78. You observe that the senior database administrator always uses th
e following command when connecting to Recovery Manager (RMAN), and t
hen starts executing commands to backup the database files: % rman ta
rget / . What would be the effect of this command?
A. RMAN would use the current operating system location to place the
backup.
B. RMAN would use the control file of the target database to maintain
the backup.
C. RMAN would use the recovery catalog of the target database to main
tain the backup.
D. RMAN would use the control file of the target database to maintain
the backup metadata.
E. RMAN would use the recovery catalog of the target database to main
tain the backup metadata.
Answer: D
这种方式是用的控制文件,非catalog 保留的备份元素rman target / 是连接了 target DB并进入了rman环境，这时还可以连接 catalog DB
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