The question "How do you feel？" seems to be correct and suitable when asked of ______.A．a

, a big filetablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each.Which method would accomplish the task quickly and efficiently？（）

A. parallel image copy backup

B. backup with MAXPIECESIZE configured for the channel

C. parallel backup with MAXPIECESIZE configured for the channel

D. intrafile parallel backup

nd to put the database in backup mode:SQL> ALTER TABLESPACE users BEGIN BACKUP;While copying the file to the backup destination a power outage caused the instance to terminate abnormally.Which statement is true about the next database startup and the USERS tablespace？（）

A. The database will open, and the tablespace automatically comes out of the backup mode

B. The database will be mounted, and recovery must be performed on the USERS tablespace.

C. The database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.

D. The database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.

of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command:RMAN> BACKUPSECTION SIZE 300M TABLESPACE users;Identify the appropriate configuration to accomplish faster and optimized backups using the above command.（）

A. The SBT channel must be configured, with the MAXPIECESIZE set to 300 mb.

B. The SBT channel must be configured, with the parallelism setting for the SBT devices set to 3.

C. The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.

D. The SBT channel must be configured, with the default parallelism setting for the SBT devices set to 1

A. Backup compression should be enabled

B. Parallelism for the channel should be set to 2

C. All the files must be backed up as backup sets

D. The backup may be stored either on disk or on media with media manager

A. Backup compression should be enabled

B. Parallelism for the channel should be set to 2

C. All the files must be backed up as backup sets

D. The backup may be stored either on disk or on media with media manager

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database

EVER option. After some days, you want to change the status of the database backup and you issued the following command:RMAN>CHANGE BACKUPSET 231 NOKEEP;What is the implication of this command？（）

A. The backup is deleted.

B. The backup is marked unavailable.

C. The backup overrides the backup retention policy.

D. the backup becomes eligible for deletion according to the existing retention policy

re that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent.Which type of backup should you perform？（）

A. standard backup set

B. image copy

C. compressed backup

D. user-managed backup

l. You want to give a new employee named Maria the ability to back up files, share resources, and install programs on a client computer that she shares with other users. You do not want Maria to be able to read other users' files.

What should you do to accomplish these goals？ (Choose all that apply)

A．Add Maria's user account to the System group.

B．Add Maria's user account to the Interactive group.

C．Add Maria's user account to the Power Users group.

D．Add Maria's user account to the Administrators group.

E．Add Maria's user account to the Backup Operators group.