Explanation:
On the client side, Oracle Net is responsible for the location of the server, protocol involved in the connection and how to handle exceptions and interrupts. Incorrect Answer:
2: Oracle Net does not work directly with the Oracle user being connected.
3: Oracle Net does not work directly with privileges and role information.
Reference:
OCP Oracle 9i Database: Fundamentals II Exam Guide, Rama Velpuri, p. 89-92
Chapter 4: Basic Oracle Net Services Client-Side Configuration

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