Question: What is the primary purpose of the Namf_MT_EnableGroupReachability service operation in the 5G System (5GS)?
Option 1: To request dedicated bearer resources for a group of UEs.
Option 2: To retrieve the list of available NF Service Consumers.
Option 3: To request paging towards a group of UEs.
Option 4: To update the UE's location in the network.
Explanation: The Namf_MT_EnableGroupReachability service operation is used by the NF Service Consumer to request paging towards a group of UEs, as specified in the description. This is essential for multicast-broadcast services (MBS) in 5G networks, allowing the network to efficiently manage and deliver content to multiple users simultaneously.