Question: In a Lawful Interception (LI) scenario for Periodic Location Provision, what is the primary mechanism by which the LI LCS Client obtains location updates at specified intervals?
Option 1: Receiving unsolicited Location Reports from the UE: User Equipment
Option 2: Sending a single Location Request with an embedded periodicity parameter
Option 3: Utilizing a push mechanism from the Location Server without request
Option 4: Issuing a series of Location Immediate Requests (LIR) at required time intervals
Explanation: This is correct because, according to the specified behavior for Periodic Location Provision in Lawful Interception, the LI LCS Client must proactively request location updates at defined intervals. This is achieved by issuing multiple Location Immediate Requests (LIR) as needed, allowing for controlled periodicity of location reporting. This approach ensures that location information is gathered and forwarded to designated authorities in a timely and regulated manner, aligning with lawful interception requirements.