A. ORBn
B. OSMB
C. RBAL
D. ASMn
答案：（C）
解析：
|
RBAL |
ASM Rebalance Master Process |
Coordinates rebalance activity |
In an ASM instance,it coordinates rebalance activity for disk groups.In a database instances,it manages ASM disk groups. |
ARBn, ASM rebalance process