Of the Statements Below, Which Best Describes the Underlying Process

Of the statements below, which best describes the underlying process taken when a user connects to a PowerCenter Repository Service for the first time? For the puposes of this question, the PowerCenter Developer is the only PowerCenter client application running, there are 2 nodes in the domain, node 1 is a gateway node and node 2 is a worker node. The PowerCenter Repository Service is running on the worker node.

A) The user connects directly and immediately to the Repository Service
B) The user connects to the service manager of the gateway node, and after authentication and authorization, is re- Assigned to the Repository Service
C) The user connects to the service manager of the worker node that is running the Repository Service, is then authenticated, authorized, and connected to the PowerCenter Repository Service
D) The user first connects to the PowerCenter Integration Service and then after authentication and authorization, is connected to the PowerCenter Repository Service