多项选择题
A. Backup compression should be enabled
B. Parallelism for the channel should be set to 2
C. All the files must be backed up as backup sets
D. The backup may be stored either on disk or on media with media manager
多项选择题 Which options would you consider while configuring a flash recovery area (fast recovery area in 11g Release 2) for your production database that is running in ARCHIVELOG mode?（）
多项选择题 To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file?（）
单项选择题 View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation: What is the multiplexing level in the preceding backup process（）