What is the effect of increasing the value of the ASM_POWER_LIMIT parameter?
A.
The number of DBWR processes increases
B.
The number of ASMB processes increases
C.
The number of DBWR_TO_SLAVES increases
D.
The rebalancing operation in an ASM instance completes more quickly, but can result in
higher I/O overhead
D is correct:
https://docs.oracle.com/cd/B28359_01/server.111/b28320/initparams012.htm
ASM_POWER_LIMIT specifies the maximum power on an Automatic Storage Management instance for disk rebalancing. The higher the limit, the faster rebalancing will complete. Lower values will take longer, but consume fewer processing and I/O resources.
D