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Oracle 1Z0-025 Exam Syllabus Topics:

Oracle Backup and Recovery Sample Questions:

1. Why would a DBA load a table using the NOLOGGING options?

A) To reduce redo during a direct loaded operation.
B) To eliminate further backup.
C) To temporarily disable collecting statistics.
D) To specify that the retrieved for this table are placed at the least recently-used end of the buffer cache.

2. Which RECOVER command is appropriate when, while recovering a lost data file, a DBA discovers that a required, archived redo-log is corrupted?

A) RECOVER DATABASE UNTIL MISSING REDOLOG;
B) RECOVER TABLESPACE system UNTIL CANCEL;
C) RECOVER DATABASE USING BACKUP CONTROLFILE;
D) ALTER TABLESPACE system RECOVER;
E) RECOVER DATABASE UNTIL CANCEL;

3. Why is manual archiving not recommended?

A) An operating systems script must be written to copy the online redo-log files.
B) Additional disk resources are required.
C) A DBA must issue an SQL command to archive the online redo-log files.
D) More background processes are required.

4. What are two causes of media failures? (Choose two)

A) The user issues an abnormal interrupt.
B) There is a head crash on the disk containing a database file.
C) There is a logic error in the application.
D) A table is accidentally truncated.
E) A database file is accidentally deleted.
F) The server computer loses power.

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

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

Solutions: