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Oracle Database 12c 1z0-063 Release Date

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Total 276 questions

Oracle Database 12c: Advanced Administration Questions and Answers

Question 25

Your database is running in ARCHIVELOG mode. Examine the initialization parameters you plan to set for your database instance.

LOG_ARCHIVE_DEST_1 = 'LOCATION=/disk1/arch'

LOG_ARCHIVE_DEST_2 = 'L0CATI0N=/disk2/3rch'

LOG_ARCHIVE_DEST_3 = 'LOCATION=/disk3/arch'

L0G_ARCHIVE_DEST_4 = 'L0CATI0N=/disk4/3rch MANDATORY'

Identify the statement that correctly describes these settings.

Options:

A.

An online redo log file is not allowed to be overwritten if the archived log file cannot be created in any of the LOG_ARCHIVE_DEST_.n destinations.

B.

Optional destinations cannot use the fast recovery area.

C.

An online redo log file is not allowed to be overwritten if the archived log file cannot be created in the location specified for LOG_ARCHIVE_DEST_4.

D.

These settings work only if LOG__ARCHIVE_MIN_SUCCEED_DEST is set to a value of 4.

Question 26

You use RMAN with a recovery catalog to back up your database. The backups and the archived redo log files are backed up to media daily. Because of a media failure, the entire database along with the recovery catalog database is lost.

Examine the steps required to recover the database:

1. Restore an autobackup of the server parameter file.

2. Restore the control file.

3. Start up the database instance in NOMOUNT state.

4. Mount the database.

5. Restore the data files.

6. Open the database with the RESETLOGS option.

7. Recover the data files.

8. Set DBID for the database.

Identify the required steps in the correct order.

Options:

A.

1, 8, 3, 2, 4, 5, 7, 6

B.

8, 1, 3, 2, 4, 5, 7, 6

C.

1, 3, 2, 4, 8, 5, 6, 7

D.

8, 3, 2, 4, 5, 7, 6

E.

8, 1, 3, 2, 4, 5, 6

Question 27

You accidentally drop the CUSTOMERS table, and then recover it by using the FLASHBACK TABLE command.

Which two statements are true about the dependent objects of the CUSTOMERS table? (Choose two.)

Options:

A.

Only the primary key constraint created for the table is flashed back, whereas all other indexes must be retrieved separately.

B.

All the constraints defined on the table, except the referential integrity constraints, are flashed back.

C.

All the triggers associated with the table are flashed back but are disabled.

D.

Materialized views that use the CUSTOMERS table are flashed back.

E.

LOB segments associated with the CUSTOMERS table are flashed back.

Question 28

Users report this error message when inserting rows into the orders table:

ERROR at line1:

ORA-01654f:unable to extend index USERS.ORDERS_IND by 8 in tablespace INDEXES

You determine that the indexes tablespace is out of space and there is no free space on the filesystem used by the Oracle database.

Which two must you do to fix this problem without affecting currently executing queries? (Choose two.)

Options:

A.

drop and re-create the index

B.

coalesce the order.ind index

C.

coalesce the indexes tablespace

D.

perform an on line table rebuild using dbms_redefinition

E.

rebuild the index online moving it to another tablespace that has enough free space for the index

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Total 276 questions