Question: In a 5G System utilizing IPv6 address allocation via DHCPv6 for a PDU Session, what determines the maximum size of the prefix that may be allocated?
Option 1: UE's (User Equipment) Capability
Option 2: FN-RG's (Fixed Network-Router Gateway) Configuration
Option 3: The Size of the DHCPv6 Message
Option 4: SMF's (Session Management Function) Decision based on Subscription Data and Local Configuration
Explanation: In the context of wireless and wireline convergence access support for the 5G System, the Session Management Function (SMF) plays a crucial role in managing sessions, including IPv6 address allocation. Specifically, for DHCPv6 allocations, the SMF is responsible for determining the maximum prefix size based on the user's subscription data and the network's local configuration settings.