Question: In the context of Lawful Interception (LI) for MBMS services, as per 3GPP security standards, what is the primary purpose of the Correlation Number assigned to a target?
Option 1: To uniquely identify a User Equipment (UE) across all mobile networks.
Option 2: To encrypt intercepted data for secure transmission over the Handover Interface (HI2).
Option 3: To correlate different Intercept Related Information (IRI) records within one MBMS service and session.
Option 4: To prioritize interception requests based on the target's service subscription level.
Explanation: The Correlation Number is specifically designed to facilitate the correlation of various IRI records that pertain to a single MBMS service and session for a targeted intercept, ensuring all relevant data can be accurately linked and analyzed for effective lawful interception in MBMS services.