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单选题
Which of the following archiving methods only backs up data that has changed since the previous backup？（）
A
Differential
B
Copy
C
Incremental
D
Snapshot
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单选题Which of the following archiving methods only backs up data that has changed since the previous full backup?（）A
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单选题Which of the following archiving methods only backs up data that has changed since the previous full backup？（）A
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单选题The System Administrator wants to do a backup of the HMC and notices that there are two options on the HMC menu: Backup Critical Console data and Save Upgrade Data. Which of the following best describes the differences between the two options?（）A
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单选题Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）A
Differential incremental backupB
Different incremental backupC
Cumulative backupD
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单选题A company has 100GB of data that needs to be automatically backed up daily, and needs to be stored for 20 years. Which of the following backup media is the BEST solution for archiving the server data?（）A
TapeB
SANC
FlashD
Optical
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单选题You issued the following commands to configure setting in RMAN; Then you issued the following command to take the backup: RMAN BACKUP DATABASE PLUS ARCHIVELOG; Which statement is true about the execution of the above command?（）A
The backup will terminate because the FORMAT clause was not configured for the channelB
It backs up two copies of data files to tape and disk, and two copies of archived log file on tapeC
It backs up the data files and archived log files to disk, making two copies of each data file and archived log fileD
It backs up the data files and archived log files to tape, making two copies of each data file and archived log file
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单选题Which of the following is the BEST recovery method for a server that only aggregates report data and stores data on separate servers？（）A
FullB
Disk imagingC
IncrementalD
Tape backup
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单选题Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）A
Differential incremental backupB
Different incremental backup C
Cumulative backup D
Cumulative incremental backup
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