Hallo Expert,
I have some issue regarding to understanding PI XI thema and how is possible.
I have seen something already configuration in ESR (Enterprise Service Repository) as such.
Following xxx-Scenario have two Interface :
Service Interface
In Inbound Interface have following Configuration - Asynchronous Mode, Request Message is External Message and Operation Mode same as Inbound Interface name.

In Outbound Interface have following Configuration - Asynchronous Mode, Request Message is External Message and Operation Mode same as Inbound Interface my first Question here - How possible in Outbound Interface make Operation Mode as Inbound Interface ?

Operation Mapping.
I have seen in Operation following Configuration - Request and Response tab, but here both Interface is Asynchronous Mode.


My Question is how possible in Asynchronous Mode both Request and Response tab.
I am new in SAP XI-PI. I am not understand above already Configuration in system.
Please give some response of my Question .
Thanks