Question: In a Stand-alone Non-Public Network (SNPN), how can an AMF Set FQDN be constructed if the Network Identifier (NID) is used instead of an SNPN domain name, considering MCC 123 and MNC with only 2 significant digits (e.g., 45)?
Option 1: set<AMF Set Id>.region<AMF Region Id>.amfset.5gc.nid<NID>.mcc123.mnc045.3gppnetwork.net
Option 2: set<AMF Set Id>.region<AMF Region Id>.amfset.5gc.nid<NID>.mnc045.mcc123.3gppnetwork.org
Option 3: set<AMF Set Id>.region<AMF Region Id>.snpn.<NID>.mnc045.mcc123.3gppnetwork.org
Option 4: set<AMF Set Id>.region<AMF Region Id>.amfset.5gc.nid<NID>.mcc123.mnc45.3gppnetwork.io
Explanation: According to the specifications for constructing an AMF Set FQDN in a Stand-alone Non-Public Network (SNPN) when using the Network Identifier (NID), the correct format includes the NID in hexadecimal, followed by the MNC (with leading zeros if necessary to fill 3 digits), then the MCC (always 3 digits), and finally the domain ".3gppnetwork.org". The MNC must be padded with a leading zero since it has only 2 significant digits (e.g., "45" becomes "045"), and the order of elements is crucial, placing the MNC before the MCC as per the given paragraph's construction rules.