A large corporate client needs to upload thousands of salary payment records directly from their Enterprise Resource Planning (ERP) software to the bank's processing engine every month. The bank provides a secure 'Host-to-Host' connection that allows the two systems to communicate without manual intervention by any bank or corporate employee. Which delivery model does this represent for corporate services?

A senior citizen receives a call from a representative of her bank. The representative offers to visit her home to help her submit her annual Life Certificate for her pension, as she is unable to travel to the branch. The service is part of a common initiative by the Public Sector Banks Alliance. The representative uses a tablet to record her live photo and biometrics at her doorstep. What is this delivery model?

An entrepreneur in a rural village wants to open a small savings account, but the nearest bank branch is 40 kilometers away. He visits a local grocery store owner who has been appointed by a large public sector bank to provide basic services. The store owner uses a small handheld device that reads the entrepreneur's fingerprint linked to a national identity protocol to authenticate the session and deposit 500 rupees into his new account. Which specific delivery model and technology are being utilized in this scenario?