What are tasks of the approuter? Note: There are 3 to choose.

You want to create a new service definition in your CAP project. In which folder do you place the service definition .cds file?

You want to register custom event handlers using instances of CAP Node.js SDK classes. Which one do you use?

You have implemented a simple bookshop CAP application for the purpose of selling books. You want to implement an error handler in the bookshop-service, that can be used to react on specific error messages. For all other errors, you want to define a default error message. The error handler should be called during the event.Drag the code snippets from below into the correct parts of the error handler implementation.

You want to use the SAP Cloud Connector to connect an SAP S/4HANA system to the SAP BTP. Where does the SAP Cloud Connector need to be installed?