Which statement is correct about the PGFIX buffer pool option?

A.
PGFIX(YES) causes a reduction in virtual storage usage in the DBM1 address space.

B.
PGFIX(YES) results in lower CPU usage in the DBM1 address space for I/O intensive buffer
pools.

C.
PGFIX(NO) causes an increase in real storage usage in the DBM1 address space.

D.
PGFIX(NO) results in higher CPU usage in the MSTR address space for I/O intensive buffer
pools.