ocp-49

QUESTION NO: 49
You perform a backup using the following BACKUP command:
RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE;
Which statement is true of this command?
A. A different procedure is required to restore a database from compressed backups
B. The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create
compressed backup sets and image copies.
C. Using this command to create backups minimizes the bandwidth consumed
D. Using this command to create backups improves the performance of the backup process
Answer: C

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压缩备份集数据库备份;
RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE;
关于这个命令下面，哪一个正确？

C.使用此命令创建备份，最大限度地减少消耗的带宽

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