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Oracle Backup and Recovery Sample Questions:

1. What is the function of ARCn in instance recovery?

A) It writes data to the online redo log files.
B) It writes data to the archive log files.
C) The archive process does not take part in instance recovery.
D) It writes dirty buffers from the buffer cache to the data files.
E) It frees resources held by user processes.
F) It synchronizes data file header and control files.

2. What must a DBA do after using NOLOGGING operations on a primary database?

A) Switch log files on the primary database.
B) Manually reapply the changes to the standby database.
C) Make sure the database is the only primary database in the current configuration.
D) Copy all affected data files to the standby server.

3. You are configuring a database for ARCHIVELOG mode. Which two initialization parameters should you use? (Choose two)

A) LOG_ARCHIVE_FORMAT
B) LOG_ARCHIVE_SIZE
C) ARCHIVELOG_MODE
D) LOG_ARCHIVE_DEST
E) LOG_ARCHIVE_INTERVAL

4. The RMAN script is run every Sunday
Run (
Allocate channel c1 type disk
Format='/home/disk1/BACKUP/run_is_ip.bus';
backup incremental level=0 (database);
)
This RMAN script is run everyday of the week, except Sunday
Run (
Allocate channel c1 type disk
Format+ '/home/disk1/user4/BACKUP/inc_is_ip.bus'
Backup incremental level= 1cumulative (database);
)
What do these scripts do?

A) On Sunday, they backup the entire database. On other days of the week, they back up all blocks changed in data file two since the previous backup.
B) On Sunday, they backup the system tablespace. On other days of the week, they backup all blocks changed in data file log since the previous backup.
C) They backup the entire database everyday of the week.
D) On Sunday, they backup the entire database. On other days of the week, they backup all blocks changed since the previous backup.

5. How can a DBA disable one of the current archive destinations?

A) It is not possible to disable archive destinations?
B) Shut down the database and delete the archive destination dictionary at the operating system level.
C) Specify the initialization parameter LOG_ARCHIVE_DEST_STATE_n=DEFER.
D) Issue the command ALTER SESSION SET LOG_ARCHIVE_DEST=DEFER.

Solutions: