QUESTION 178
RMAN provides more granular catalog security through which feature?
A. Virtual private database
B. Virtual private catalog
C. RMAN virtual database
D. RMAN secure catalog
E. Oracle Database Vault
Answer: B
同187题：http://blog.csdn.net/rlhua/article/details/13169423
Explanation/Reference:
Section: Backup, Recovery & Recovery Manager (RMAN)