Question: What is the primary purpose of the Extended UE Identity Index Value Information Element (IE) in the context of E-UTRAN?
Option 1: To authenticate User Equipment (UE) during initial attach procedures.
Option 2: To prioritize Quality of Service (QoS) for UE with high-priority communications.
Option 3: To manage mobility and handover decisions between eNBs.
Option 4: To calculate the paging resources for a UE in idle mode.
Explanation: The Extended UE Identity Index Value IE is utilized by the evolved Node Base (eNB) to determine the appropriate paging resources for a User Equipment (UE) in an idle state, ensuring efficient network resource management and minimizing unnecessary UE wake-ups.