In your database, the flash recovery area (FRA) is configured as the default for RMAN backups.
You executed the following commands to configure the settings in RMAN:
Which statement is true about the outcome?
A.
Only one channel is allocated and the backup is created in the flash recovery area
B.
Only one channel is allocated and the backup is created in the destination specified for channel
1
C.
Two channels are allocated and backup sets are created in the destinations specified for
channels 1 and 2
D.
Three channels are allocated and backup sets are created in the destinations specified for
channels 1, 2, and FRA
Explanation:
http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/setup004.htm#i1017890
Configuring Disk Devices and Channels:
RMAN channels (connections to server sessions on the target database) perform all RMAN tasks.
By default, RMAN allocates one disk channel for all operations. The following command
configures RMAN to write disk backups to the /backup directory (refer to “Backing Up Database
Files and Archived Logs with RMAN”).:
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT ‘/backup/ora_df%t_s%s_s%p’;
The format specifier %t is replaced with a four byte time stamp, %s with the backup set number,
and %p with the backup piece number.
You can also configure an Automatic Storage Management disk group as your destination, as in
the following example:
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT ‘+dgroup1’;
You can override automatic channel allocation settings by manually allocating channels within a RUN block. You cannot mix automatic and manual channels, so manual channels always override automatic channels. For example, you override automatic channel allocation when you issue a command as follows:
RUN
{
ALLOCATE CHANNEL c1 DEVICE TYPE sbt;
BACKUP DATABASE PLUS ARCHIVELOG;
}