Question: For GERAN (GSM/EDGE Radio Access Network) only terminals, as per 3GPP specifications from Release 5 onwards, what type of card is mandated for support?
Option 1: USIM (Universal Subscriber Identity Module)
Option 2: SIM (Subscriber Identity Module)
Option 3: Both USIM and SIM are equally mandatory
Option 4: Neither USIM nor SIM is required
Explanation: As per the specifications, from Release 5 onwards, terminals that only support GERAN are required to support USIM. This ensures compatibility with newer network features and security enhancements introduced in Release 5 and later, though SIM support is also recommended until its market share diminishes.