053(六十六）

326、

326.Which of the following does the recover command not do? 
A. Restore archived redo logs.
B. Apply archived redo logs.
C. Restore incremental backups.
D. Apply incremental backups.
E. Restore datafile images.

327、

327.You have a database with the following tablespaces: SYSTEM, SYSAUX, UNDO, USERS, TEMP. 
You want to"roll back" the data in the USERS tablespace to the way it looked yesterday. 
Which tablespaces do you need to perform a point-in-time restore operation on in order to complete this task? (Choose all that apply.)
A. SYSTEM
B. SYSAUX
C. UNDO
D. USERS
E. TEMP
F. This restore is not possible.

328、

328.You have backed up your database using image copies. 
You have lost the SYSTEM tablespace and need to restart your database as quickly as possible. What is the correct solution?
A. Restore the SYSTEM tablespace from the last backup set and then recover the database.
B. Restore the SYSTEM tablespace image copy using the restore command and then restore the database.
C. Use the switch datafile command to instantly switch to the datafile copy, recover the tablespace, and open the database.
D. The database is not recoverable in this situation with image copies.
E. Manually copy the datafile image copy to the correct location and then manually restore the database from SQL*Plus.

329、

329.If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT, 
what RMAN command would you run to correct the problem?
A. recover lost blocks;
B. recover corrupt blocks;
C. recover media corrupt blocks from list;
D. recover corrupt blocks from list;
E. recover corruption list;

330、

330.What will be the end result of this set of RMAN commands?
shutdown abort
startup mount
restore datafile 4 until time ,,09/30/2008:15:00:00; 
recover datafile 4 until time ,,09/29/2008:15:00:00;
alter database open resetlogs;
A. Datafile 4 will be recovered until 9/30/2008 at 15:00 and the database will open.
B. The restore command will fail.
C. The recover command will fail.
D. The alter database open resetlogs command will fail.
E. All these commands will fail because they must be in the confines of a run block.