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Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine?
A. host naming method
B. local naming method
C. external naming method
D. directory naming method
Answer: B
You want the user APP_DBA to administer the Oracle database from a remote machine. APP_DBA is granted the SYSDBA privilege to perform administrative tasks on the database.
Which file is used by the Oracle database server to authenticate APP_DBA?
A. control file
B. password file
C. listener controller file
D. control file and password file
Answer: B
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