单项选择题

Which type of backup must be performed first with an incremental backup？（）

A. Level 1
B. Level 0
C. Level 2
D. Level 3

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

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

A. Differential incremental backup
B. Different incremental backup
C. Cumulative backup
D. Cumulative incremental backup

单项选择题

Which is the correct command to back up the database， back up the archived redo logs， and then remove the backed-up archived redo logs？（）

A. backup database
B. backup database and archivelogs
C. backup database plus archivelogs
D. backup database plus archivelog delete input
E. backup database and archivelog delete input

单项选择题

Compressed backups work with which of the following commands？（）

A. copy as backup
B. backup as copy
C. backup
D. copy