You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup， you issued the following RMAN command： RMAN>BACKUP SECTION SIZE 300M TABLESPACE users； What configuration should be effected to accomplish faster and optimized backups by using the above command？（）A. The SBT channel must be configured， with the default parallelism setting for the SBT device set to 1B. The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0C. The SBT channel must be configured， with the parallelism setting for the SBT device set to 3D. The SBT channel must be configured， with the MAXPIECESIZE set to 300 MB

单项选择题

You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup， you issued the following RMAN command：
RMAN>BACKUP SECTION SIZE 300M TABLESPACE users；
What configuration should be effected to accomplish faster and optimized backups by using the above command？（）

A. The SBT channel must be configured， with the default parallelism setting for the SBT device set to 1
B. The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0
C. The SBT channel must be configured， with the parallelism setting for the SBT device set to 3
D. The SBT channel must be configured， with the MAXPIECESIZE set to 300 MB

1Z0-053