Question: In a Multimedia Broadcast/Multicast Service (MBMS) architecture, where is the subscription information, which enables a user to receive MBMS multicast services, primarily recorded?
Option 1: User Equipment (UE)
Option 2: Evolved Node B (eNodeB)
Option 3: Broadcast Multicast Service Centre (BM-SC)
Option 4: Mobile Management Entity (MME)
Explanation: The correct answer is the Broadcast Multicast Service Centre (BM-SC) because, according to MBMS architecture, it is responsible for managing service-related functionalities, including storing subscription information that allows users to receive multicast services. This centralized management enables efficient service delivery and access control.