Which symrdf flag and operation allows new devices to be added to a SRDF/A session without suspending the
existing devices?

A.
cons_exempt with the movepair operation

B.
establish with the movepair operation

C.
cons_exempt with the modifygrp operation

D.
establish with the resume operation

Explanation:
https://community.emc.com/thread/113307?start=0&tstart=0