Question: In Mission Critical Data (MCData) services, during a 'Group FD communication in-progress emergency group state cancel' procedure, what action is taken by the MCData client in step 2?
Option 1: The MCData client sends a cancellation notification to all group members.
Option 2: The MCData client sets the imminent peril indicator.
Option 3: The MCData client requests acknowledgement from all group members.
Option 4: The MCData client terminates the ongoing communication session.
Explanation: In the context of MCData's 'Group FD communication in-progress emergency group state cancel' procedure, setting the imminent peril indicator by the MCData client in step 2 is crucial. This indicator alerts other users to an urgent situation, ensuring timely awareness and appropriate response. This action highlights the service's design for prioritizing critical communications, especially during emergencies, aligning with the principles of mission-critical data exchange which emphasizes reliability, speed, and situational awareness.