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.
相关考题
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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； -
单项选择题
You have issued the following command： RMAN>CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 100 DAYS； What will be the result of using the above command？（）
A. The backup metadata will be maintained in the control file for 100 days.
B. The backup metadata will be maintained in the recovery catalog for 100 days.
C. The backup metadata will be maintained in the flash recovery area for 100 days.
D. After 100 days， the backup sets and image copies will be deleted from the media.
