Queue manager QMA had previously been configured to disable the publish/subscribe broker.
Now, the administrator has been asked to turn on the native publish/subscribe engine. The
administrator can accomplish this task by executing the following command:

A.
strmqbrk m QMA

B.
ALTER QMGR PSMODE(ENABLED)

C.
START SERVICE(SYSTEM.BROKER)

D.
ALTER BROKER PSMODE(ENABLED)