Which step do you&#8

Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in iSQL*Plus？（）

• AThe user must be granted the database administrator （DBA） privilege.
• BThe user must be listed in the password file for the authentication.
• CNo special setup is needed for the user to connect as SYSDBA in iSQL*Plus.
• DSet up a user in the Oracle Application Server Containers for J2EE （OC4J） user manager，and grant the webDba role to the user.