Choice router finds the FIRST true condition, then distribute the event to the ONE matched route.
MuleSoft Doc Ref : https://docs.mulesoft.com/mule-runtime/4.1/choice-router-concept The Choice router dynamically routes messages through a flow according to a set of DataWeave expressions that evaluate message content. Each expression is associated with a different routing option. The effect is to add conditional processing to a flow, similar to an if/then/else code block in most programming languages.
Only one of the routes in the Choice router executes, meaning that the first expression that evaluates to true triggers that route's execution and the others are not checked. If none of the expressions are true, then the default route executes.

Correct answer is ${training.host}
---------------------------------------------------------------------------------------------------------------------------------------- How to Configure Properties to Mule 4.X Platform?
1) Go to /src/main/resources project directory.
2) Create a configuration file with the name configuration.yaml inside the newly created config folder.
Graphical user interface, application, Word Description automatically generated

3) Go To Project > Global Element > Create > General >select the configuration.yaml file create in step- 2) Graphical user interface, application Description automatically generated

4) To verify develop a simple flow with HTTP listener which has above entries. Put the logger that prints the values on console.
Graphical user interface, application Description automatically generated

5) Additional info: Similarly, when you want to access this port in DataWeave you need to use p function Graphical user interface, text, application, email Description automatically

generated

This is a trcik question. On complete phase pyalod consists of summary of records processed which gives insight on which records failed or passed. Hence option 4 is correct answer MuleSoft Documentation Reference :
https://docs.mulesoft.com/mule-runtime/4.3/batch-processing-concept#on-complete