Correct answer is A global element
Global error handlers are to be created in global element .
Quick note to remember here is Global error handlers come in to pictureonly when there are no error handlers specified as flow level.
Steps to create Global error handler
1) Click Global Elements to open Global Configuration Elements. Global Elements is located below the Studio canvas
2) In Global Configuration Elements,click Create to open the Choose Global Type dialog Graphical user interface, text, application, chat or text message Description automatically generated

3) From the dialog, select Global Configuration -# Configuration, and then click OK to open the Configuration dialog.
Graphical user interface, text, application, email Description automatically generated

4) From the select Configuration dialog, select allErrorHandler for the Default Error Handler field, and click OK.

MuleSoft Documentation Reference : https://docs.mulesoft.com/db-connector/1.9/database-connector-select

To include property. To keep the API definition concise, you can include external content, such as documentation, schemas, and frequently used patterns outside the definition itself. Theparser interprets !
include as if the content of the externally-hosted file or a URL were declared in-line.
To use the fragments in RAML you have to include the exact path(copy the path) of that fragment you want to use as shown below Option 3 is the correct as correct syntax is examples: !include examples/StudentExample.raml Reference: https://docs.mulesoft.com/api-manager/1.x/tutorial-design-an-api

Correct answer is 8 as events are processed in parallel in case of scatter gather router