in the response header by default
B) Configure a custom correlation policy
C) Enable the CorrelationID checkbox in the HTTP Listener configuration
D) Enable the auto-generate CorrelationID option when scaffolding the flow

4. A Mule application for processing orders must log the order ID for every log message output.
What is a best practice to enrich every log message with the order ID?

A) Use flow variables within every logger processor to log the order ID
B) Create a custom XML SDK component to wrap the logger processor and automatically add the order ID within the connector
C) Use the Tracing module to set logging variables with a Mapped Diagnostic Context
D) Set a flow variable and edit the log4/2.xml file to output the variable as part of the message pattern

5. An API has been built to enable scheduling email provider. The front-end system does very little data entry validation, and problems have started to appear in the email that go to patients. A validate-customer'' flow is added validate the data.
What is he expected behavior of the 'validate-customer'' flow?

A) If only the email address Is invalid a VALIDATION.INVALID_EMAIL error is raised
B) If the appointment date and customer name are invalid, a
SCHEDULE:INVALID_APPOINTMENT_DATE error is raised
C) If all of the values are invalid the last validation error is raised:SCHEDULE:INVALID_CUSTOMER_NAME
D) If the email address is invalid, processing continues to see if the appointment data and customer name are also invalid

Solutions: