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Oracle Backup and Recovery Sample Questions:

1. Which option is used in the parameter file to detect corruptions in an Oracle data block?

A) VALIDITY_STRUCTURE
B) DBMS_REPAIR
C) DBVERIFY
D) DB_BLOCK_CHECKING

2. Which statement about an open database backup is NOT true?

A) The database must be available in ARCHIVELOG mode.
B) An operating system backup of the database files is required.
C) All the database files copied are consistent to a point-in-time.
D) The database is available for use during backups.

3. When starting up the database you find that an inactive, unarchieved redo-log group is corrupted. What should you do?

A) RECOVER DATABASE UNTIL CANCEL;
B) ALTER DATABASE CLEAR UNARCHIEVED LOGFILE GROUP 1;
C) RECOVER REDOLOG GROUP 1;
D) RECOVER DATABASE UNTIL TIME '1999-09-15:11:23:0';
E) ALTER DATABASE
RECOVER REDOLOG;

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) On Sunday, they backup the entire database. On other days of the week, they backup all blocks changed since the previous backup.
D) They backup the entire database everyday of the week.

5. Your daily report indicating which data files need to be backed up has been misplaced. Which recovery manager command returns a report containing the files in the USER_DATA tablespace that have not been backed up within the last three days?

A) Rman>report backup day 3 tablespace user_data; C.Rman>catalog backup day 3 tablespace user_data;
B) Rman>report need backup day 3 tablespace user_data;
C) Rman> list backup day 3 tablespace user_data;

Solutions: