Question: What is the purpose of the Presence Reporting Area Identifier (PRA ID) in a 5G network?
Option 1: To identify a specific User Equipment (UE) device.
Option 2: To authenticate UE access to the network.
Option 3: To prioritize traffic for Quality of Service (QoS).
Option 4: To report changes of UE presence in a Presence Reporting Area (PRA) for policy control or charging decisions.
Explanation: The PRA ID is used to identify a Presence Reporting Area (PRA), which can be used for reporting changes of UE presence in a PRA, e.g. for policy control or charging decisions. This allows the network to make informed decisions about how to handle UE traffic and apply policies accordingly.