A.1,2,3 
B.2,3,1 
C.3,2,1 
D.There is no precedence between RUN and the RMAN prompt. Each will override CONFIGURE in the session. 

A.The listener hands the connection request directly to a dispatcher. 
B.A dedicated server inherits the connection request from the listener. 
C.The client connects to a dedicated server directly using a protocol address provided by the listener. 
D.The application initiating the session spawns a dedicated server process for the connection request. 
E.The listener issues a redirect message to the client, containing the protocol address of a dispatcher. The client then terminates the network session to the listener and establishes a network session to the dispatcher, using the network address provided in the redirect message.