单项选择题
You issued the RMAN> SHOW ALL； command. The output of this command is as follows：
After analyzing the output， which conclusion will you draw？（）
A. The backups consist of backup pieces.
B. The datafiles can be multiplexed within the backup.
C. The backups can be stored only on the disk.
D. While performing the backup across a network， the network bandwidth is reduced.
相关考题
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多项选择题
You issued the RMAN>SHOW ALL； command. The output of the command is as follows： After analyzing this output， what conclusion can you draw？ （）
A. If you perform a backup across a network， then the backup will reduce the bandwidth.
B. If you perform a backup of a datafile， then the backup will be the same as the operating system copy of the datafile.
C. If you perform a backup of a single datafile， then the control file will not be backed up.
D. The maximum size of each backup set is 10MB
E. The backups will be performed on the disk. -
单项选择题
You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands： CONFIGURE DEFAULT DEVICE TYPE TO sbt； CONFIGURE BACKUP OPTIMIZATION ON； CONFIGURE RETENTION POLICY TO REDUNDANCY 3； From Monday to Saturday， you performed the following actions： Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed？（）
A. The backup will not be performed at all.
B. three times
C. four times
D. six times -
单项选择题
Youareperformingabackupofyourdatabaseacrossthenetwork.Whiletakingthebackup，youwanttosavespaceonthestoragemediaandreducethenetworkbandwidth.Whichcommandwillyouissuetoconfiguretherequiredtypeofbackup？（）
A. CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO BACKUPSET；
B. CONFIGURE DEVICE TYPE TO disk BACKUP TYPE TO COPY；
C. CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED BACKUPSET；
D. CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED COPY；
