What components are present in an ASM instance? (Choose three.)
A. SGA
B. Database processes
C. Database datafiles
D. Control files
E. Database parameter file or spfile
Option A is correct because the SGA is allocated when the ASM instance is
started.Option B is correct because the Oracle processes are also started when the
ASM instance is started.Option E is correct because the ASM instance requires either
a parameter file or an spfile.
原文：http://www.cnblogs.com/Babylon/p/7797659.html