Question: In a 5G NR (New Radio) network, what is the primary purpose of measuring the number of active UEs (User Equipment) per QoS (Quality of Service) level in RRC_CONNECTED state?
Option 1: To optimize handover procedures between different gNBs (next-generation Node Bs)
Option 2: To enhance OAM (Operations, Administration, and Maintenance) performance observability and support SON (Self-Organizing Network) functions like mobility load balancing
Option 3: To directly calculate the precise bitrate for individual UEs in idle mode
Option 4: To prioritize signaling traffic over data traffic for all active UEs
Explanation: Measuring active UEs per QoS level is crucial for network operators to monitor performance (OAM) and make informed decisions for self-organizing network functions, such as balancing mobility loads to ensure efficient network operation. This aligns with the objective of enhancing network management and automation, rather than focusing on handovers, individual UE bitrate calculations in idle mode, or traffic prioritization as described in the other options.