You issued the RMAN> SHOW ALL; command. The output of this command is as follows:   After analyzing the output, which conclusion will you draw?()
A: The backups consist of backup pieces.
B: The datafiles can be multiplexed within the backup.
C: The backups can be stored only on the disk.
D: While performing the backup across a network, the network bandwidth is reduced.
出自:Oracle认证