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Oracle Backup and Recovery Sample Questions:

1. You have been informed that the ORDER table was dropped two days ago. It is unwise to
perform an incomplete recovery of this database; therefore, your only option is to
perform tablespace point-in-time recovery.
What are two ways this can be done in Oracle8i?

A) Create and recover a clone database and export the primary database into this new database.
B) Create and recover a clone database, export the table from the clone database, then import it into the primary database.
C) Recover only the files for the tablespace that contains the ORDER table.
D) Create and recover the database on another machine and use the transportable tablespace option.

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

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

3. In which situation would you need to create a new control file for an existing database?

A) When all archived redo-log files are lost.
B) When MAXLOGMEMBERS needs to be changed.
C) When the name of the recovery catalog file needs to be changed.
D) When ARCHIVE_LOG_START needs to be changed.

4. You are restoring a backup data file to a different location. To recover successfully, what must you do?

A) Update the initialization parameter file.
B) You cannot do this. Data files should always be restored to their original location.
C) Use the ALTER DATABASE command to rename the data file.
D) Use the ALTER SYSTEM command to rename the datafile.

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

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

Solutions: