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

题目

单选题

Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）

Differential incremental backup

Different incremental backup

Cumulative backup

Cumulative incremental backup

参考答案和解析

正确答案： C

解析：暂无解析

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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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相关问题 2：

Which type of the backup process backs up files that have been modified since the last time all data was backed up?(72 )A.Incremental backupB.Full backupC.Partial backupD.Differential backup

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相关问题 3：

Which of the following archiving methods only backs up data that has changed since the previous full backup?()A. SnapshotB. IncrementalC. CopyD. Differential

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You have enabled backup optimization for the RMAN environment.Identify two criteria on which RMAN will skip the file, if it has already been backed up.（）A、The data file backup is done with multiple channelsB、The data files is in the read-write mode after being backed up in the read only modeC、The backup was taken after the data files was taken offline-normal or is in the read only modeD、The data file backup complies with the back retention policy and the backup duplexing feature

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Which of the following archiving methods only backs up data that has changed since the previous backup？（）A、DifferentialB、CopyC、IncrementalD、Snapshot

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相关问题 6：

Which of the following archiving methods only backs up data that has changed since the previous full backup?（）A、SnapshotB、IncrementalC、CopyD、Differential

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You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）A、A backup of the target database when it is mountedB、A backup of online redo log files when the database is openC、A backup of only used data blocks in the file beingbeingbackup upD、A backup of online， read/write data files when the database is openE、A backup of only those data blocks that have changed since a previous backupF、A backup of online， read/write data files when the database is in the NOMOUNT state.

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OCP 11G认证考试

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

题目

参考答案和解析

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