98. The ORCL database is configured to support shared server mode. you want to ensure that a user connecting remotely to the database instance a one-to-one ratio between client and server processes. Which connection method guarantees that this requirement is met?

A、
A、 connecting by using a directory naming method
B、
B、 creating a service in the database by the DBMS_SERVIC
E、CREATE_SERVICE procedure and using this service for creating a local naming service
C、
C、 connecting by using the easy connect method
D、
D、 connecting by using the local naming method with the server=dedicated parameter set in the tnsnames.ora file for the net service
E、
E、 connecting by using an external naming method