A multi-instance broker BRK1 associated the multi-instance queue manager QM1 is running in active
mode on client node N1 and in standby mode on client node N2. In order to update a Fix Pack, a
system administrator needs to make a controlled failover from the node N1 to the node N2. Which
command does the system administrator needs to execute to start the controlled failover process?

A.
endmqm -s QM1 on node N1

B.
endmqm -s QM1 on node N2

C.
mqsistop BRK1 on node N1

D.
mqsistop BRK1 on node N2