What is one way an administrator achieves this?

An administrator has been given the requirement to enable MQ queue (Q1) in such a way that APP_A can only put a message on the queue Q1 and Application APP_B can only get a message from queue Q1.

What is one way an administrator achieves this?
A . By creating two separate alias queues with required attributes
B . By controlling access level for queue (Q1) using queue attributes
C . By defining different policies for both applications(APP_A and APP_B) at QMGR level
D . By controlling access at SVRCONN channel used by the applications(APP_A and APP_B) to connect to QMGR

Answer: B