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Oracle database 10g:Administration I Sample Questions:

1. Which two operations require undo data? (Choose two.)

A) committing a transaction
B) recovering from failed transactions
C) rolling back a transaction
D) recording a transaction to redo log files
E) rolling forward during instance recovery

2. You executed the following command to export the EMPLOYEES table from a remote machine:
$ EXPDP hr/[email protected]
DUMPFILE=my_dir:exp_hr.log
LOGFILE=data_pump_dir:log_hr.log
TABLES=employees
What would be the outcome of this command?

A) The command would execute successfully. But log file would not be created as DATA_PUMP_DIR directory is only accessible to user with SYSDBA privilege.
B) The command fails with an error because no absolute path is specified for log file and dumpfile.
C) The command fails with an error because DATA_PUMP_DIR directory have higher precedence over the per-file directory.
D) The command would execute successfully and the export dump file would be created in the destination of the directory object MY_DIR.

3. You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace, UNDO_TBS1, in your database. Which two additional steps would you perform to achieve this? (Choose two.)

A) Set the UNDO_MANAGEMENT initialization parameter to AUTO.
B) Create an initial undo segment in the undo tablespace.
C) Set the UNDO_TABLESPACE parameter to UNDO_TBS1.
D) Set the UNDO_RETENTION parameter to 900 or more.
E) Enable the retention guarantee for the undo tablespace.

4. View the Exhibit to observe the roles assigned to the SCOTT user.
Which statement is true about the assignment of the SELECT_CATALOG_ROLE role to the SCOTT user?

A) The user can start using the role immediately.
B) The user cannot use the role at all.
C) The user can grant the role to other users.
D) The user needs to enable the role explicitly.

5. Which two statements are true regarding a PL/SQL package body? (Choose two.)

A) It can be changed and recompiled without making the package specification invalid.
B) It can contain only the subprograms defined in the package specification.
C) It cannot invoke subprograms defined in other packages.
D) It cannot be created without a package specification.

Solutions: