A system administrator migrated IBM MQ for z/OS from V7.1 to V8.0.
What operation mode allows the system administrator to backward migrate an existing queue manager?
A. OPMODE = (COMPAT, 7.1)
B. OPMODE = (COMPAT, 710)
C. OPMODE = (NEWFUNC, 7.1.0)
D. OPMODE = (NEWFUNC, 800)