Question: In an Isolated Operation for Public Safety (IOPS) mode, what is the primary purpose of the MCData-IOPS-2 reference point between the IOPS MC connectivity function and the MCData client?
Option 1: To establish dedicated voice channels for emergency services
Option 2: For the management of unicast data transmissions in IOPS mode
Option 3: To facilitate handovers between different IOPS networks
Option 4: To communicate signaling related to MBMS bearers for multicast transmissions
Explanation: The MCData-IOPS-2 reference point is utilized for communicating signaling related to Multimedia Broadcast Multicast Service (MBMS) bearers, crucial in IOPS for managing multicast transmissions like public safety announcements or emergency alerts sent to multiple recipients via MBMS bearers.