242.You want to create the Recovery Manager (RMAN) Virtual Private Catalog (VPC) to maintain a
separation of responsibilities along with a consolidation of RMAN repository. Which condition must be met
before you create the VPC?
A. A base catalog exists
B. The recovery catalog is empty
C. The base recovery catalog must be dropped
D. A target database is registered in the recovery catalog
Answer: A
答案解析：
参考：http://blog.csdn.net/rlhua/article/details/13169205
在创建VPC时，首先是目录所有者来创建基本目录，故选A。