QUESTION 135
You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a
redundancy-based retention policy:
CONFIGURE RETENTION POLICY TO REDUNDANCY 3;
Which statement is true?
A. The command fails because you cannot configure a redundancy-based retention policy when backup
optimization is enabled
B. Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it
determines which datafiles should be backed up
C. Backup optimization is permanently disabled
D. Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
Answer: B
同150题：http://blog.csdn.net/rlhua/article/details/14420463
Explanation/Reference:
Section: Backup, Recovery & Recovery Manager (RMAN)